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!--------------------------------------------------------------------------------------------------
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!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Franz Roters, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Christoph Kords, Max-Planck-Institut für Eisenforschung GmbH
!> @author Chen Zhang, Michigan State University
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!> @brief crystallite state integration functions and reporting of results
!--------------------------------------------------------------------------------------------------
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module crystallite
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use prec
use IO
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use HDF5_utilities
use DAMASK_interface
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use config
use rotations
use math
use FEsolving
use material
use constitutive
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use discretization
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use lattice
use results
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implicit none
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private
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real ( pReal ) , dimension ( : , : , : ) , allocatable , public :: &
crystallite_dt !< requested time increment of each grain
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real ( pReal ) , dimension ( : , : , : ) , allocatable :: &
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crystallite_subdt , & !< substepped time increment of each grain
crystallite_subFrac , & !< already calculated fraction of increment
crystallite_subStep !< size of next integration step
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type ( rotation ) , dimension ( : , : , : ) , allocatable :: &
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crystallite_orientation !< current orientation
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real ( pReal ) , dimension ( : , : , : , : , : ) , allocatable , public , protected :: &
crystallite_Fe , & !< current "elastic" def grad (end of converged time step)
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crystallite_P , & !< 1st Piola-Kirchhoff stress per grain
crystallite_S0 , & !< 2nd Piola-Kirchhoff stress vector at start of FE inc
crystallite_Fp0 , & !< plastic def grad at start of FE inc
crystallite_Fi0 , & !< intermediate def grad at start of FE inc
crystallite_F0 , & !< def grad at start of FE inc
crystallite_Lp0 , & !< plastic velocitiy grad at start of FE inc
crystallite_Li0 !< intermediate velocitiy grad at start of FE inc
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real ( pReal ) , dimension ( : , : , : , : , : ) , allocatable , public :: &
crystallite_S , & !< current 2nd Piola-Kirchhoff stress vector (end of converged time step)
crystallite_partionedS0 , & !< 2nd Piola-Kirchhoff stress vector at start of homog inc
crystallite_Fp , & !< current plastic def grad (end of converged time step)
crystallite_partionedFp0 , & !< plastic def grad at start of homog inc
crystallite_Fi , & !< current intermediate def grad (end of converged time step)
crystallite_partionedFi0 , & !< intermediate def grad at start of homog inc
crystallite_partionedF , & !< def grad to be reached at end of homog inc
crystallite_partionedF0 , & !< def grad at start of homog inc
crystallite_Lp , & !< current plastic velocitiy grad (end of converged time step)
crystallite_partionedLp0 , & !< plastic velocity grad at start of homog inc
crystallite_Li , & !< current intermediate velocitiy grad (end of converged time step)
crystallite_partionedLi0 !< intermediate velocity grad at start of homog inc
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real ( pReal ) , dimension ( : , : , : , : , : ) , allocatable :: &
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crystallite_subFp0 , & !< plastic def grad at start of crystallite inc
crystallite_subFi0 , & !< intermediate def grad at start of crystallite inc
crystallite_subF , & !< def grad to be reached at end of crystallite inc
crystallite_subF0 , & !< def grad at start of crystallite inc
crystallite_subLp0 , & !< plastic velocity grad at start of crystallite inc
crystallite_subLi0 !< intermediate velocity grad at start of crystallite inc
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real ( pReal ) , dimension ( : , : , : , : , : , : , : ) , allocatable , public , protected :: &
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crystallite_dPdF !< current individual dPdF per grain (end of converged time step)
logical , dimension ( : , : , : ) , allocatable , public :: &
crystallite_requested !< used by upper level (homogenization) to request crystallite calculation
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logical , dimension ( : , : , : ) , allocatable :: &
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crystallite_converged !< convergence flag
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type :: tOutput !< new requested output (per phase)
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character ( len = pStringLen ) , allocatable , dimension ( : ) :: &
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label
end type tOutput
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type ( tOutput ) , allocatable , dimension ( : ) :: output_constituent
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type :: tNumerics
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integer :: &
iJacoLpresiduum , & !< frequency of Jacobian update of residuum in Lp
nState , & !< state loop limit
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nStress !< stress loop limit
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character ( len = : ) , allocatable :: &
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integrator !< integration scheme
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real ( pReal ) :: &
subStepMinCryst , & !< minimum (relative) size of sub-step allowed during cutback
subStepSizeCryst , & !< size of first substep when cutback
subStepSizeLp , & !< size of first substep when cutback in Lp calculation
subStepSizeLi , & !< size of first substep when cutback in Li calculation
stepIncreaseCryst , & !< increase of next substep size when previous substep converged
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rtol_crystalliteState , & !< relative tolerance in state loop
rtol_crystalliteStress , & !< relative tolerance in stress loop
atol_crystalliteStress !< absolute tolerance in stress loop
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end type tNumerics
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type ( tNumerics ) :: num ! numerics parameters. Better name?
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type :: tDebugOptions
logical :: &
basic , &
extensive , &
selective
integer :: &
element , &
ip , &
grain
end type tDebugOptions
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type ( tDebugOptions ) :: debugCrystallite
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procedure ( integrateStateFPI ) , pointer :: integrateState
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public :: &
crystallite_init , &
crystallite_stress , &
crystallite_stressTangent , &
crystallite_orientations , &
crystallite_push33ToRef , &
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crystallite_results , &
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crystallite_restartWrite , &
crystallite_restartRead , &
crystallite_forward
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contains
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!--------------------------------------------------------------------------------------------------
!> @brief allocates and initialize per grain variables
!--------------------------------------------------------------------------------------------------
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subroutine crystallite_init
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logical , dimension ( discretization_nIP , discretization_nElem ) :: devNull
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integer :: &
c , & !< counter in integration point component loop
i , & !< counter in integration point loop
e , & !< counter in element loop
cMax , & !< maximum number of integration point components
iMax , & !< maximum number of integration points
eMax , & !< maximum number of elements
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myNcomponents !< number of components at current IP
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class ( tNode ) , pointer :: &
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num_crystallite , &
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debug_crystallite , & ! pointer to debug options for crystallite
phases , &
phase , &
generic_param
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write ( 6 , '(/,a)' ) ' <<<+- crystallite init -+>>>'
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debug_crystallite = > debug_root % get ( 'crystallite' , defaultVal = emptyList )
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debugCrystallite % basic = debug_crystallite % contains ( 'basic' )
debugCrystallite % extensive = debug_crystallite % contains ( 'extensive' )
debugCrystallite % selective = debug_crystallite % contains ( 'selective' )
debugCrystallite % element = debug_root % get_asInt ( 'element' , defaultVal = 1 )
debugCrystallite % ip = debug_root % get_asInt ( 'integrationpoint' , defaultVal = 1 )
debugCrystallite % grain = debug_root % get_asInt ( 'grain' , defaultVal = 1 )
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cMax = homogenization_maxNgrains
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iMax = discretization_nIP
eMax = discretization_nElem
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allocate ( crystallite_partionedF ( 3 , 3 , cMax , iMax , eMax ) , source = 0.0_pReal )
allocate ( crystallite_S0 , &
crystallite_F0 , crystallite_Fi0 , crystallite_Fp0 , &
crystallite_Li0 , crystallite_Lp0 , &
crystallite_partionedS0 , &
crystallite_partionedF0 , crystallite_partionedFp0 , crystallite_partionedFi0 , &
crystallite_partionedLp0 , crystallite_partionedLi0 , &
crystallite_S , crystallite_P , &
crystallite_Fe , crystallite_Fi , crystallite_Fp , &
crystallite_Li , crystallite_Lp , &
crystallite_subF , crystallite_subF0 , &
crystallite_subFp0 , crystallite_subFi0 , &
crystallite_subLi0 , crystallite_subLp0 , &
source = crystallite_partionedF )
allocate ( crystallite_dPdF ( 3 , 3 , 3 , 3 , cMax , iMax , eMax ) , source = 0.0_pReal )
allocate ( crystallite_dt ( cMax , iMax , eMax ) , source = 0.0_pReal )
allocate ( crystallite_subdt , crystallite_subFrac , crystallite_subStep , &
source = crystallite_dt )
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allocate ( crystallite_orientation ( cMax , iMax , eMax ) )
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allocate ( crystallite_requested ( cMax , iMax , eMax ) , source = . false . )
allocate ( crystallite_converged ( cMax , iMax , eMax ) , source = . true . )
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num_crystallite = > numerics_root % get ( 'crystallite' , defaultVal = emptyDict )
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num % subStepMinCryst = num_crystallite % get_asFloat ( 'subStepMin' , defaultVal = 1.0e-3_pReal )
num % subStepSizeCryst = num_crystallite % get_asFloat ( 'subStepSize' , defaultVal = 0.25_pReal )
num % stepIncreaseCryst = num_crystallite % get_asFloat ( 'stepIncrease' , defaultVal = 1.5_pReal )
num % subStepSizeLp = num_crystallite % get_asFloat ( 'subStepSizeLp' , defaultVal = 0.5_pReal )
num % subStepSizeLi = num_crystallite % get_asFloat ( 'subStepSizeLi' , defaultVal = 0.5_pReal )
num % rtol_crystalliteState = num_crystallite % get_asFloat ( 'rtol_State' , defaultVal = 1.0e-6_pReal )
num % rtol_crystalliteStress = num_crystallite % get_asFloat ( 'rtol_Stress' , defaultVal = 1.0e-6_pReal )
num % atol_crystalliteStress = num_crystallite % get_asFloat ( 'atol_Stress' , defaultVal = 1.0e-8_pReal )
num % iJacoLpresiduum = num_crystallite % get_asInt ( 'iJacoLpresiduum' , defaultVal = 1 )
num % integrator = num_crystallite % get_asString ( 'integrator' , defaultVal = 'FPI' )
num % nState = num_crystallite % get_asInt ( 'nState' , defaultVal = 20 )
num % nStress = num_crystallite % get_asInt ( 'nStress' , defaultVal = 40 )
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if ( num % subStepMinCryst < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'subStepMinCryst' )
if ( num % subStepSizeCryst < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'subStepSizeCryst' )
if ( num % stepIncreaseCryst < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'stepIncreaseCryst' )
if ( num % subStepSizeLp < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'subStepSizeLp' )
if ( num % subStepSizeLi < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'subStepSizeLi' )
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if ( num % rtol_crystalliteState < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'rtol_crystalliteState' )
if ( num % rtol_crystalliteStress < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'rtol_crystalliteStress' )
if ( num % atol_crystalliteStress < = 0.0_pReal ) call IO_error ( 301 , ext_msg = 'atol_crystalliteStress' )
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if ( num % iJacoLpresiduum < 1 ) call IO_error ( 301 , ext_msg = 'iJacoLpresiduum' )
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if ( num % nState < 1 ) call IO_error ( 301 , ext_msg = 'nState' )
if ( num % nStress < 1 ) call IO_error ( 301 , ext_msg = 'nStress' )
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select case ( num % integrator )
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case ( 'FPI' )
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integrateState = > integrateStateFPI
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case ( 'Euler' )
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integrateState = > integrateStateEuler
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case ( 'AdaptiveEuler' )
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integrateState = > integrateStateAdaptiveEuler
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case ( 'RK4' )
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integrateState = > integrateStateRK4
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case ( 'RKCK45' )
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integrateState = > integrateStateRKCK45
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case default
call IO_error ( 301 , ext_msg = 'integrator' )
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end select
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phases = > material_root % get ( 'phase' )
allocate ( output_constituent ( phases % length ) )
do c = 1 , phases % length
phase = > phases % get ( c )
generic_param = > phase % get ( 'generic' , defaultVal = emptyDict )
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#if defined(__GFORTRAN__)
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output_constituent ( c ) % label = output_asStrings ( generic_param )
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#else
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output_constituent ( c ) % label = generic_param % get_asStrings ( 'output' , defaultVal = emptyStringArray )
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#endif
enddo
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!--------------------------------------------------------------------------------------------------
! initialize
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!$OMP PARALLEL DO PRIVATE(myNcomponents,i,c)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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myNcomponents = homogenization_Ngrains ( material_homogenizationAt ( e ) )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 ) ; do c = 1 , myNcomponents
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crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e ) = material_orientation0 ( c , i , e ) % asMatrix ( ) ! plastic def gradient reflects init orientation
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crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e ) &
/ math_det33 ( crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e ) ) ** ( 1.0_pReal / 3.0_pReal )
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crystallite_Fi0 ( 1 : 3 , 1 : 3 , c , i , e ) = constitutive_initialFi ( c , i , e )
crystallite_F0 ( 1 : 3 , 1 : 3 , c , i , e ) = math_I3
crystallite_Fe ( 1 : 3 , 1 : 3 , c , i , e ) = math_inv33 ( matmul ( crystallite_Fi0 ( 1 : 3 , 1 : 3 , c , i , e ) , &
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crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e ) ) ) ! assuming that euler angles are given in internal strain free configuration
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crystallite_Fp ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Fp0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Fi0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_requested ( c , i , e ) = . true .
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enddo ; enddo
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enddo
!$OMP END PARALLEL DO
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crystallite_partionedFp0 = crystallite_Fp0
crystallite_partionedFi0 = crystallite_Fi0
crystallite_partionedF0 = crystallite_F0
crystallite_partionedF = crystallite_F0
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call crystallite_orientations ( )
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!$OMP PARALLEL DO
do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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do c = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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call constitutive_dependentState ( crystallite_partionedF0 ( 1 : 3 , 1 : 3 , c , i , e ) , &
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crystallite_partionedFp0 ( 1 : 3 , 1 : 3 , c , i , e ) , &
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c , i , e ) ! update dependent state variables to be consistent with basic states
enddo
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enddo
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enddo
!$OMP END PARALLEL DO
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devNull = crystallite_stress ( )
call crystallite_stressTangent
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#ifdef DEBUG
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if ( debugCrystallite % basic ) then
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write ( 6 , '(a42,1x,i10)' ) ' # of elements: ' , eMax
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write ( 6 , '(a42,1x,i10)' ) ' # of integration points/element: ' , iMax
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write ( 6 , '(a42,1x,i10)' ) 'max # of constituents/integration point: ' , cMax
flush ( 6 )
endif
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#endif
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end subroutine crystallite_init
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!--------------------------------------------------------------------------------------------------
!> @brief calculate stress (P)
!--------------------------------------------------------------------------------------------------
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function crystallite_stress ( )
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logical , dimension ( discretization_nIP , discretization_nElem ) :: crystallite_stress
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real ( pReal ) :: &
formerSubStep
integer :: &
NiterationCrystallite , & ! number of iterations in crystallite loop
c , & !< counter in integration point component loop
i , & !< counter in integration point loop
e , & !< counter in element loop
startIP , endIP , &
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s
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logical , dimension ( homogenization_maxNgrains , discretization_nIP , discretization_nElem ) :: todo !ToDo: need to set some values to false for different Ngrains
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todo = . false .
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#ifdef DEBUG
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if ( debugCrystallite % selective &
. and . FEsolving_execElem ( 1 ) < = debugCrystallite % element &
. and . debugCrystallite % element < = FEsolving_execElem ( 2 ) ) then
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write ( 6 , '(/,a,i8,1x,i2,1x,i3)' ) '<< CRYST stress >> boundary and initial values at el ip ipc ' , &
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debugCrystallite % element , debugCrystallite % ip , debugCrystallite % grain
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> F ' , &
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transpose ( crystallite_partionedF ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> F0 ' , &
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transpose ( crystallite_partionedF0 ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> Fp0' , &
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transpose ( crystallite_partionedFp0 ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> Fi0' , &
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transpose ( crystallite_partionedFi0 ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> Lp0' , &
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transpose ( crystallite_partionedLp0 ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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write ( 6 , '(a,/,3(12x,3(f14.9,1x)/))' ) '<< CRYST stress >> Li0' , &
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transpose ( crystallite_partionedLi0 ( 1 : 3 , 1 : 3 , debugCrystallite % grain , &
debugCrystallite % ip , debugCrystallite % element ) )
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endif
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#endif
!--------------------------------------------------------------------------------------------------
! initialize to starting condition
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crystallite_subStep = 0.0_pReal
!$OMP PARALLEL DO
elementLooping1 : do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 ) ; do c = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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homogenizationRequestsCalculation : if ( crystallite_requested ( c , i , e ) ) then
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plasticState ( material_phaseAt ( c , e ) ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) ) = &
plasticState ( material_phaseAt ( c , e ) ) % partionedState0 ( : , material_phaseMemberAt ( c , i , e ) )
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do s = 1 , phase_Nsources ( material_phaseAt ( c , e ) )
sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) ) = &
sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % partionedState0 ( : , material_phaseMemberAt ( c , i , e ) )
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enddo
crystallite_subFp0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_partionedFp0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subLp0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_partionedLp0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subFi0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_partionedFi0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subLi0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_partionedLi0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subF0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_partionedF0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subFrac ( c , i , e ) = 0.0_pReal
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crystallite_subStep ( c , i , e ) = 1.0_pReal / num % subStepSizeCryst
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todo ( c , i , e ) = . true .
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crystallite_converged ( c , i , e ) = . false . ! pretend failed step of 1/subStepSizeCryst
endif homogenizationRequestsCalculation
enddo ; enddo
enddo elementLooping1
!$OMP END PARALLEL DO
singleRun : if ( FEsolving_execELem ( 1 ) == FEsolving_execElem ( 2 ) . and . &
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FEsolving_execIP ( 1 ) == FEsolving_execIP ( 2 ) ) then
startIP = FEsolving_execIP ( 1 )
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endIP = startIP
else singleRun
startIP = 1
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endIP = discretization_nIP
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endif singleRun
NiterationCrystallite = 0
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cutbackLooping : do while ( any ( todo ( : , startIP : endIP , FEsolving_execELem ( 1 ) : FEsolving_execElem ( 2 ) ) ) )
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NiterationCrystallite = NiterationCrystallite + 1
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#ifdef DEBUG
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if ( debugCrystallite % extensive ) &
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write ( 6 , '(a,i6)' ) '<< CRYST stress >> crystallite iteration ' , NiterationCrystallite
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#endif
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!$OMP PARALLEL DO PRIVATE(formerSubStep)
elementLooping3 : do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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do c = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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!--------------------------------------------------------------------------------------------------
! wind forward
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if ( crystallite_converged ( c , i , e ) ) then
formerSubStep = crystallite_subStep ( c , i , e )
crystallite_subFrac ( c , i , e ) = crystallite_subFrac ( c , i , e ) + crystallite_subStep ( c , i , e )
crystallite_subStep ( c , i , e ) = min ( 1.0_pReal - crystallite_subFrac ( c , i , e ) , &
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num % stepIncreaseCryst * crystallite_subStep ( c , i , e ) )
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todo ( c , i , e ) = crystallite_subStep ( c , i , e ) > 0.0_pReal ! still time left to integrate on?
if ( todo ( c , i , e ) ) then
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crystallite_subF0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subLp0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Lp ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subLi0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Li ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subFp0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Fp ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_subFi0 ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e )
!if abbrevation, make c and p private in omp
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plasticState ( material_phaseAt ( c , e ) ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) ) &
= plasticState ( material_phaseAt ( c , e ) ) % state ( : , material_phaseMemberAt ( c , i , e ) )
do s = 1 , phase_Nsources ( material_phaseAt ( c , e ) )
sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) ) &
= sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % state ( : , material_phaseMemberAt ( c , i , e ) )
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enddo
endif
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!--------------------------------------------------------------------------------------------------
! cut back (reduced time and restore)
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else
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crystallite_subStep ( c , i , e ) = num % subStepSizeCryst * crystallite_subStep ( c , i , e )
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crystallite_Fp ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subFp0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subFi0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_S ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_S0 ( 1 : 3 , 1 : 3 , c , i , e )
if ( crystallite_subStep ( c , i , e ) < 1.0_pReal ) then ! actual (not initial) cutback
crystallite_Lp ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subLp0 ( 1 : 3 , 1 : 3 , c , i , e )
crystallite_Li ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subLi0 ( 1 : 3 , 1 : 3 , c , i , e )
endif
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plasticState ( material_phaseAt ( c , e ) ) % state ( : , material_phaseMemberAt ( c , i , e ) ) &
= plasticState ( material_phaseAt ( c , e ) ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) )
do s = 1 , phase_Nsources ( material_phaseAt ( c , e ) )
sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % state ( : , material_phaseMemberAt ( c , i , e ) ) &
= sourceState ( material_phaseAt ( c , e ) ) % p ( s ) % subState0 ( : , material_phaseMemberAt ( c , i , e ) )
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enddo
! cant restore dotState here, since not yet calculated in first cutback after initialization
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todo ( c , i , e ) = crystallite_subStep ( c , i , e ) > num % subStepMinCryst ! still on track or already done (beyond repair)
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endif
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!--------------------------------------------------------------------------------------------------
! prepare for integration
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if ( todo ( c , i , e ) ) then
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crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) = crystallite_subF0 ( 1 : 3 , 1 : 3 , c , i , e ) &
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+ crystallite_subStep ( c , i , e ) * ( crystallite_partionedF ( 1 : 3 , 1 : 3 , c , i , e ) &
- crystallite_partionedF0 ( 1 : 3 , 1 : 3 , c , i , e ) )
crystallite_Fe ( 1 : 3 , 1 : 3 , c , i , e ) = matmul ( matmul ( crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) , &
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math_inv33 ( crystallite_Fp ( 1 : 3 , 1 : 3 , c , i , e ) ) ) , &
math_inv33 ( crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) ) )
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crystallite_subdt ( c , i , e ) = crystallite_subStep ( c , i , e ) * crystallite_dt ( c , i , e )
crystallite_converged ( c , i , e ) = . false .
endif
enddo
enddo
enddo elementLooping3
!$OMP END PARALLEL DO
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!--------------------------------------------------------------------------------------------------
! integrate --- requires fully defined state array (basic + dependent state)
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if ( any ( todo ) ) call integrateState ( todo ) ! TODO: unroll into proper elementloop to avoid N^2 for single point evaluation
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where ( . not . crystallite_converged . and . crystallite_subStep > num % subStepMinCryst ) & ! do not try non-converged but fully cutbacked any further
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todo = . true . ! TODO: again unroll this into proper elementloop to avoid N^2 for single point evaluation
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enddo cutbackLooping
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! return whether converged or not
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crystallite_stress = . false .
elementLooping5 : do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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crystallite_stress ( i , e ) = all ( crystallite_converged ( : , i , e ) )
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enddo
enddo elementLooping5
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end function crystallite_stress
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!--------------------------------------------------------------------------------------------------
!> @brief calculate tangent (dPdF)
!--------------------------------------------------------------------------------------------------
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subroutine crystallite_stressTangent
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integer :: &
c , & !< counter in integration point component loop
i , & !< counter in integration point loop
e , & !< counter in element loop
o , &
p
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real ( pReal ) , dimension ( 3 , 3 ) :: devNull , &
invSubFp0 , invSubFi0 , invFp , invFi , &
temp_33_1 , temp_33_2 , temp_33_3 , temp_33_4
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real ( pReal ) , dimension ( 3 , 3 , 3 , 3 ) :: dSdFe , &
dSdF , &
dSdFi , &
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dLidS , & ! tangent in lattice configuration
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dLidFi , &
dLpdS , &
dLpdFi , &
dFidS , &
dFpinvdF , &
rhs_3333 , &
lhs_3333 , &
temp_3333
real ( pReal ) , dimension ( 9 , 9 ) :: temp_99
logical :: error
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!$OMP PARALLEL DO PRIVATE(dSdF,dSdFe,dSdFi,dLpdS,dLpdFi,dFpinvdF,dLidS,dLidFi,dFidS,o,p, &
!$OMP invSubFp0,invSubFi0,invFp,invFi, &
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!$OMP rhs_3333,lhs_3333,temp_99,temp_33_1,temp_33_2,temp_33_3,temp_33_4,temp_3333,error)
elementLooping : do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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do c = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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call constitutive_SandItsTangents ( devNull , dSdFe , dSdFi , &
crystallite_Fe ( 1 : 3 , 1 : 3 , c , i , e ) , &
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crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) , c , i , e )
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call constitutive_LiAndItsTangents ( devNull , dLidS , dLidFi , &
crystallite_S ( 1 : 3 , 1 : 3 , c , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) , &
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c , i , e )
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invFp = math_inv33 ( crystallite_Fp ( 1 : 3 , 1 : 3 , c , i , e ) )
invFi = math_inv33 ( crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) )
invSubFp0 = math_inv33 ( crystallite_subFp0 ( 1 : 3 , 1 : 3 , c , i , e ) )
invSubFi0 = math_inv33 ( crystallite_subFi0 ( 1 : 3 , 1 : 3 , c , i , e ) )
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if ( sum ( abs ( dLidS ) ) < tol_math_check ) then
dFidS = 0.0_pReal
else
lhs_3333 = 0.0_pReal ; rhs_3333 = 0.0_pReal
do o = 1 , 3 ; do p = 1 , 3
lhs_3333 ( 1 : 3 , 1 : 3 , o , p ) = lhs_3333 ( 1 : 3 , 1 : 3 , o , p ) &
+ crystallite_subdt ( c , i , e ) * matmul ( invSubFi0 , dLidFi ( 1 : 3 , 1 : 3 , o , p ) )
lhs_3333 ( 1 : 3 , o , 1 : 3 , p ) = lhs_3333 ( 1 : 3 , o , 1 : 3 , p ) &
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+ invFi * invFi ( p , o )
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rhs_3333 ( 1 : 3 , 1 : 3 , o , p ) = rhs_3333 ( 1 : 3 , 1 : 3 , o , p ) &
- crystallite_subdt ( c , i , e ) * matmul ( invSubFi0 , dLidS ( 1 : 3 , 1 : 3 , o , p ) )
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enddo ; enddo
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call math_invert ( temp_99 , error , math_3333to99 ( lhs_3333 ) )
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if ( error ) then
call IO_warning ( warning_ID = 600 , el = e , ip = i , g = c , &
ext_msg = 'inversion error in analytic tangent calculation' )
dFidS = 0.0_pReal
else
dFidS = math_mul3333xx3333 ( math_99to3333 ( temp_99 ) , rhs_3333 )
endif
dLidS = math_mul3333xx3333 ( dLidFi , dFidS ) + dLidS
endif
call constitutive_LpAndItsTangents ( devNull , dLpdS , dLpdFi , &
crystallite_S ( 1 : 3 , 1 : 3 , c , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , c , i , e ) , c , i , e ) ! call constitutive law to calculate Lp tangent in lattice configuration
dLpdS = math_mul3333xx3333 ( dLpdFi , dFidS ) + dLpdS
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!--------------------------------------------------------------------------------------------------
! calculate dSdF
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temp_33_1 = transpose ( matmul ( invFp , invFi ) )
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temp_33_2 = matmul ( crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) , invSubFp0 )
temp_33_3 = matmul ( matmul ( crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) , invFp ) , invSubFi0 )
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do o = 1 , 3 ; do p = 1 , 3
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rhs_3333 ( p , o , 1 : 3 , 1 : 3 ) = matmul ( dSdFe ( p , o , 1 : 3 , 1 : 3 ) , temp_33_1 )
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temp_3333 ( 1 : 3 , 1 : 3 , p , o ) = matmul ( matmul ( temp_33_2 , dLpdS ( 1 : 3 , 1 : 3 , p , o ) ) , invFi ) &
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+ matmul ( temp_33_3 , dLidS ( 1 : 3 , 1 : 3 , p , o ) )
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enddo ; enddo
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lhs_3333 = crystallite_subdt ( c , i , e ) * math_mul3333xx3333 ( dSdFe , temp_3333 ) &
+ math_mul3333xx3333 ( dSdFi , dFidS )
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call math_invert ( temp_99 , error , math_identity2nd ( 9 ) + math_3333to99 ( lhs_3333 ) )
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if ( error ) then
call IO_warning ( warning_ID = 600 , el = e , ip = i , g = c , &
ext_msg = 'inversion error in analytic tangent calculation' )
dSdF = rhs_3333
else
dSdF = math_mul3333xx3333 ( math_99to3333 ( temp_99 ) , rhs_3333 )
endif
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!--------------------------------------------------------------------------------------------------
! calculate dFpinvdF
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temp_3333 = math_mul3333xx3333 ( dLpdS , dSdF )
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do o = 1 , 3 ; do p = 1 , 3
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dFpinvdF ( 1 : 3 , 1 : 3 , p , o ) = - crystallite_subdt ( c , i , e ) &
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* matmul ( invSubFp0 , matmul ( temp_3333 ( 1 : 3 , 1 : 3 , p , o ) , invFi ) )
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enddo ; enddo
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!--------------------------------------------------------------------------------------------------
! assemble dPdF
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temp_33_1 = matmul ( crystallite_S ( 1 : 3 , 1 : 3 , c , i , e ) , transpose ( invFp ) )
temp_33_2 = matmul ( invFp , temp_33_1 )
temp_33_3 = matmul ( crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) , invFp )
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temp_33_4 = matmul ( temp_33_3 , crystallite_S ( 1 : 3 , 1 : 3 , c , i , e ) )
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crystallite_dPdF ( 1 : 3 , 1 : 3 , 1 : 3 , 1 : 3 , c , i , e ) = 0.0_pReal
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do p = 1 , 3
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crystallite_dPdF ( p , 1 : 3 , p , 1 : 3 , c , i , e ) = transpose ( temp_33_2 )
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enddo
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do o = 1 , 3 ; do p = 1 , 3
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crystallite_dPdF ( 1 : 3 , 1 : 3 , p , o , c , i , e ) = crystallite_dPdF ( 1 : 3 , 1 : 3 , p , o , c , i , e ) &
+ matmul ( matmul ( crystallite_subF ( 1 : 3 , 1 : 3 , c , i , e ) , &
dFpinvdF ( 1 : 3 , 1 : 3 , p , o ) ) , temp_33_1 ) &
+ matmul ( matmul ( temp_33_3 , dSdF ( 1 : 3 , 1 : 3 , p , o ) ) , &
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transpose ( invFp ) ) &
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+ matmul ( temp_33_4 , transpose ( dFpinvdF ( 1 : 3 , 1 : 3 , p , o ) ) )
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enddo ; enddo
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enddo ; enddo
enddo elementLooping
!$OMP END PARALLEL DO
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end subroutine crystallite_stressTangent
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates orientations
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!--------------------------------------------------------------------------------------------------
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subroutine crystallite_orientations
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integer &
c , & !< counter in integration point component loop
i , & !< counter in integration point loop
e !< counter in element loop
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!$OMP PARALLEL DO
do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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do c = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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call crystallite_orientation ( c , i , e ) % fromMatrix ( transpose ( math_rotationalPart ( crystallite_Fe ( 1 : 3 , 1 : 3 , c , i , e ) ) ) )
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enddo ; enddo ; enddo
!$OMP END PARALLEL DO
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nonlocalPresent : if ( any ( plasticState % nonlocal ) ) then
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!$OMP PARALLEL DO
do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
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if ( plasticState ( material_phaseAt ( 1 , e ) ) % nonlocal ) then
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
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call plastic_nonlocal_updateCompatibility ( crystallite_orientation , &
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phase_plasticityInstance ( material_phaseAt ( 1 , e ) ) , i , e )
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enddo
endif
enddo
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!$OMP END PARALLEL DO
endif nonlocalPresent
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end subroutine crystallite_orientations
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!--------------------------------------------------------------------------------------------------
!> @brief Map 2nd order tensor to reference config
!--------------------------------------------------------------------------------------------------
function crystallite_push33ToRef ( ipc , ip , el , tensor33 )
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real ( pReal ) , dimension ( 3 , 3 ) :: crystallite_push33ToRef
real ( pReal ) , dimension ( 3 , 3 ) , intent ( in ) :: tensor33
real ( pReal ) , dimension ( 3 , 3 ) :: T
integer , intent ( in ) :: &
el , &
ip , &
ipc
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T = matmul ( material_orientation0 ( ipc , ip , el ) % asMatrix ( ) , & ! ToDo: initial orientation correct?
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transpose ( math_inv33 ( crystallite_subF ( 1 : 3 , 1 : 3 , ipc , ip , el ) ) ) )
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crystallite_push33ToRef = matmul ( transpose ( T ) , matmul ( tensor33 , T ) )
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end function crystallite_push33ToRef
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!--------------------------------------------------------------------------------------------------
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!> @brief writes crystallite results to HDF5 output file
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!--------------------------------------------------------------------------------------------------
subroutine crystallite_results
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integer :: p , o
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real ( pReal ) , allocatable , dimension ( : , : , : ) :: selected_tensors
type ( rotation ) , allocatable , dimension ( : ) :: selected_rotations
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character ( len = pStringLen ) :: group , structureLabel
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do p = 1 , size ( material_name_phase )
group = trim ( 'current/constituent' ) / / '/' / / trim ( material_name_phase ( p ) ) / / '/generic'
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call results_closeGroup ( results_addGroup ( group ) )
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do o = 1 , size ( output_constituent ( p ) % label )
select case ( output_constituent ( p ) % label ( o ) )
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case ( 'F' )
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selected_tensors = select_tensors ( crystallite_partionedF , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'deformation gradient' , '1' )
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case ( 'Fe' )
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selected_tensors = select_tensors ( crystallite_Fe , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'elastic deformation gradient' , '1' )
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case ( 'Fp' )
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selected_tensors = select_tensors ( crystallite_Fp , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'plastic deformation gradient' , '1' )
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case ( 'Fi' )
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selected_tensors = select_tensors ( crystallite_Fi , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'inelastic deformation gradient' , '1' )
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case ( 'Lp' )
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selected_tensors = select_tensors ( crystallite_Lp , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'plastic velocity gradient' , '1/s' )
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case ( 'Li' )
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selected_tensors = select_tensors ( crystallite_Li , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
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'inelastic velocity gradient' , '1/s' )
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case ( 'P' )
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selected_tensors = select_tensors ( crystallite_P , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
'First Piola-Kirchoff stress' , 'Pa' )
case ( 'S' )
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selected_tensors = select_tensors ( crystallite_S , p )
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call results_writeDataset ( group , selected_tensors , output_constituent ( p ) % label ( o ) , &
'Second Piola-Kirchoff stress' , 'Pa' )
case ( 'O' )
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select case ( lattice_structure ( p ) )
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case ( lattice_ISO_ID )
structureLabel = 'iso'
case ( lattice_FCC_ID )
structureLabel = 'fcc'
case ( lattice_BCC_ID )
structureLabel = 'bcc'
case ( lattice_BCT_ID )
structureLabel = 'bct'
case ( lattice_HEX_ID )
structureLabel = 'hex'
case ( lattice_ORT_ID )
structureLabel = 'ort'
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end select
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selected_rotations = select_rotations ( crystallite_orientation , p )
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call results_writeDataset ( group , selected_rotations , output_constituent ( p ) % label ( o ) , &
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'crystal orientation as quaternion' , structureLabel )
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end select
enddo
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enddo
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contains
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!------------------------------------------------------------------------------------------------
!> @brief select tensors for output
!------------------------------------------------------------------------------------------------
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function select_tensors ( dataset , instance )
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integer , intent ( in ) :: instance
real ( pReal ) , dimension ( : , : , : , : , : ) , intent ( in ) :: dataset
real ( pReal ) , allocatable , dimension ( : , : , : ) :: select_tensors
integer :: e , i , c , j
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allocate ( select_tensors ( 3 , 3 , count ( material_phaseAt == instance ) * discretization_nIP ) )
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j = 0
do e = 1 , size ( material_phaseAt , 2 )
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do i = 1 , discretization_nIP
do c = 1 , size ( material_phaseAt , 1 ) !ToDo: this needs to be changed for varying Ngrains
if ( material_phaseAt ( c , e ) == instance ) then
j = j + 1
select_tensors ( 1 : 3 , 1 : 3 , j ) = dataset ( 1 : 3 , 1 : 3 , c , i , e )
endif
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enddo
enddo
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enddo
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end function select_tensors
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!--------------------------------------------------------------------------------------------------
!> @brief select rotations for output
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!--------------------------------------------------------------------------------------------------
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function select_rotations ( dataset , instance )
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integer , intent ( in ) :: instance
type ( rotation ) , dimension ( : , : , : ) , intent ( in ) :: dataset
type ( rotation ) , allocatable , dimension ( : ) :: select_rotations
integer :: e , i , c , j
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allocate ( select_rotations ( count ( material_phaseAt == instance ) * homogenization_maxNgrains * discretization_nIP ) )
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j = 0
do e = 1 , size ( material_phaseAt , 2 )
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do i = 1 , discretization_nIP
do c = 1 , size ( material_phaseAt , 1 ) !ToDo: this needs to be changed for varying Ngrains
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if ( material_phaseAt ( c , e ) == instance ) then
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j = j + 1
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select_rotations ( j ) = dataset ( c , i , e )
endif
enddo
enddo
enddo
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end function select_rotations
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end subroutine crystallite_results
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!--------------------------------------------------------------------------------------------------
!> @brief calculation of stress (P) with time integration based on a residuum in Lp and
!> intermediate acceleration of the Newton-Raphson correction
!--------------------------------------------------------------------------------------------------
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function integrateStress ( ipc , ip , el , timeFraction ) result ( broken )
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integer , intent ( in ) :: el , & ! element index
ip , & ! integration point index
ipc ! grain index
real ( pReal ) , optional , intent ( in ) :: timeFraction ! fraction of timestep
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real ( pReal ) , dimension ( 3 , 3 ) :: F , & ! deformation gradient at end of timestep
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Fp_new , & ! plastic deformation gradient at end of timestep
invFp_new , & ! inverse of Fp_new
invFp_current , & ! inverse of Fp_current
Lpguess , & ! current guess for plastic velocity gradient
Lpguess_old , & ! known last good guess for plastic velocity gradient
Lp_constitutive , & ! plastic velocity gradient resulting from constitutive law
residuumLp , & ! current residuum of plastic velocity gradient
residuumLp_old , & ! last residuum of plastic velocity gradient
deltaLp , & ! direction of next guess
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Fi_new , & ! gradient of intermediate deformation stages
invFi_new , &
invFi_current , & ! inverse of Fi_current
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Liguess , & ! current guess for intermediate velocity gradient
Liguess_old , & ! known last good guess for intermediate velocity gradient
Li_constitutive , & ! intermediate velocity gradient resulting from constitutive law
residuumLi , & ! current residuum of intermediate velocity gradient
residuumLi_old , & ! last residuum of intermediate velocity gradient
deltaLi , & ! direction of next guess
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Fe , & ! elastic deformation gradient
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S , & ! 2nd Piola-Kirchhoff Stress in plastic (lattice) configuration
A , &
B , &
temp_33
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real ( pReal ) , dimension ( 9 ) :: temp_9 ! needed for matrix inversion by LAPACK
integer , dimension ( 9 ) :: devNull_9 ! needed for matrix inversion by LAPACK
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real ( pReal ) , dimension ( 9 , 9 ) :: dRLp_dLp , & ! partial derivative of residuum (Jacobian for Newton-Raphson scheme)
dRLi_dLi ! partial derivative of residuumI (Jacobian for Newton-Raphson scheme)
real ( pReal ) , dimension ( 3 , 3 , 3 , 3 ) :: dS_dFe , & ! partial derivative of 2nd Piola-Kirchhoff stress
dS_dFi , &
dFe_dLp , & ! partial derivative of elastic deformation gradient
dFe_dLi , &
dFi_dLi , &
dLp_dFi , &
dLi_dFi , &
dLp_dS , &
dLi_dS
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real ( pReal ) steplengthLp , &
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steplengthLi , &
dt , & ! time increment
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atol_Lp , &
atol_Li , &
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devNull
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integer NiterationStressLp , & ! number of stress integrations
NiterationStressLi , & ! number of inner stress integrations
ierr , & ! error indicator for LAPACK
o , &
p , &
jacoCounterLp , &
jacoCounterLi ! counters to check for Jacobian update
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logical :: error , broken
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broken = . true .
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if ( present ( timeFraction ) ) then
dt = crystallite_subdt ( ipc , ip , el ) * timeFraction
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F = crystallite_subF0 ( 1 : 3 , 1 : 3 , ipc , ip , el ) &
+ ( crystallite_subF ( 1 : 3 , 1 : 3 , ipc , ip , el ) - crystallite_subF0 ( 1 : 3 , 1 : 3 , ipc , ip , el ) ) * timeFraction
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else
dt = crystallite_subdt ( ipc , ip , el )
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F = crystallite_subF ( 1 : 3 , 1 : 3 , ipc , ip , el )
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endif
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call constitutive_dependentState ( crystallite_partionedF ( 1 : 3 , 1 : 3 , ipc , ip , el ) , &
crystallite_Fp ( 1 : 3 , 1 : 3 , ipc , ip , el ) , ipc , ip , el )
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Lpguess = crystallite_Lp ( 1 : 3 , 1 : 3 , ipc , ip , el ) ! take as first guess
Liguess = crystallite_Li ( 1 : 3 , 1 : 3 , ipc , ip , el ) ! take as first guess
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call math_invert33 ( invFp_current , devNull , error , crystallite_subFp0 ( 1 : 3 , 1 : 3 , ipc , ip , el ) )
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if ( error ) return ! error
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call math_invert33 ( invFi_current , devNull , error , crystallite_subFi0 ( 1 : 3 , 1 : 3 , ipc , ip , el ) )
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if ( error ) return ! error
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A = matmul ( F , invFp_current ) ! intermediate tensor needed later to calculate dFe_dLp
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jacoCounterLi = 0
steplengthLi = 1.0_pReal
residuumLi_old = 0.0_pReal
Liguess_old = Liguess
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NiterationStressLi = 0
LiLoop : do
NiterationStressLi = NiterationStressLi + 1
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if ( NiterationStressLi > num % nStress ) return ! error
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invFi_new = matmul ( invFi_current , math_I3 - dt * Liguess )
Fi_new = math_inv33 ( invFi_new )
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jacoCounterLp = 0
steplengthLp = 1.0_pReal
residuumLp_old = 0.0_pReal
Lpguess_old = Lpguess
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NiterationStressLp = 0
LpLoop : do
NiterationStressLp = NiterationStressLp + 1
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if ( NiterationStressLp > num % nStress ) return ! error
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2019-04-03 16:24:07 +05:30
B = math_I3 - dt * Lpguess
Fe = matmul ( matmul ( A , B ) , invFi_new )
call constitutive_SandItsTangents ( S , dS_dFe , dS_dFi , &
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Fe , Fi_new , ipc , ip , el )
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call constitutive_LpAndItsTangents ( Lp_constitutive , dLp_dS , dLp_dFi , &
S , Fi_new , ipc , ip , el )
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2019-04-03 16:24:07 +05:30
!* update current residuum and check for convergence of loop
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atol_Lp = max ( num % rtol_crystalliteStress * max ( norm2 ( Lpguess ) , norm2 ( Lp_constitutive ) ) , & ! absolute tolerance from largest acceptable relative error
num % atol_crystalliteStress ) ! minimum lower cutoff
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residuumLp = Lpguess - Lp_constitutive
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if ( any ( IEEE_is_NaN ( residuumLp ) ) ) then
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return ! error
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elseif ( norm2 ( residuumLp ) < atol_Lp ) then ! converged if below absolute tolerance
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exit LpLoop
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elseif ( NiterationStressLp == 1 . or . norm2 ( residuumLp ) < norm2 ( residuumLp_old ) ) then ! not converged, but improved norm of residuum (always proceed in first iteration)...
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residuumLp_old = residuumLp ! ...remember old values and...
Lpguess_old = Lpguess
steplengthLp = 1.0_pReal ! ...proceed with normal step length (calculate new search direction)
else ! not converged and residuum not improved...
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steplengthLp = num % subStepSizeLp * steplengthLp ! ...try with smaller step length in same direction
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Lpguess = Lpguess_old &
+ deltaLp * stepLengthLp
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cycle LpLoop
endif
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calculateJacobiLi : if ( mod ( jacoCounterLp , num % iJacoLpresiduum ) == 0 ) then
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jacoCounterLp = jacoCounterLp + 1
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do o = 1 , 3 ; do p = 1 , 3
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dFe_dLp ( o , 1 : 3 , p , 1 : 3 ) = - dt * A ( o , p ) * transpose ( invFi_new ) ! dFe_dLp(i,j,k,l) = -dt * A(i,k) invFi(l,j)
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enddo ; enddo
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dRLp_dLp = math_identity2nd ( 9 ) &
- math_3333to99 ( math_mul3333xx3333 ( math_mul3333xx3333 ( dLp_dS , dS_dFe ) , dFe_dLp ) )
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temp_9 = math_33to9 ( residuumLp )
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call dgesv ( 9 , 1 , dRLp_dLp , 9 , devNull_9 , temp_9 , 9 , ierr ) ! solve dRLp/dLp * delta Lp = -res for delta Lp
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if ( ierr / = 0 ) return ! error
deltaLp = - math_9to33 ( temp_9 )
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endif calculateJacobiLi
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Lpguess = Lpguess &
+ deltaLp * steplengthLp
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enddo LpLoop
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call constitutive_LiAndItsTangents ( Li_constitutive , dLi_dS , dLi_dFi , &
S , Fi_new , ipc , ip , el )
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!* update current residuum and check for convergence of loop
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atol_Li = max ( num % rtol_crystalliteStress * max ( norm2 ( Liguess ) , norm2 ( Li_constitutive ) ) , & ! absolute tolerance from largest acceptable relative error
num % atol_crystalliteStress ) ! minimum lower cutoff
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residuumLi = Liguess - Li_constitutive
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if ( any ( IEEE_is_NaN ( residuumLi ) ) ) then
return ! error
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elseif ( norm2 ( residuumLi ) < atol_Li ) then ! converged if below absolute tolerance
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exit LiLoop
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elseif ( NiterationStressLi == 1 . or . norm2 ( residuumLi ) < norm2 ( residuumLi_old ) ) then ! not converged, but improved norm of residuum (always proceed in first iteration)...
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residuumLi_old = residuumLi ! ...remember old values and...
Liguess_old = Liguess
steplengthLi = 1.0_pReal ! ...proceed with normal step length (calculate new search direction)
else ! not converged and residuum not improved...
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steplengthLi = num % subStepSizeLi * steplengthLi ! ...try with smaller step length in same direction
Liguess = Liguess_old &
+ deltaLi * steplengthLi
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cycle LiLoop
endif
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calculateJacobiLp : if ( mod ( jacoCounterLi , num % iJacoLpresiduum ) == 0 ) then
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jacoCounterLi = jacoCounterLi + 1
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temp_33 = matmul ( matmul ( A , B ) , invFi_current )
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do o = 1 , 3 ; do p = 1 , 3
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dFe_dLi ( 1 : 3 , o , 1 : 3 , p ) = - dt * math_I3 ( o , p ) * temp_33 ! dFe_dLp(i,j,k,l) = -dt * A(i,k) invFi(l,j)
dFi_dLi ( 1 : 3 , o , 1 : 3 , p ) = - dt * math_I3 ( o , p ) * invFi_current
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enddo ; enddo
do o = 1 , 3 ; do p = 1 , 3
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dFi_dLi ( 1 : 3 , 1 : 3 , o , p ) = matmul ( matmul ( Fi_new , dFi_dLi ( 1 : 3 , 1 : 3 , o , p ) ) , Fi_new )
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enddo ; enddo
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dRLi_dLi = math_identity2nd ( 9 ) &
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- math_3333to99 ( math_mul3333xx3333 ( dLi_dS , math_mul3333xx3333 ( dS_dFe , dFe_dLi ) &
+ math_mul3333xx3333 ( dS_dFi , dFi_dLi ) ) ) &
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- math_3333to99 ( math_mul3333xx3333 ( dLi_dFi , dFi_dLi ) )
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temp_9 = math_33to9 ( residuumLi )
call dgesv ( 9 , 1 , dRLi_dLi , 9 , devNull_9 , temp_9 , 9 , ierr ) ! solve dRLi/dLp * delta Li = -res for delta Li
if ( ierr / = 0 ) return ! error
deltaLi = - math_9to33 ( temp_9 )
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endif calculateJacobiLp
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Liguess = Liguess &
+ deltaLi * steplengthLi
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enddo LiLoop
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invFp_new = matmul ( invFp_current , B )
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call math_invert33 ( Fp_new , devNull , error , invFp_new )
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if ( error ) return ! error
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crystallite_P ( 1 : 3 , 1 : 3 , ipc , ip , el ) = matmul ( matmul ( F , invFp_new ) , matmul ( S , transpose ( invFp_new ) ) )
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crystallite_S ( 1 : 3 , 1 : 3 , ipc , ip , el ) = S
crystallite_Lp ( 1 : 3 , 1 : 3 , ipc , ip , el ) = Lpguess
crystallite_Li ( 1 : 3 , 1 : 3 , ipc , ip , el ) = Liguess
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crystallite_Fp ( 1 : 3 , 1 : 3 , ipc , ip , el ) = Fp_new / math_det33 ( Fp_new ) ** ( 1.0_pReal / 3.0_pReal ) ! regularize
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crystallite_Fi ( 1 : 3 , 1 : 3 , ipc , ip , el ) = Fi_new
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crystallite_Fe ( 1 : 3 , 1 : 3 , ipc , ip , el ) = matmul ( matmul ( F , invFp_new ) , invFi_new )
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broken = . false .
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end function integrateStress
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!--------------------------------------------------------------------------------------------------
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!> @brief integrate stress, state with adaptive 1st order explicit Euler method
!> using Fixed Point Iteration to adapt the stepsize
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!--------------------------------------------------------------------------------------------------
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subroutine integrateStateFPI ( todo )
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logical , dimension ( : , : , : ) , intent ( in ) :: todo
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integer :: &
NiterationState , & !< number of iterations in state loop
e , & !< element index in element loop
i , & !< integration point index in ip loop
g , & !< grain index in grain loop
p , &
c , &
s , &
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size_pl
integer , dimension ( maxval ( phase_Nsources ) ) :: &
size_so
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real ( pReal ) :: &
zeta
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real ( pReal ) , dimension ( max ( constitutive_plasticity_maxSizeDotState , constitutive_source_maxSizeDotState ) ) :: &
r ! state residuum
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real ( pReal ) , dimension ( constitutive_plasticity_maxSizeDotState , 2 ) :: &
plastic_dotState
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real ( pReal ) , dimension ( constitutive_source_maxSizeDotState , 2 , maxval ( phase_Nsources ) ) :: source_dotState
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logical :: &
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nonlocalBroken , broken
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nonlocalBroken = . false .
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!$OMP PARALLEL DO PRIVATE(size_pl,size_so,r,zeta,p,c,plastic_dotState,source_dotState,broken)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
do g = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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p = material_phaseAt ( g , e )
if ( todo ( g , i , e ) . and . . not . ( nonlocalBroken . and . plasticState ( p ) % nonlocal ) ) then
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c = material_phaseMemberAt ( g , i , e )
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broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
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crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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if ( broken ) cycle
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size_pl = plasticState ( p ) % sizeDotState
plasticState ( p ) % state ( 1 : size_pl , c ) = plasticState ( p ) % subState0 ( 1 : size_pl , c ) &
+ plasticState ( p ) % dotState ( 1 : size_pl , c ) &
* crystallite_subdt ( g , i , e )
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plastic_dotState ( 1 : size_pl , 2 ) = 0.0_pReal
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do s = 1 , phase_Nsources ( p )
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size_so ( s ) = sourceState ( p ) % p ( s ) % sizeDotState
sourceState ( p ) % p ( s ) % state ( 1 : size_so ( s ) , c ) = sourceState ( p ) % p ( s ) % subState0 ( 1 : size_so ( s ) , c ) &
+ sourceState ( p ) % p ( s ) % dotState ( 1 : size_so ( s ) , c ) &
* crystallite_subdt ( g , i , e )
source_dotState ( 1 : size_so ( s ) , 2 , s ) = 0.0_pReal
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enddo
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iteration : do NiterationState = 1 , num % nState
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if ( nIterationState > 1 ) plastic_dotState ( 1 : size_pl , 2 ) = plastic_dotState ( 1 : size_pl , 1 )
plastic_dotState ( 1 : size_pl , 1 ) = plasticState ( p ) % dotState ( : , c )
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do s = 1 , phase_Nsources ( p )
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if ( nIterationState > 1 ) source_dotState ( 1 : size_so ( s ) , 2 , s ) = source_dotState ( 1 : size_so ( s ) , 1 , s )
source_dotState ( 1 : size_so ( s ) , 1 , s ) = sourceState ( p ) % p ( s ) % dotState ( : , c )
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enddo
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broken = integrateStress ( g , i , e )
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if ( broken ) exit iteration
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broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken ) exit iteration
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zeta = damper ( plasticState ( p ) % dotState ( : , c ) , plastic_dotState ( 1 : size_pl , 1 ) , &
plastic_dotState ( 1 : size_pl , 2 ) )
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plasticState ( p ) % dotState ( : , c ) = plasticState ( p ) % dotState ( : , c ) * zeta &
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+ plastic_dotState ( 1 : size_pl , 1 ) * ( 1.0_pReal - zeta )
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r ( 1 : size_pl ) = plasticState ( p ) % state ( 1 : size_pl , c ) &
- plasticState ( p ) % subState0 ( 1 : size_pl , c ) &
- plasticState ( p ) % dotState ( 1 : size_pl , c ) * crystallite_subdt ( g , i , e )
plasticState ( p ) % state ( 1 : size_pl , c ) = plasticState ( p ) % state ( 1 : size_pl , c ) &
- r ( 1 : size_pl )
crystallite_converged ( g , i , e ) = converged ( r ( 1 : size_pl ) , &
plasticState ( p ) % state ( 1 : size_pl , c ) , &
plasticState ( p ) % atol ( 1 : size_pl ) )
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do s = 1 , phase_Nsources ( p )
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zeta = damper ( sourceState ( p ) % p ( s ) % dotState ( : , c ) , &
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source_dotState ( 1 : size_so ( s ) , 1 , s ) , &
source_dotState ( 1 : size_so ( s ) , 2 , s ) )
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sourceState ( p ) % p ( s ) % dotState ( : , c ) = sourceState ( p ) % p ( s ) % dotState ( : , c ) * zeta &
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+ source_dotState ( 1 : size_so ( s ) , 1 , s ) * ( 1.0_pReal - zeta )
r ( 1 : size_so ( s ) ) = sourceState ( p ) % p ( s ) % state ( 1 : size_so ( s ) , c ) &
- sourceState ( p ) % p ( s ) % subState0 ( 1 : size_so ( s ) , c ) &
- sourceState ( p ) % p ( s ) % dotState ( 1 : size_so ( s ) , c ) * crystallite_subdt ( g , i , e )
sourceState ( p ) % p ( s ) % state ( 1 : size_so ( s ) , c ) = sourceState ( p ) % p ( s ) % state ( 1 : size_so ( s ) , c ) &
- r ( 1 : size_so ( s ) )
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crystallite_converged ( g , i , e ) = &
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crystallite_converged ( g , i , e ) . and . converged ( r ( 1 : size_so ( s ) ) , &
sourceState ( p ) % p ( s ) % state ( 1 : size_so ( s ) , c ) , &
sourceState ( p ) % p ( s ) % atol ( 1 : size_so ( s ) ) )
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enddo
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if ( crystallite_converged ( g , i , e ) ) then
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broken = constitutive_deltaState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fe ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , g , i , e , p , c )
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exit iteration
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endif
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enddo iteration
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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endif
enddo ; enddo ; enddo
!$OMP END PARALLEL DO
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if ( nonlocalBroken ) call nonlocalConvergenceCheck
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contains
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2020-03-23 11:09:17 +05:30
!--------------------------------------------------------------------------------------------------
!> @brief calculate the damping for correction of state and dot state
!--------------------------------------------------------------------------------------------------
real ( pReal ) pure function damper ( current , previous , previous2 )
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real ( pReal ) , dimension ( : ) , intent ( in ) :: &
current , previous , previous2
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real ( pReal ) :: dot_prod12 , dot_prod22
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dot_prod12 = dot_product ( current - previous , previous - previous2 )
dot_prod22 = dot_product ( previous - previous2 , previous - previous2 )
if ( ( dot_product ( current , previous ) < 0.0_pReal . or . dot_prod12 < 0.0_pReal ) . and . dot_prod22 > 0.0_pReal ) then
damper = 0.75_pReal + 0.25_pReal * tanh ( 2.0_pReal + 4.0_pReal * dot_prod12 / dot_prod22 )
else
damper = 1.0_pReal
endif
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end function damper
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2019-01-15 08:57:57 +05:30
end subroutine integrateStateFPI
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2013-02-22 04:38:36 +05:30
!--------------------------------------------------------------------------------------------------
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!> @brief integrate state with 1st order explicit Euler method
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!--------------------------------------------------------------------------------------------------
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subroutine integrateStateEuler ( todo )
logical , dimension ( : , : , : ) , intent ( in ) :: todo
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2020-03-24 15:57:53 +05:30
integer :: &
e , & !< element index in element loop
i , & !< integration point index in ip loop
g , & !< grain index in grain loop
p , &
c , &
s , &
sizeDotState
logical :: &
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nonlocalBroken , broken
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nonlocalBroken = . false .
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!$OMP PARALLEL DO PRIVATE (sizeDotState,p,c,broken)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
do g = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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p = material_phaseAt ( g , e )
if ( todo ( g , i , e ) . and . . not . ( nonlocalBroken . and . plasticState ( p ) % nonlocal ) ) then
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2020-04-01 15:00:01 +05:30
c = material_phaseMemberAt ( g , i , e )
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broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
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crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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if ( broken ) cycle
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2020-03-24 15:57:53 +05:30
sizeDotState = plasticState ( p ) % sizeDotState
plasticState ( p ) % state ( 1 : sizeDotState , c ) = plasticState ( p ) % subState0 ( 1 : sizeDotState , c ) &
+ plasticState ( p ) % dotState ( 1 : sizeDotState , c ) &
* crystallite_subdt ( g , i , e )
do s = 1 , phase_Nsources ( p )
sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) = sourceState ( p ) % p ( s ) % subState0 ( 1 : sizeDotState , c ) &
+ sourceState ( p ) % p ( s ) % dotState ( 1 : sizeDotState , c ) &
* crystallite_subdt ( g , i , e )
enddo
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broken = constitutive_deltaState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fe ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , g , i , e , p , c )
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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if ( broken ) cycle
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broken = integrateStress ( g , i , e )
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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crystallite_converged ( g , i , e ) = . not . broken
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endif
enddo ; enddo ; enddo
!$OMP END PARALLEL DO
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if ( nonlocalBroken ) call nonlocalConvergenceCheck
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2018-09-20 09:57:53 +05:30
end subroutine integrateStateEuler
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2013-02-22 04:38:36 +05:30
!--------------------------------------------------------------------------------------------------
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!> @brief integrate stress, state with 1st order Euler method with adaptive step size
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!--------------------------------------------------------------------------------------------------
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subroutine integrateStateAdaptiveEuler ( todo )
logical , dimension ( : , : , : ) , intent ( in ) :: todo
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2020-03-24 17:00:43 +05:30
integer :: &
e , & ! element index in element loop
i , & ! integration point index in ip loop
g , & ! grain index in grain loop
p , &
c , &
s , &
sizeDotState
logical :: &
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nonlocalBroken , broken
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2020-04-01 10:32:23 +05:30
real ( pReal ) , dimension ( constitutive_plasticity_maxSizeDotState ) :: residuum_plastic
real ( pReal ) , dimension ( constitutive_source_maxSizeDotState , maxval ( phase_Nsources ) ) :: residuum_source
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nonlocalBroken = . false .
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!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c,residuum_plastic,residuum_source,broken)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
do g = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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broken = . false .
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p = material_phaseAt ( g , e )
if ( todo ( g , i , e ) . and . . not . ( nonlocalBroken . and . plasticState ( p ) % nonlocal ) ) then
2020-03-24 17:00:43 +05:30
2020-04-01 15:00:01 +05:30
c = material_phaseMemberAt ( g , i , e )
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2020-04-01 12:09:49 +05:30
broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken ) cycle
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2020-03-24 17:00:43 +05:30
sizeDotState = plasticState ( p ) % sizeDotState
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residuum_plastic ( 1 : sizeDotState ) = - plasticState ( p ) % dotstate ( 1 : sizeDotState , c ) * 0.5_pReal * crystallite_subdt ( g , i , e )
2020-03-24 17:36:29 +05:30
plasticState ( p ) % state ( 1 : sizeDotState , c ) = plasticState ( p ) % subState0 ( 1 : sizeDotState , c ) &
+ plasticState ( p ) % dotstate ( 1 : sizeDotState , c ) * crystallite_subdt ( g , i , e )
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do s = 1 , phase_Nsources ( p )
sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
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residuum_source ( 1 : sizeDotState , s ) = - sourceState ( p ) % p ( s ) % dotstate ( 1 : sizeDotState , c ) &
* 0.5_pReal * crystallite_subdt ( g , i , e )
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sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) = sourceState ( p ) % p ( s ) % subState0 ( 1 : sizeDotState , c ) &
+ sourceState ( p ) % p ( s ) % dotstate ( 1 : sizeDotState , c ) * crystallite_subdt ( g , i , e )
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enddo
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2020-04-01 18:12:38 +05:30
broken = constitutive_deltaState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fe ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , g , i , e , p , c )
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if ( broken ) cycle
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broken = integrateStress ( g , i , e )
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if ( broken ) cycle
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2020-04-01 12:09:49 +05:30
broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken ) cycle
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sizeDotState = plasticState ( p ) % sizeDotState
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crystallite_converged ( g , i , e ) = converged ( residuum_plastic ( 1 : sizeDotState ) &
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+ 0.5_pReal * plasticState ( p ) % dotState ( : , c ) * crystallite_subdt ( g , i , e ) , &
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plasticState ( p ) % state ( 1 : sizeDotState , c ) , &
plasticState ( p ) % atol ( 1 : sizeDotState ) )
do s = 1 , phase_Nsources ( p )
sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
crystallite_converged ( g , i , e ) = &
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crystallite_converged ( g , i , e ) . and . converged ( residuum_source ( 1 : sizeDotState , s ) &
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+ 0.5_pReal * sourceState ( p ) % p ( s ) % dotState ( : , c ) * crystallite_subdt ( g , i , e ) , &
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sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) , &
sourceState ( p ) % p ( s ) % atol ( 1 : sizeDotState ) )
enddo
endif
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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enddo ; enddo ; enddo
!$OMP END PARALLEL DO
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if ( nonlocalBroken ) call nonlocalConvergenceCheck
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2019-01-15 08:57:57 +05:30
end subroutine integrateStateAdaptiveEuler
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2020-04-17 13:47:00 +05:30
!---------------------------------------------------------------------------------------------------
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!> @brief Integrate state (including stress integration) with the classic Runge Kutta method
2020-04-17 13:47:00 +05:30
!---------------------------------------------------------------------------------------------------
2020-04-01 12:24:20 +05:30
subroutine integrateStateRK4 ( todo )
logical , dimension ( : , : , : ) , intent ( in ) :: todo
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real ( pReal ) , dimension ( 3 , 3 ) , parameter :: &
A = reshape ( [ &
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0.5_pReal , 0.0_pReal , 0.0_pReal , &
0.0_pReal , 0.5_pReal , 0.0_pReal , &
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0.0_pReal , 0.0_pReal , 1.0_pReal ] , &
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shape ( A ) )
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real ( pReal ) , dimension ( 3 ) , parameter :: &
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C = [ 0.5_pReal , 0.5_pReal , 1.0_pReal ]
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real ( pReal ) , dimension ( 4 ) , parameter :: &
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B = [ 1.0_pReal / 6.0_pReal , 1.0_pReal / 3.0_pReal , 1.0_pReal / 3.0_pReal , 1.0_pReal / 6.0_pReal ]
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call integrateStateRK ( todo , A , B , C )
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end subroutine integrateStateRK4
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!---------------------------------------------------------------------------------------------------
!> @brief Integrate state (including stress integration) with the Cash-Carp method
!---------------------------------------------------------------------------------------------------
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subroutine integrateStateRKCK45 ( todo )
logical , dimension ( : , : , : ) , intent ( in ) :: todo
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real ( pReal ) , dimension ( 5 , 5 ) , parameter :: &
A = reshape ( [ &
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1._pReal / 5._pReal , . 0_pReal , . 0_pReal , . 0_pReal , . 0_pReal , &
3._pReal / 4 0._pReal , 9._pReal / 4 0._pReal , . 0_pReal , . 0_pReal , . 0_pReal , &
3_pReal / 1 0._pReal , - 9._pReal / 1 0._pReal , 6._pReal / 5._pReal , . 0_pReal , . 0_pReal , &
- 1 1._pReal / 5 4._pReal , 5._pReal / 2._pReal , - 7 0.0_pReal / 2 7.0_pReal , 3 5.0_pReal / 2 7.0_pReal , . 0_pReal , &
163 1._pReal / 5529 6._pReal , 17 5._pReal / 51 2._pReal , 57 5._pReal / 1382 4._pReal , 4427 5._pReal / 11059 2._pReal , 25 3._pReal / 409 6._pReal ] , &
shape ( A ) )
real ( pReal ) , dimension ( 5 ) , parameter :: &
C = [ 0.2_pReal , 0.3_pReal , 0.6_pReal , 1.0_pReal , 0.875_pReal ]
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real ( pReal ) , dimension ( 6 ) , parameter :: &
B = &
[ 3 7.0_pReal / 37 8.0_pReal , . 0_pReal , 25 0.0_pReal / 62 1.0_pReal , &
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12 5.0_pReal / 59 4.0_pReal , . 0_pReal , 51 2.0_pReal / 177 1.0_pReal ] , &
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DB = B - &
[ 282 5.0_pReal / 2764 8.0_pReal , . 0_pReal , 1857 5.0_pReal / 4838 4.0_pReal , &
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1352 5.0_pReal / 5529 6.0_pReal , 27 7.0_pReal / 1433 6.0_pReal , 1._pReal / 4._pReal ]
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call integrateStateRK ( todo , A , B , C , DB )
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end subroutine integrateStateRKCK45
!--------------------------------------------------------------------------------------------------
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!> @brief Integrate state (including stress integration) with an explicit Runge-Kutta method or an
!! embedded explicit Runge-Kutta method
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!--------------------------------------------------------------------------------------------------
subroutine integrateStateRK ( todo , A , B , CC , DB )
logical , dimension ( : , : , : ) , intent ( in ) :: todo
real ( pReal ) , dimension ( : , : ) , intent ( in ) :: A
real ( pReal ) , dimension ( : ) , intent ( in ) :: B , CC
real ( pReal ) , dimension ( : ) , intent ( in ) , optional :: DB
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integer :: &
e , & ! element index in element loop
i , & ! integration point index in ip loop
g , & ! grain index in grain loop
stage , & ! stage index in integration stage loop
n , &
p , &
c , &
s , &
sizeDotState
logical :: &
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nonlocalBroken , broken
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real ( pReal ) , dimension ( constitutive_source_maxSizeDotState , size ( B ) , maxval ( phase_Nsources ) ) :: source_RKdotState
real ( pReal ) , dimension ( constitutive_plasticity_maxSizeDotState , size ( B ) ) :: plastic_RKdotState
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nonlocalBroken = . false .
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!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c,plastic_RKdotState,source_RKdotState,broken)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
do g = 1 , homogenization_Ngrains ( material_homogenizationAt ( e ) )
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broken = . false .
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p = material_phaseAt ( g , e )
if ( todo ( g , i , e ) . and . . not . ( nonlocalBroken . and . plasticState ( p ) % nonlocal ) ) then
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c = material_phaseMemberAt ( g , i , e )
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broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
crystallite_subdt ( g , i , e ) , g , i , e , p , c )
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if ( broken ) cycle
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do stage = 1 , size ( A , 1 )
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sizeDotState = plasticState ( p ) % sizeDotState
plastic_RKdotState ( 1 : sizeDotState , stage ) = plasticState ( p ) % dotState ( : , c )
plasticState ( p ) % dotState ( : , c ) = A ( 1 , stage ) * plastic_RKdotState ( 1 : sizeDotState , 1 )
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do s = 1 , phase_Nsources ( p )
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sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
source_RKdotState ( 1 : sizeDotState , stage , s ) = sourceState ( p ) % p ( s ) % dotState ( : , c )
sourceState ( p ) % p ( s ) % dotState ( : , c ) = A ( 1 , stage ) * source_RKdotState ( 1 : sizeDotState , 1 , s )
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enddo
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do n = 2 , stage
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sizeDotState = plasticState ( p ) % sizeDotState
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plasticState ( p ) % dotState ( : , c ) = plasticState ( p ) % dotState ( : , c ) &
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+ A ( n , stage ) * plastic_RKdotState ( 1 : sizeDotState , n )
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do s = 1 , phase_Nsources ( p )
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sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
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sourceState ( p ) % p ( s ) % dotState ( : , c ) = sourceState ( p ) % p ( s ) % dotState ( : , c ) &
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+ A ( n , stage ) * source_RKdotState ( 1 : sizeDotState , n , s )
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enddo
enddo
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sizeDotState = plasticState ( p ) % sizeDotState
plasticState ( p ) % state ( 1 : sizeDotState , c ) = plasticState ( p ) % subState0 ( 1 : sizeDotState , c ) &
+ plasticState ( p ) % dotState ( 1 : sizeDotState , c ) &
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* crystallite_subdt ( g , i , e )
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do s = 1 , phase_Nsources ( p )
sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) = sourceState ( p ) % p ( s ) % subState0 ( 1 : sizeDotState , c ) &
+ sourceState ( p ) % p ( s ) % dotState ( 1 : sizeDotState , c ) &
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* crystallite_subdt ( g , i , e )
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enddo
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broken = integrateStress ( g , i , e , CC ( stage ) )
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if ( broken ) exit
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broken = constitutive_collectDotState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
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crystallite_partionedF0 , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_partionedFp0 , &
crystallite_subdt ( g , i , e ) * CC ( stage ) , g , i , e , p , c )
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if ( broken ) exit
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enddo
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if ( broken ) cycle
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sizeDotState = plasticState ( p ) % sizeDotState
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plastic_RKdotState ( 1 : sizeDotState , size ( B ) ) = plasticState ( p ) % dotState ( : , c )
plasticState ( p ) % dotState ( : , c ) = matmul ( plastic_RKdotState ( 1 : sizeDotState , 1 : size ( B ) ) , B )
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plasticState ( p ) % state ( 1 : sizeDotState , c ) = plasticState ( p ) % subState0 ( 1 : sizeDotState , c ) &
+ plasticState ( p ) % dotState ( 1 : sizeDotState , c ) &
* crystallite_subdt ( g , i , e )
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if ( present ( DB ) ) &
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broken = . not . converged ( matmul ( plastic_RKdotState ( 1 : sizeDotState , 1 : size ( DB ) ) , DB ) &
* crystallite_subdt ( g , i , e ) , &
plasticState ( p ) % state ( 1 : sizeDotState , c ) , &
plasticState ( p ) % atol ( 1 : sizeDotState ) )
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do s = 1 , phase_Nsources ( p )
sizeDotState = sourceState ( p ) % p ( s ) % sizeDotState
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source_RKdotState ( 1 : sizeDotState , size ( B ) , s ) = sourceState ( p ) % p ( s ) % dotState ( : , c )
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sourceState ( p ) % p ( s ) % dotState ( : , c ) = matmul ( source_RKdotState ( 1 : sizeDotState , 1 : size ( B ) , s ) , B )
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sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) = sourceState ( p ) % p ( s ) % subState0 ( 1 : sizeDotState , c ) &
+ sourceState ( p ) % p ( s ) % dotState ( 1 : sizeDotState , c ) &
* crystallite_subdt ( g , i , e )
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if ( present ( DB ) ) &
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broken = broken . or . . not . converged ( matmul ( source_RKdotState ( 1 : sizeDotState , 1 : size ( DB ) , s ) , DB ) &
* crystallite_subdt ( g , i , e ) , &
sourceState ( p ) % p ( s ) % state ( 1 : sizeDotState , c ) , &
sourceState ( p ) % p ( s ) % atol ( 1 : sizeDotState ) )
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enddo
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if ( broken ) cycle
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broken = constitutive_deltaState ( crystallite_S ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fe ( 1 : 3 , 1 : 3 , g , i , e ) , &
crystallite_Fi ( 1 : 3 , 1 : 3 , g , i , e ) , g , i , e , p , c )
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if ( broken ) cycle
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broken = integrateStress ( g , i , e )
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crystallite_converged ( g , i , e ) = . not . broken
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endif
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if ( broken . and . plasticState ( p ) % nonlocal ) nonlocalBroken = . true .
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enddo ; enddo ; enddo
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!$OMP END PARALLEL DO
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if ( nonlocalBroken ) call nonlocalConvergenceCheck
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end subroutine integrateStateRK
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!--------------------------------------------------------------------------------------------------
!> @brief sets convergence flag for nonlocal calculations
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!> @details one non-converged nonlocal sets all other nonlocals to non-converged to trigger cut back
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!--------------------------------------------------------------------------------------------------
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subroutine nonlocalConvergenceCheck
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integer :: e , i , p
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!$OMP PARALLEL DO PRIVATE(p)
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do e = FEsolving_execElem ( 1 ) , FEsolving_execElem ( 2 )
p = material_phaseAt ( 1 , e )
do i = FEsolving_execIP ( 1 ) , FEsolving_execIP ( 2 )
if ( plasticState ( p ) % nonlocal ) crystallite_converged ( 1 , i , e ) = . false .
enddo
enddo
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!$OMP END PARALLEL DO
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end subroutine nonlocalConvergenceCheck
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!--------------------------------------------------------------------------------------------------
!> @brief determines whether a point is converged
!--------------------------------------------------------------------------------------------------
logical pure function converged ( residuum , state , atol )
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real ( pReal ) , intent ( in ) , dimension ( : ) :: &
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residuum , state , atol
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real ( pReal ) :: &
rTol
rTol = num % rTol_crystalliteState
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converged = all ( abs ( residuum ) < = max ( atol , rtol * abs ( state ) ) )
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end function converged
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!--------------------------------------------------------------------------------------------------
!> @brief Write current restart information (Field and constitutive data) to file.
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! ToDo: Merge data into one file for MPI, move state to constitutive and homogenization, respectively
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!--------------------------------------------------------------------------------------------------
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subroutine crystallite_restartWrite
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integer :: i
integer ( HID_T ) :: fileHandle , groupHandle
character ( len = pStringLen ) :: fileName , datasetName
write ( 6 , '(a)' ) ' writing field and constitutive data required for restart to file' ; flush ( 6 )
write ( fileName , '(a,i0,a)' ) trim ( getSolverJobName ( ) ) / / '_' , worldrank , '.hdf5'
fileHandle = HDF5_openFile ( fileName , 'a' )
call HDF5_write ( fileHandle , crystallite_partionedF , 'F' )
call HDF5_write ( fileHandle , crystallite_Fp , 'Fp' )
call HDF5_write ( fileHandle , crystallite_Fi , 'Fi' )
call HDF5_write ( fileHandle , crystallite_Lp , 'Lp' )
call HDF5_write ( fileHandle , crystallite_Li , 'Li' )
call HDF5_write ( fileHandle , crystallite_S , 'S' )
groupHandle = HDF5_addGroup ( fileHandle , 'constituent' )
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do i = 1 , size ( material_name_phase )
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write ( datasetName , '(i0,a)' ) i , '_omega_plastic'
call HDF5_write ( groupHandle , plasticState ( i ) % state , datasetName )
enddo
call HDF5_closeGroup ( groupHandle )
groupHandle = HDF5_addGroup ( fileHandle , 'materialpoint' )
do i = 1 , material_Nhomogenization
write ( datasetName , '(i0,a)' ) i , '_omega_homogenization'
call HDF5_write ( groupHandle , homogState ( i ) % state , datasetName )
enddo
call HDF5_closeGroup ( groupHandle )
call HDF5_closeFile ( fileHandle )
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end subroutine crystallite_restartWrite
!--------------------------------------------------------------------------------------------------
!> @brief Read data for restart
! ToDo: Merge data into one file for MPI, move state to constitutive and homogenization, respectively
!--------------------------------------------------------------------------------------------------
subroutine crystallite_restartRead
integer :: i
integer ( HID_T ) :: fileHandle , groupHandle
character ( len = pStringLen ) :: fileName , datasetName
write ( 6 , '(/,a,i0,a)' ) ' reading restart information of increment from file'
write ( fileName , '(a,i0,a)' ) trim ( getSolverJobName ( ) ) / / '_' , worldrank , '.hdf5'
fileHandle = HDF5_openFile ( fileName )
call HDF5_read ( fileHandle , crystallite_F0 , 'F' )
call HDF5_read ( fileHandle , crystallite_Fp0 , 'Fp' )
call HDF5_read ( fileHandle , crystallite_Fi0 , 'Fi' )
call HDF5_read ( fileHandle , crystallite_Lp0 , 'Lp' )
call HDF5_read ( fileHandle , crystallite_Li0 , 'Li' )
call HDF5_read ( fileHandle , crystallite_S0 , 'S' )
groupHandle = HDF5_openGroup ( fileHandle , 'constituent' )
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do i = 1 , size ( material_name_phase )
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write ( datasetName , '(i0,a)' ) i , '_omega_plastic'
call HDF5_read ( groupHandle , plasticState ( i ) % state0 , datasetName )
enddo
call HDF5_closeGroup ( groupHandle )
groupHandle = HDF5_openGroup ( fileHandle , 'materialpoint' )
do i = 1 , material_Nhomogenization
write ( datasetName , '(i0,a)' ) i , '_omega_homogenization'
call HDF5_read ( groupHandle , homogState ( i ) % state0 , datasetName )
enddo
call HDF5_closeGroup ( groupHandle )
call HDF5_closeFile ( fileHandle )
end subroutine crystallite_restartRead
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!--------------------------------------------------------------------------------------------------
!> @brief Forward data after successful increment.
! ToDo: Any guessing for the current states possible?
!--------------------------------------------------------------------------------------------------
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subroutine crystallite_forward
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integer :: i , j
crystallite_F0 = crystallite_partionedF
crystallite_Fp0 = crystallite_Fp
crystallite_Lp0 = crystallite_Lp
crystallite_Fi0 = crystallite_Fi
crystallite_Li0 = crystallite_Li
crystallite_S0 = crystallite_S
do i = 1 , size ( plasticState )
plasticState ( i ) % state0 = plasticState ( i ) % state
enddo
do i = 1 , size ( sourceState )
do j = 1 , phase_Nsources ( i )
sourceState ( i ) % p ( j ) % state0 = sourceState ( i ) % p ( j ) % state
enddo ; enddo
do i = 1 , material_Nhomogenization
homogState ( i ) % state0 = homogState ( i ) % state
thermalState ( i ) % state0 = thermalState ( i ) % state
damageState ( i ) % state0 = damageState ( i ) % state
enddo
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end subroutine crystallite_forward
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end module crystallite
