DAMASK_EICMD/src/crystallite.f90

1801 lines
95 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @author Franz Roters, Max-Planck-Institut für Eisenforschung GmbH
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @author Christoph Kords, Max-Planck-Institut für Eisenforschung GmbH
!> @author Chen Zhang, Michigan State University
!> @brief crystallite state integration functions and reporting of results
!--------------------------------------------------------------------------------------------------
module crystallite
use prec
use IO
use HDF5_utilities
use DAMASK_interface
use config
use debug
use numerics
use rotations
use math
use FEsolving
use material
use constitutive
use discretization
use lattice
use results
implicit none
private
real(pReal), dimension(:,:,:), allocatable, public :: &
crystallite_dt !< requested time increment of each grain
real(pReal), dimension(:,:,:), allocatable :: &
crystallite_subdt, & !< substepped time increment of each grain
crystallite_subFrac, & !< already calculated fraction of increment
crystallite_subStep !< size of next integration step
type(rotation), dimension(:,:,:), allocatable :: &
crystallite_orientation !< current orientation
real(pReal), dimension(:,:,:,:,:), allocatable, public, protected :: &
crystallite_Fe, & !< current "elastic" def grad (end of converged time step)
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
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
real(pReal), dimension(:,:,:,:,:), allocatable :: &
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
real(pReal), dimension(:,:,:,:,:,:,:), allocatable, public, protected :: &
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
logical, dimension(:,:,:), allocatable :: &
crystallite_converged, & !< convergence flag
crystallite_localPlasticity !< indicates this grain to have purely local constitutive law
type :: tOutput !< new requested output (per phase)
character(len=pStringLen), allocatable, dimension(:) :: &
label
end type tOutput
type(tOutput), allocatable, dimension(:) :: output_constituent
type :: tNumerics
integer :: &
iJacoLpresiduum, & !< frequency of Jacobian update of residuum in Lp
nState, & !< state loop limit
nStress !< stress loop limit
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
rtol_crystalliteState, & !< relative tolerance in state loop
rtol_crystalliteStress, & !< relative tolerance in stress loop
atol_crystalliteStress !< absolute tolerance in stress loop
end type tNumerics
type(tNumerics) :: num ! numerics parameters. Better name?
procedure(integrateStateFPI), pointer :: integrateState
public :: &
crystallite_init, &
crystallite_stress, &
crystallite_stressTangent, &
crystallite_orientations, &
crystallite_push33ToRef, &
crystallite_results, &
crystallite_restartWrite, &
crystallite_restartRead, &
crystallite_forward
contains
!--------------------------------------------------------------------------------------------------
!> @brief allocates and initialize per grain variables
!--------------------------------------------------------------------------------------------------
subroutine crystallite_init
logical, dimension(discretization_nIP,discretization_nElem) :: devNull
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
myNcomponents !< number of components at current IP
write(6,'(/,a)') ' <<<+- crystallite init -+>>>'
cMax = homogenization_maxNgrains
iMax = discretization_nIP
eMax = discretization_nElem
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)
allocate(crystallite_orientation(cMax,iMax,eMax))
allocate(crystallite_localPlasticity(cMax,iMax,eMax), source=.true.)
allocate(crystallite_requested(cMax,iMax,eMax), source=.false.)
allocate(crystallite_converged(cMax,iMax,eMax), source=.true.)
num%subStepMinCryst = config_numerics%getFloat('substepmincryst', defaultVal=1.0e-3_pReal)
num%subStepSizeCryst = config_numerics%getFloat('substepsizecryst', defaultVal=0.25_pReal)
num%stepIncreaseCryst = config_numerics%getFloat('stepincreasecryst', defaultVal=1.5_pReal)
num%subStepSizeLp = config_numerics%getFloat('substepsizelp', defaultVal=0.5_pReal)
num%subStepSizeLi = config_numerics%getFloat('substepsizeli', defaultVal=0.5_pReal)
num%rtol_crystalliteState = config_numerics%getFloat('rtol_crystallitestate', defaultVal=1.0e-6_pReal)
num%rtol_crystalliteStress = config_numerics%getFloat('rtol_crystallitestress',defaultVal=1.0e-6_pReal)
num%atol_crystalliteStress = config_numerics%getFloat('atol_crystallitestress',defaultVal=1.0e-8_pReal)
num%iJacoLpresiduum = config_numerics%getInt ('ijacolpresiduum', defaultVal=1)
num%nState = config_numerics%getInt ('nstate', defaultVal=20)
num%nStress = config_numerics%getInt ('nstress', defaultVal=40)
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')
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')
if(num%iJacoLpresiduum < 1) call IO_error(301,ext_msg='iJacoLpresiduum')
if(num%nState < 1) call IO_error(301,ext_msg='nState')
if(num%nStress< 1) call IO_error(301,ext_msg='nStress')
select case(numerics_integrator)
case(1)
integrateState => integrateStateFPI
case(2)
integrateState => integrateStateEuler
case(3)
integrateState => integrateStateAdaptiveEuler
case(4)
integrateState => integrateStateRK4
case(5)
integrateState => integrateStateRKCK45
end select
allocate(output_constituent(size(config_phase)))
do c = 1, size(config_phase)
#if defined(__GFORTRAN__)
allocate(output_constituent(c)%label(1))
output_constituent(c)%label(1)= 'GfortranBug86277'
output_constituent(c)%label = config_phase(c)%getStrings('(output)',defaultVal=output_constituent(c)%label )
if (output_constituent(c)%label (1) == 'GfortranBug86277') output_constituent(c)%label = [character(len=pStringLen)::]
#else
output_constituent(c)%label = config_phase(c)%getStrings('(output)',defaultVal=[character(len=pStringLen)::])
#endif
enddo
call config_deallocate('material.config/phase')
!--------------------------------------------------------------------------------------------------
! initialize
!$OMP PARALLEL DO PRIVATE(myNcomponents,i,c)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
myNcomponents = homogenization_Ngrains(material_homogenizationAt(e))
do i = FEsolving_execIP(1), FEsolving_execIP(2); do c = 1, myNcomponents
crystallite_Fp0(1:3,1:3,c,i,e) = material_orientation0(c,i,e)%asMatrix() ! plastic def gradient reflects init orientation
crystallite_Fp0(1:3,1:3,c,i,e) = crystallite_Fp0(1:3,1:3,c,i,e) &
/ math_det33(crystallite_Fp0(1:3,1:3,c,i,e))**(1.0_pReal/3.0_pReal)
crystallite_Fi0(1:3,1:3,c,i,e) = constitutive_initialFi(c,i,e)
crystallite_F0(1:3,1:3,c,i,e) = math_I3
crystallite_localPlasticity(c,i,e) = phase_localPlasticity(material_phaseAt(c,e))
crystallite_Fe(1:3,1:3,c,i,e) = math_inv33(matmul(crystallite_Fi0(1:3,1:3,c,i,e), &
crystallite_Fp0(1:3,1:3,c,i,e))) ! assuming that euler angles are given in internal strain free configuration
crystallite_Fp(1:3,1:3,c,i,e) = crystallite_Fp0(1:3,1:3,c,i,e)
crystallite_Fi(1:3,1:3,c,i,e) = crystallite_Fi0(1:3,1:3,c,i,e)
crystallite_requested(c,i,e) = .true.
enddo; enddo
enddo
!$OMP END PARALLEL DO
if(any(.not. crystallite_localPlasticity) .and. .not. usePingPong) call IO_error(601) ! exit if nonlocal but no ping-pong ToDo: Why not check earlier? or in nonlocal?
crystallite_partionedFp0 = crystallite_Fp0
crystallite_partionedFi0 = crystallite_Fi0
crystallite_partionedF0 = crystallite_F0
crystallite_partionedF = crystallite_F0
call crystallite_orientations()
!$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
call constitutive_dependentState(crystallite_partionedF0(1:3,1:3,c,i,e), &
crystallite_partionedFp0(1:3,1:3,c,i,e), &
c,i,e) ! update dependent state variables to be consistent with basic states
enddo
enddo
enddo
!$OMP END PARALLEL DO
devNull = crystallite_stress()
call crystallite_stressTangent
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) then
write(6,'(a42,1x,i10)') ' # of elements: ', eMax
write(6,'(a42,1x,i10)') ' # of integration points/element: ', iMax
write(6,'(a42,1x,i10)') 'max # of constituents/integration point: ', cMax
write(6,'(a42,1x,i10)') ' # of nonlocal constituents: ',count(.not. crystallite_localPlasticity)
flush(6)
endif
call debug_info
call debug_reset
#endif
end subroutine crystallite_init
!--------------------------------------------------------------------------------------------------
!> @brief calculate stress (P)
!--------------------------------------------------------------------------------------------------
function crystallite_stress(dummyArgumentToPreventInternalCompilerErrorWithGCC)
logical, dimension(discretization_nIP,discretization_nElem) :: crystallite_stress
real(pReal), intent(in), optional :: &
dummyArgumentToPreventInternalCompilerErrorWithGCC
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, &
s
logical, dimension(homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: todo !ToDo: need to set some values to false in hase of different Ngrains
#ifdef DEBUG
if (iand(debug_level(debug_crystallite),debug_levelSelective) /= 0 &
.and. FEsolving_execElem(1) <= debug_e &
.and. debug_e <= FEsolving_execElem(2)) then
write(6,'(/,a,i8,1x,i2,1x,i3)') '<< CRYST stress >> boundary and initial values at el ip ipc ', &
debug_e,debug_i, debug_g
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> F ', &
transpose(crystallite_partionedF(1:3,1:3,debug_g,debug_i,debug_e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> F0 ', &
transpose(crystallite_partionedF0(1:3,1:3,debug_g,debug_i,debug_e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Fp0', &
transpose(crystallite_partionedFp0(1:3,1:3,debug_g,debug_i,debug_e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Fi0', &
transpose(crystallite_partionedFi0(1:3,1:3,debug_g,debug_i,debug_e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Lp0', &
transpose(crystallite_partionedLp0(1:3,1:3,debug_g,debug_i,debug_e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Li0', &
transpose(crystallite_partionedLi0(1:3,1:3,debug_g,debug_i,debug_e))
endif
#endif
!--------------------------------------------------------------------------------------------------
! initialize to starting condition
crystallite_subStep = 0.0_pReal
!$OMP PARALLEL DO
elementLooping1: do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2); do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
homogenizationRequestsCalculation: if (crystallite_requested(c,i,e)) then
plasticState (material_phaseAt(c,e))%subState0( :,material_phaseMemberAt(c,i,e)) = &
plasticState (material_phaseAt(c,e))%partionedState0(:,material_phaseMemberAt(c,i,e))
do s = 1, phase_Nsources(material_phaseAt(c,e))
sourceState(material_phaseAt(c,e))%p(s)%subState0( :,material_phaseMemberAt(c,i,e)) = &
sourceState(material_phaseAt(c,e))%p(s)%partionedState0(:,material_phaseMemberAt(c,i,e))
enddo
crystallite_subFp0(1:3,1:3,c,i,e) = crystallite_partionedFp0(1:3,1:3,c,i,e)
crystallite_subLp0(1:3,1:3,c,i,e) = crystallite_partionedLp0(1:3,1:3,c,i,e)
crystallite_subFi0(1:3,1:3,c,i,e) = crystallite_partionedFi0(1:3,1:3,c,i,e)
crystallite_subLi0(1:3,1:3,c,i,e) = crystallite_partionedLi0(1:3,1:3,c,i,e)
crystallite_subF0(1:3,1:3,c,i,e) = crystallite_partionedF0(1:3,1:3,c,i,e)
crystallite_subFrac(c,i,e) = 0.0_pReal
crystallite_subStep(c,i,e) = 1.0_pReal/num%subStepSizeCryst
todo(c,i,e) = .true.
crystallite_converged(c,i,e) = .false. ! pretend failed step of 1/subStepSizeCryst
endif homogenizationRequestsCalculation
enddo; enddo
enddo elementLooping1
!$OMP END PARALLEL DO
singleRun: if (FEsolving_execELem(1) == FEsolving_execElem(2) .and. &
FEsolving_execIP (1) == FEsolving_execIP (2)) then
startIP = FEsolving_execIP(1)
endIP = startIP
else singleRun
startIP = 1
endIP = discretization_nIP
endif singleRun
NiterationCrystallite = 0
cutbackLooping: do while (any(todo(:,startIP:endIP,FEsolving_execELem(1):FEsolving_execElem(2))))
NiterationCrystallite = NiterationCrystallite + 1
#ifdef DEBUG
if (iand(debug_level(debug_crystallite),debug_levelExtensive) /= 0) &
write(6,'(a,i6)') '<< CRYST stress >> crystallite iteration ',NiterationCrystallite
#endif
!$OMP PARALLEL DO PRIVATE(formerSubStep)
elementLooping3: do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
!--------------------------------------------------------------------------------------------------
! wind forward
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), &
num%stepIncreaseCryst * crystallite_subStep(c,i,e))
todo(c,i,e) = crystallite_subStep(c,i,e) > 0.0_pReal ! still time left to integrate on?
if (todo(c,i,e)) then
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
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))
enddo
endif
!--------------------------------------------------------------------------------------------------
! cut back (reduced time and restore)
else
crystallite_subStep(c,i,e) = num%subStepSizeCryst * crystallite_subStep(c,i,e)
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
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))
enddo
! cant restore dotState here, since not yet calculated in first cutback after initialization
todo(c,i,e) = crystallite_subStep(c,i,e) > num%subStepMinCryst ! still on track or already done (beyond repair)
endif
!--------------------------------------------------------------------------------------------------
! prepare for integration
if (todo(c,i,e)) then
crystallite_subF(1:3,1:3,c,i,e) = crystallite_subF0(1:3,1:3,c,i,e) &
+ 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), &
math_inv33(crystallite_Fp(1:3,1:3,c,i,e))), &
math_inv33(crystallite_Fi(1:3,1:3,c,i,e)))
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
!--------------------------------------------------------------------------------------------------
! integrate --- requires fully defined state array (basic + dependent state)
if (any(todo)) call integrateState(todo) ! TODO: unroll into proper elementloop to avoid N^2 for single point evaluation
where(.not. crystallite_converged .and. crystallite_subStep > num%subStepMinCryst) & ! do not try non-converged but fully cutbacked any further
todo = .true. ! TODO: again unroll this into proper elementloop to avoid N^2 for single point evaluation
enddo cutbackLooping
! return whether converged or not
crystallite_stress = .false.
elementLooping5: do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
crystallite_stress(i,e) = all(crystallite_converged(:,i,e))
enddo
enddo elementLooping5
end function crystallite_stress
!--------------------------------------------------------------------------------------------------
!> @brief calculate tangent (dPdF)
!--------------------------------------------------------------------------------------------------
subroutine crystallite_stressTangent
integer :: &
c, & !< counter in integration point component loop
i, & !< counter in integration point loop
e, & !< counter in element loop
o, &
p
real(pReal), dimension(3,3) :: devNull, &
invSubFp0,invSubFi0,invFp,invFi, &
temp_33_1, temp_33_2, temp_33_3, temp_33_4
real(pReal), dimension(3,3,3,3) :: dSdFe, &
dSdF, &
dSdFi, &
dLidS, & ! tangent in lattice configuration
dLidFi, &
dLpdS, &
dLpdFi, &
dFidS, &
dFpinvdF, &
rhs_3333, &
lhs_3333, &
temp_3333
real(pReal), dimension(9,9):: temp_99
logical :: error
!$OMP PARALLEL DO PRIVATE(dSdF,dSdFe,dSdFi,dLpdS,dLpdFi,dFpinvdF,dLidS,dLidFi,dFidS,o,p, &
!$OMP invSubFp0,invSubFi0,invFp,invFi, &
!$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)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
call constitutive_SandItsTangents(devNull,dSdFe,dSdFi, &
crystallite_Fe(1:3,1:3,c,i,e), &
crystallite_Fi(1:3,1:3,c,i,e),c,i,e)
call constitutive_LiAndItsTangents(devNull,dLidS,dLidFi, &
crystallite_S (1:3,1:3,c,i,e), &
crystallite_Fi(1:3,1:3,c,i,e), &
c,i,e)
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))
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) &
+ invFi*invFi(p,o)
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))
enddo; enddo
call math_invert(temp_99,error,math_3333to99(lhs_3333))
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
!--------------------------------------------------------------------------------------------------
! calculate dSdF
temp_33_1 = transpose(matmul(invFp,invFi))
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)
do o=1,3; do p=1,3
rhs_3333(p,o,1:3,1:3) = matmul(dSdFe(p,o,1:3,1:3),temp_33_1)
temp_3333(1:3,1:3,p,o) = matmul(matmul(temp_33_2,dLpdS(1:3,1:3,p,o)), invFi) &
+ matmul(temp_33_3,dLidS(1:3,1:3,p,o))
enddo; enddo
lhs_3333 = crystallite_subdt(c,i,e)*math_mul3333xx3333(dSdFe,temp_3333) &
+ math_mul3333xx3333(dSdFi,dFidS)
call math_invert(temp_99,error,math_identity2nd(9)+math_3333to99(lhs_3333))
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
!--------------------------------------------------------------------------------------------------
! calculate dFpinvdF
temp_3333 = math_mul3333xx3333(dLpdS,dSdF)
do o=1,3; do p=1,3
dFpinvdF(1:3,1:3,p,o) = -crystallite_subdt(c,i,e) &
* matmul(invSubFp0, matmul(temp_3333(1:3,1:3,p,o),invFi))
enddo; enddo
!--------------------------------------------------------------------------------------------------
! assemble dPdF
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)
temp_33_4 = matmul(temp_33_3,crystallite_S(1:3,1:3,c,i,e))
crystallite_dPdF(1:3,1:3,1:3,1:3,c,i,e) = 0.0_pReal
do p=1,3
crystallite_dPdF(p,1:3,p,1:3,c,i,e) = transpose(temp_33_2)
enddo
do o=1,3; do p=1,3
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)), &
transpose(invFp)) &
+ matmul(temp_33_4,transpose(dFpinvdF(1:3,1:3,p,o)))
enddo; enddo
enddo; enddo
enddo elementLooping
!$OMP END PARALLEL DO
end subroutine crystallite_stressTangent
!--------------------------------------------------------------------------------------------------
!> @brief calculates orientations
!--------------------------------------------------------------------------------------------------
subroutine crystallite_orientations
integer &
c, & !< counter in integration point component loop
i, & !< counter in integration point loop
e !< counter in element loop
!$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
call crystallite_orientation(c,i,e)%fromMatrix(transpose(math_rotationalPart(crystallite_Fe(1:3,1:3,c,i,e))))
enddo; enddo; enddo
!$OMP END PARALLEL DO
nonlocalPresent: if (any(plasticState%nonLocal)) then
!$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
if (plasticState(material_phaseAt(1,e))%nonLocal) &
call plastic_nonlocal_updateCompatibility(crystallite_orientation, &
phase_plasticityInstance(material_phaseAt(i,e)),i,e)
enddo; enddo
!$OMP END PARALLEL DO
endif nonlocalPresent
end subroutine crystallite_orientations
!--------------------------------------------------------------------------------------------------
!> @brief Map 2nd order tensor to reference config
!--------------------------------------------------------------------------------------------------
function crystallite_push33ToRef(ipc,ip,el, tensor33)
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
T = matmul(material_orientation0(ipc,ip,el)%asMatrix(), & ! ToDo: initial orientation correct?
transpose(math_inv33(crystallite_subF(1:3,1:3,ipc,ip,el))))
crystallite_push33ToRef = matmul(transpose(T),matmul(tensor33,T))
end function crystallite_push33ToRef
!--------------------------------------------------------------------------------------------------
!> @brief writes crystallite results to HDF5 output file
!--------------------------------------------------------------------------------------------------
subroutine crystallite_results
integer :: p,o
real(pReal), allocatable, dimension(:,:,:) :: selected_tensors
type(rotation), allocatable, dimension(:) :: selected_rotations
character(len=pStringLen) :: group,structureLabel
do p=1,size(config_name_phase)
group = trim('current/constituent')//'/'//trim(config_name_phase(p))//'/generic'
call results_closeGroup(results_addGroup(group))
do o = 1, size(output_constituent(p)%label)
select case (output_constituent(p)%label(o))
case('f')
selected_tensors = select_tensors(crystallite_partionedF,p)
call results_writeDataset(group,selected_tensors,'F',&
'deformation gradient','1')
case('fe')
selected_tensors = select_tensors(crystallite_Fe,p)
call results_writeDataset(group,selected_tensors,'Fe',&
'elastic deformation gradient','1')
case('fp')
selected_tensors = select_tensors(crystallite_Fp,p)
call results_writeDataset(group,selected_tensors,'Fp',&
'plastic deformation gradient','1')
case('fi')
selected_tensors = select_tensors(crystallite_Fi,p)
call results_writeDataset(group,selected_tensors,'Fi',&
'inelastic deformation gradient','1')
case('lp')
selected_tensors = select_tensors(crystallite_Lp,p)
call results_writeDataset(group,selected_tensors,'Lp',&
'plastic velocity gradient','1/s')
case('li')
selected_tensors = select_tensors(crystallite_Li,p)
call results_writeDataset(group,selected_tensors,'Li',&
'inelastic velocity gradient','1/s')
case('p')
selected_tensors = select_tensors(crystallite_P,p)
call results_writeDataset(group,selected_tensors,'P',&
'First Piola-Kirchoff stress','Pa')
case('s')
selected_tensors = select_tensors(crystallite_S,p)
call results_writeDataset(group,selected_tensors,'S',&
'Second Piola-Kirchoff stress','Pa')
case('orientation')
select case(lattice_structure(p))
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'
end select
selected_rotations = select_rotations(crystallite_orientation,p)
call results_writeDataset(group,selected_rotations,'orientation',&
'crystal orientation as quaternion',structureLabel)
end select
enddo
enddo
contains
!------------------------------------------------------------------------------------------------
!> @brief select tensors for output
!------------------------------------------------------------------------------------------------
function select_tensors(dataset,instance)
integer, intent(in) :: instance
real(pReal), dimension(:,:,:,:,:), intent(in) :: dataset
real(pReal), allocatable, dimension(:,:,:) :: select_tensors
integer :: e,i,c,j
allocate(select_tensors(3,3,count(material_phaseAt==instance)*discretization_nIP))
j=0
do e = 1, size(material_phaseAt,2)
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
enddo
enddo
enddo
end function select_tensors
!--------------------------------------------------------------------------------------------------
!> @brief select rotations for output
!--------------------------------------------------------------------------------------------------
function select_rotations(dataset,instance)
integer, intent(in) :: instance
type(rotation), dimension(:,:,:), intent(in) :: dataset
type(rotation), allocatable, dimension(:) :: select_rotations
integer :: e,i,c,j
allocate(select_rotations(count(material_phaseAt==instance)*homogenization_maxNgrains*discretization_nIP))
j=0
do e = 1, size(material_phaseAt,2)
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_rotations(j) = dataset(c,i,e)
endif
enddo
enddo
enddo
end function select_rotations
end subroutine crystallite_results
!--------------------------------------------------------------------------------------------------
!> @brief calculation of stress (P) with time integration based on a residuum in Lp and
!> intermediate acceleration of the Newton-Raphson correction
!--------------------------------------------------------------------------------------------------
function integrateStress(ipc,ip,el,timeFraction) result(broken)
integer, intent(in):: el, & ! element index
ip, & ! integration point index
ipc ! grain index
real(pReal), optional, intent(in) :: timeFraction ! fraction of timestep
real(pReal), dimension(3,3):: F, & ! deformation gradient at end of timestep
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
Fi_new, & ! gradient of intermediate deformation stages
invFi_new, &
invFi_current, & ! inverse of Fi_current
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
Fe, & ! elastic deformation gradient
S, & ! 2nd Piola-Kirchhoff Stress in plastic (lattice) configuration
A, &
B, &
temp_33
real(pReal), dimension(9) :: temp_9 ! needed for matrix inversion by LAPACK
integer, dimension(9) :: devNull_9 ! needed for matrix inversion by LAPACK
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
real(pReal) steplengthLp, &
steplengthLi, &
dt, & ! time increment
atol_Lp, &
atol_Li, &
devNull
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
logical :: error,broken
external :: &
dgesv
broken = .true.
if (present(timeFraction)) then
dt = crystallite_subdt(ipc,ip,el) * timeFraction
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
else
dt = crystallite_subdt(ipc,ip,el)
F = crystallite_subF(1:3,1:3,ipc,ip,el)
endif
call constitutive_dependentState(crystallite_partionedF(1:3,1:3,ipc,ip,el), &
crystallite_Fp(1:3,1:3,ipc,ip,el),ipc,ip,el)
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
call math_invert33(invFp_current,devNull,error,crystallite_subFp0(1:3,1:3,ipc,ip,el))
if (error) return ! error
call math_invert33(invFi_current,devNull,error,crystallite_subFi0(1:3,1:3,ipc,ip,el))
if (error) return ! error
A = matmul(F,invFp_current) ! intermediate tensor needed later to calculate dFe_dLp
jacoCounterLi = 0
steplengthLi = 1.0_pReal
residuumLi_old = 0.0_pReal
Liguess_old = Liguess
NiterationStressLi = 0
LiLoop: do
NiterationStressLi = NiterationStressLi + 1
if (NiterationStressLi>num%nStress) return ! error
invFi_new = matmul(invFi_current,math_I3 - dt*Liguess)
Fi_new = math_inv33(invFi_new)
jacoCounterLp = 0
steplengthLp = 1.0_pReal
residuumLp_old = 0.0_pReal
Lpguess_old = Lpguess
NiterationStressLp = 0
LpLoop: do
NiterationStressLp = NiterationStressLp + 1
if (NiterationStressLp>num%nStress) return ! error
B = math_I3 - dt*Lpguess
Fe = matmul(matmul(A,B), invFi_new)
call constitutive_SandItsTangents(S, dS_dFe, dS_dFi, &
Fe, Fi_new, ipc, ip, el)
call constitutive_LpAndItsTangents(Lp_constitutive, dLp_dS, dLp_dFi, &
S, Fi_new, ipc, ip, el)
!* update current residuum and check for convergence of loop
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
residuumLp = Lpguess - Lp_constitutive
if (any(IEEE_is_NaN(residuumLp))) then
return ! error
elseif (norm2(residuumLp) < atol_Lp) then ! converged if below absolute tolerance
exit LpLoop
elseif (NiterationStressLp == 1 .or. norm2(residuumLp) < norm2(residuumLp_old)) then ! not converged, but improved norm of residuum (always proceed in first iteration)...
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...
steplengthLp = num%subStepSizeLp * steplengthLp ! ...try with smaller step length in same direction
Lpguess = Lpguess_old &
+ deltaLp * stepLengthLp
cycle LpLoop
endif
calculateJacobiLi: if (mod(jacoCounterLp, num%iJacoLpresiduum) == 0) then
jacoCounterLp = jacoCounterLp + 1
do o=1,3; do p=1,3
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)
enddo; enddo
dRLp_dLp = math_identity2nd(9) &
- math_3333to99(math_mul3333xx3333(math_mul3333xx3333(dLp_dS,dS_dFe),dFe_dLp))
temp_9 = math_33to9(residuumLp)
call dgesv(9,1,dRLp_dLp,9,devNull_9,temp_9,9,ierr) ! solve dRLp/dLp * delta Lp = -res for delta Lp
if (ierr /= 0) return ! error
deltaLp = - math_9to33(temp_9)
endif calculateJacobiLi
Lpguess = Lpguess &
+ deltaLp * steplengthLp
enddo LpLoop
call constitutive_LiAndItsTangents(Li_constitutive, dLi_dS, dLi_dFi, &
S, Fi_new, ipc, ip, el)
!* update current residuum and check for convergence of loop
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
residuumLi = Liguess - Li_constitutive
if (any(IEEE_is_NaN(residuumLi))) then
return ! error
elseif (norm2(residuumLi) < atol_Li) then ! converged if below absolute tolerance
exit LiLoop
elseif (NiterationStressLi == 1 .or. norm2(residuumLi) < norm2(residuumLi_old)) then ! not converged, but improved norm of residuum (always proceed in first iteration)...
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...
steplengthLi = num%subStepSizeLi * steplengthLi ! ...try with smaller step length in same direction
Liguess = Liguess_old &
+ deltaLi * steplengthLi
cycle LiLoop
endif
calculateJacobiLp: if (mod(jacoCounterLi, num%iJacoLpresiduum) == 0) then
jacoCounterLi = jacoCounterLi + 1
temp_33 = matmul(matmul(A,B),invFi_current)
do o=1,3; do p=1,3
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
enddo; enddo
do o=1,3; do p=1,3
dFi_dLi(1:3,1:3,o,p) = matmul(matmul(Fi_new,dFi_dLi(1:3,1:3,o,p)),Fi_new)
enddo; enddo
dRLi_dLi = math_identity2nd(9) &
- math_3333to99(math_mul3333xx3333(dLi_dS, math_mul3333xx3333(dS_dFe, dFe_dLi) &
+ math_mul3333xx3333(dS_dFi, dFi_dLi))) &
- math_3333to99(math_mul3333xx3333(dLi_dFi, dFi_dLi))
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)
endif calculateJacobiLp
Liguess = Liguess &
+ deltaLi * steplengthLi
enddo LiLoop
invFp_new = matmul(invFp_current,B)
call math_invert33(Fp_new,devNull,error,invFp_new)
if (error) return ! error
crystallite_P (1:3,1:3,ipc,ip,el) = matmul(matmul(F,invFp_new),matmul(S,transpose(invFp_new)))
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
crystallite_Fp (1:3,1:3,ipc,ip,el) = Fp_new / math_det33(Fp_new)**(1.0_pReal/3.0_pReal) ! regularize
crystallite_Fi (1:3,1:3,ipc,ip,el) = Fi_new
crystallite_Fe (1:3,1:3,ipc,ip,el) = matmul(matmul(F,invFp_new),invFi_new)
broken = .false.
end function integrateStress
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with adaptive 1st order explicit Euler method
!> using Fixed Point Iteration to adapt the stepsize
!--------------------------------------------------------------------------------------------------
subroutine integrateStateFPI(todo)
logical, dimension(:,:,:), intent(in) :: todo
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, &
sizeDotState
real(pReal) :: &
zeta
real(pReal), dimension(max(constitutive_plasticity_maxSizeDotState,constitutive_source_maxSizeDotState)) :: &
r ! state residuum
real(pReal), dimension(:), allocatable :: plastic_dotState_p1, plastic_dotState_p2
real(pReal), dimension(constitutive_source_maxSizeDotState,2,maxval(phase_Nsources)) :: source_dotState
logical :: &
nonlocalBroken, broken
nonlocalBroken = .false.
!$OMP PARALLEL DO PRIVATE(sizeDotState,r,zeta,p,c,plastic_dotState_p1, plastic_dotState_p2,source_dotState,broken)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
if(todo(g,i,e) .and. (.not. nonlocalBroken .or. crystallite_localPlasticity(g,i,e)) ) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
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)
plastic_dotState_p2 = 0.0_pReal * plasticState(p)%dotState (1:sizeDotState,c) ! ToDo can be done smarter/clearer
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)
source_dotState(1:sizeDotState,2,s) = 0.0_pReal
enddo
iteration: do NiterationState = 1, num%nState
if(nIterationState > 1) plastic_dotState_p2 = plastic_dotState_p1
plastic_dotState_p1 = plasticState(p)%dotState(:,c)
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
if(nIterationState > 1) source_dotState(1:sizeDotState,2,s) = source_dotState(1:sizeDotState,1,s)
source_dotState(1:sizeDotState,1,s) = sourceState(p)%p(s)%dotState(:,c)
enddo
broken = integrateStress(g,i,e)
if(broken) exit iteration
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken) exit iteration
sizeDotState = plasticState(p)%sizeDotState
zeta = damper(plasticState(p)%dotState(:,c),plastic_dotState_p1,plastic_dotState_p2)
plasticState(p)%dotState(:,c) = plasticState(p)%dotState(:,c) * zeta &
+ plastic_dotState_p1 * (1.0_pReal - zeta)
r(1:SizeDotState) = plasticState(p)%state (1:sizeDotState,c) &
- plasticState(p)%subState0(1:sizeDotState,c) &
- plasticState(p)%dotState (1:sizeDotState,c) * crystallite_subdt(g,i,e)
plasticState(p)%state(1:sizeDotState,c) = plasticState(p)%state(1:sizeDotState,c) &
- r(1:sizeDotState)
crystallite_converged(g,i,e) = converged(r(1:sizeDotState), &
plasticState(p)%state(1:sizeDotState,c), &
plasticState(p)%atol(1:sizeDotState))
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
zeta = damper(sourceState(p)%p(s)%dotState(:,c), &
source_dotState(1:sizeDotState,1,s),&
source_dotState(1:sizeDotState,2,s))
sourceState(p)%p(s)%dotState(:,c) = sourceState(p)%p(s)%dotState(:,c) * zeta &
+ source_dotState(1:sizeDotState,1,s)* (1.0_pReal - zeta)
r(1: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)
sourceState(p)%p(s)%state(1:sizeDotState,c) = sourceState(p)%p(s)%state(1:sizeDotState,c) &
- r(1:sizeDotState)
crystallite_converged(g,i,e) = &
crystallite_converged(g,i,e) .and. converged(r(1:sizeDotState), &
sourceState(p)%p(s)%state(1:sizeDotState,c), &
sourceState(p)%p(s)%atol(1:sizeDotState))
enddo
if(crystallite_converged(g,i,e)) then
broken = stateJump(g,i,e)
exit iteration
endif
enddo iteration
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalBroken) call nonlocalConvergenceCheck
contains
!--------------------------------------------------------------------------------------------------
!> @brief calculate the damping for correction of state and dot state
!--------------------------------------------------------------------------------------------------
real(pReal) pure function damper(current,previous,previous2)
real(pReal), dimension(:), intent(in) ::&
current, previous, previous2
real(pReal) :: dot_prod12, dot_prod22
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
end function damper
end subroutine integrateStateFPI
!--------------------------------------------------------------------------------------------------
!> @brief integrate state with 1st order explicit Euler method
!--------------------------------------------------------------------------------------------------
subroutine integrateStateEuler(todo)
logical, dimension(:,:,:), intent(in) :: todo
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 :: &
nonlocalBroken, broken
nonlocalBroken = .false.
!$OMP PARALLEL DO PRIVATE (sizeDotState,p,c,broken)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
if(todo(g,i,e) .and. (.not. nonlocalBroken .or. crystallite_localPlasticity(g,i,e)) ) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
sizeDotState = plasticState(p)%sizeDotState
plasticState(p)%state(1:sizeDotState,c) = plasticState(p)%subState0(1:sizeDotState,c) &
+ plasticState(p)%dotState (1:sizeDotState,c) &
* crystallite_subdt(g,i,e)
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
sourceState(p)%p(s)%state(1:sizeDotState,c) = sourceState(p)%p(s)%subState0(1:sizeDotState,c) &
+ sourceState(p)%p(s)%dotState (1:sizeDotState,c) &
* crystallite_subdt(g,i,e)
enddo
broken = stateJump(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = integrateStress(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
crystallite_converged(g,i,e) = .not. broken
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalBroken) call nonlocalConvergenceCheck
end subroutine integrateStateEuler
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with 1st order Euler method with adaptive step size
!--------------------------------------------------------------------------------------------------
subroutine integrateStateAdaptiveEuler(todo)
logical, dimension(:,:,:), intent(in) :: todo
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 :: &
nonlocalBroken, broken
real(pReal), dimension(constitutive_plasticity_maxSizeDotState) :: residuum_plastic
real(pReal), dimension(constitutive_source_maxSizeDotState,maxval(phase_Nsources)) :: residuum_source
nonlocalBroken = .false.
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c,residuum_plastic,residuum_source,broken)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
if(todo(g,i,e) .and. (.not. nonlocalBroken .or. crystallite_localPlasticity(g,i,e)) ) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
sizeDotState = plasticState(p)%sizeDotState
residuum_plastic(1:sizeDotState) = - plasticState(p)%dotstate(1:sizeDotState,c) * 0.5_pReal * crystallite_subdt(g,i,e)
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
residuum_source(1:sizeDotState,s) = - sourceState(p)%p(s)%dotstate(1:sizeDotState,c) &
* 0.5_pReal * crystallite_subdt(g,i,e)
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
broken = stateJump(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = integrateStress(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
sizeDotState = plasticState(p)%sizeDotState
crystallite_converged(g,i,e) = converged(residuum_plastic(1:sizeDotState) &
+ 0.5_pReal * plasticState(p)%dotState(:,c) * crystallite_subdt(g,i,e), &
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) = &
crystallite_converged(g,i,e) .and. converged(residuum_source(1:sizeDotState,s) &
+ 0.5_pReal*sourceState(p)%p(s)%dotState(:,c)*crystallite_subdt(g,i,e), &
sourceState(p)%p(s)%state(1:sizeDotState,c), &
sourceState(p)%p(s)%atol(1:sizeDotState))
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalBroken) call nonlocalConvergenceCheck
end subroutine integrateStateAdaptiveEuler
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with 4th order explicit Runge Kutta method
!--------------------------------------------------------------------------------------------------
subroutine integrateStateRK4(todo)
logical, dimension(:,:,:), intent(in) :: todo
real(pReal), dimension(3,3), parameter :: &
A = reshape([&
0.5_pReal, 0.0_pReal, 0.0_pReal, &
0.0_pReal, 0.5_pReal, 0.0_pReal, &
0.0_pReal, 0.0_pReal, 1.0_pReal], &
[3,3])
real(pReal), dimension(3), parameter :: &
CC = [0.5_pReal, 0.5_pReal, 1.0_pReal] ! factor giving the fraction of the original timestep used for Runge Kutta Integration
real(pReal), dimension(4), parameter :: &
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] ! weight of slope used for Runge Kutta integration (final weight divided by 6)
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 :: &
nonlocalBroken, broken
real(pReal), dimension(constitutive_source_maxSizeDotState,4,maxval(phase_Nsources)) :: source_RK4dotState
real(pReal), dimension(constitutive_plasticity_maxSizeDotState,4) :: plastic_RK4dotState
nonlocalBroken = .false.
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c,source_RK4dotState,plastic_RK4dotState,broken)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
if(todo(g,i,e) .and. (.not. nonlocalBroken .or. crystallite_localPlasticity(g,i,e)) ) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
do stage = 1,3
sizeDotState = plasticState(p)%sizeDotState
plastic_RK4dotState(1:sizeDotState,stage) = plasticState(p)%dotState(:,c)
plasticState(p)%dotState(:,c) = A(1,stage) * plastic_RK4dotState(1:sizeDotState,1)
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
source_RK4dotState(1:sizeDotState,stage,s) = sourceState(p)%p(s)%dotState(:,c)
sourceState(p)%p(s)%dotState(:,c) = A(1,stage) * source_RK4dotState(1:sizeDotState,1,s)
enddo
do n = 2, stage
sizeDotState = plasticState(p)%sizeDotState
plasticState(p)%dotState(:,c) = plasticState(p)%dotState(:,c) &
+ A(n,stage) * plastic_RK4dotState(1:sizeDotState,n)
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
sourceState(p)%p(s)%dotState(:,c) = sourceState(p)%p(s)%dotState(:,c) &
+ A(n,stage) * source_RK4dotState(1:sizeDotState,n,s)
enddo
enddo
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
broken = integrateStress(g,i,e,CC(stage))
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) exit
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e)*CC(stage), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) exit
enddo
if(broken) cycle
sizeDotState = plasticState(p)%sizeDotState
plastic_RK4dotState(1:sizeDotState,4) = plasticState (p)%dotState(:,c)
plasticState(p)%dotState(:,c) = matmul(plastic_RK4dotState(1:sizeDotState,1:4),B)
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
source_RK4dotState(1:sizeDotState,4,s) = sourceState(p)%p(s)%dotState(:,c)
sourceState(p)%p(s)%dotState(:,c) = matmul(source_RK4dotState(1:sizeDotState,1:4,s),B)
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
broken = stateJump(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = integrateStress(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
crystallite_converged(g,i,e) = .not. broken
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalBroken) call nonlocalConvergenceCheck
end subroutine integrateStateRK4
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with 5th order Runge-Kutta Cash-Karp method with
!> adaptive step size (use 5th order solution to advance = "local extrapolation")
!--------------------------------------------------------------------------------------------------
subroutine integrateStateRKCK45(todo)
logical, dimension(:,:,:), intent(in) :: todo
real(pReal), dimension(5,5), parameter :: &
A = reshape([&
.2_pReal, .075_pReal, .3_pReal, -11.0_pReal/54.0_pReal, 1631.0_pReal/55296.0_pReal, &
.0_pReal, .225_pReal, -.9_pReal, 2.5_pReal, 175.0_pReal/512.0_pReal, &
.0_pReal, .0_pReal, 1.2_pReal, -70.0_pReal/27.0_pReal, 575.0_pReal/13824.0_pReal, &
.0_pReal, .0_pReal, .0_pReal, 35.0_pReal/27.0_pReal, 44275.0_pReal/110592.0_pReal, &
.0_pReal, .0_pReal, .0_pReal, .0_pReal, 253.0_pReal/4096.0_pReal], &
[5,5], order=[2,1]) !< coefficients in Butcher tableau (used for preliminary integration in stages 2 to 6)
real(pReal), dimension(6), parameter :: &
B = &
[37.0_pReal/378.0_pReal, .0_pReal, 250.0_pReal/621.0_pReal, &
125.0_pReal/594.0_pReal, .0_pReal, 512.0_pReal/1771.0_pReal], & !< coefficients in Butcher tableau (used for final integration and error estimate)
DB = B - &
[2825.0_pReal/27648.0_pReal, .0_pReal, 18575.0_pReal/48384.0_pReal,&
13525.0_pReal/55296.0_pReal, 277.0_pReal/14336.0_pReal, 0.25_pReal] !< coefficients in Butcher tableau (used for final integration and error estimate)
real(pReal), dimension(5), parameter :: &
CC = [0.2_pReal, 0.3_pReal, 0.6_pReal, 1.0_pReal, 0.875_pReal] !< coefficients in Butcher tableau (fractions of original time step in stages 2 to 6)
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 :: &
nonlocalBroken, broken
real(pReal), dimension(constitutive_source_maxSizeDotState,6,maxval(phase_Nsources)) :: source_RKdotState
real(pReal), dimension(constitutive_plasticity_maxSizeDotState,6) :: plastic_RKdotState
nonlocalBroken = .false.
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c,plastic_RKdotState,source_RKdotState,broken)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
if(todo(g,i,e) .and. (.not. nonlocalBroken .or. crystallite_localPlasticity(g,i,e)) ) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
do stage = 1,5
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)
do s = 1, phase_Nsources(p)
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)
enddo
do n = 2, stage
sizeDotState = plasticState(p)%sizeDotState
plasticState(p)%dotState(:,c) = plasticState(p)%dotState(:,c) &
+ A(n,stage) * plastic_RKdotState(1:sizeDotState,n)
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
sourceState(p)%p(s)%dotState(:,c) = sourceState(p)%p(s)%dotState(:,c) &
+ A(n,stage) * source_RKdotState(1:sizeDotState,n,s)
enddo
enddo
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
broken = integrateStress(g,i,e,CC(stage))
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) exit
broken = constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e)*CC(stage), g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) exit
enddo
if(broken) cycle
sizeDotState = plasticState(p)%sizeDotState
plastic_RKdotState(1:sizeDotState,6) = plasticState (p)%dotState(:,c)
plasticState(p)%dotState(:,c) = matmul(plastic_RKdotState(1:sizeDotState,1:6),B)
plasticState(p)%state(1:sizeDotState,c) = plasticState(p)%subState0(1:sizeDotState,c) &
+ plasticState(p)%dotState (1:sizeDotState,c) &
* crystallite_subdt(g,i,e)
broken = .not. converged( matmul(plastic_RKdotState(1:sizeDotState,1:6),DB) &
* crystallite_subdt(g,i,e), &
plasticState(p)%state(1:sizeDotState,c), &
plasticState(p)%atol(1:sizeDotState))
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
source_RKdotState(1:sizeDotState,6,s) = sourceState(p)%p(s)%dotState(:,c)
sourceState(p)%p(s)%dotState(:,c) = matmul(source_RKdotState(1:sizeDotState,1:6,s),B)
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)
broken = broken .and. .not. &
converged(matmul(source_RKdotState(1:sizeDotState,1:6,s),DB) &
* crystallite_subdt(g,i,e), &
sourceState(p)%p(s)%state(1:sizeDotState,c), &
sourceState(p)%p(s)%atol(1:sizeDotState))
enddo
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = stateJump(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
if(broken) cycle
broken = integrateStress(g,i,e)
if(broken .and. .not. crystallite_localPlasticity(g,i,e)) &
nonlocalBroken = .true.
crystallite_converged(g,i,e) = .not. broken
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalBroken) call nonlocalConvergenceCheck
end subroutine integrateStateRKCK45
!--------------------------------------------------------------------------------------------------
!> @brief sets convergence flag for nonlocal calculations
!> @details one non-converged nonlocal sets all other nonlocals to non-converged to trigger cut back
!--------------------------------------------------------------------------------------------------
subroutine nonlocalConvergenceCheck
where( .not. crystallite_localPlasticity) crystallite_converged = .false.
end subroutine nonlocalConvergenceCheck
!--------------------------------------------------------------------------------------------------
!> @brief determines whether a point is converged
!--------------------------------------------------------------------------------------------------
logical pure function converged(residuum,state,atol)
real(pReal), intent(in), dimension(:) ::&
residuum, state, atol
real(pReal) :: &
rTol
rTol = num%rTol_crystalliteState
converged = all(abs(residuum) <= max(atol, rtol*abs(state)))
end function converged
!--------------------------------------------------------------------------------------------------
!> @brief calculates a jump in the state according to the current state and the current stress
!> returns true, if state jump was successfull or not needed. false indicates NaN in delta state
!--------------------------------------------------------------------------------------------------
function stateJump(ipc,ip,el) result(broken)
integer, intent(in):: &
el, & ! element index
ip, & ! integration point index
ipc ! grain index
integer :: &
c, &
p, &
mySource, &
myOffset, &
mySize
logical :: broken
c = material_phaseMemberAt(ipc,ip,el)
p = material_phaseAt(ipc,el)
broken = constitutive_deltaState(crystallite_S(1:3,1:3,ipc,ip,el), &
crystallite_Fe(1:3,1:3,ipc,ip,el), &
crystallite_Fi(1:3,1:3,ipc,ip,el), &
ipc,ip,el)
if(broken) return
myOffset = plasticState(p)%offsetDeltaState
mySize = plasticState(p)%sizeDeltaState
plasticState(p)%state(myOffset + 1:myOffset + mySize,c) = &
plasticState(p)%state(myOffset + 1:myOffset + mySize,c) + plasticState(p)%deltaState(1:mySize,c)
do mySource = 1, phase_Nsources(p)
myOffset = sourceState(p)%p(mySource)%offsetDeltaState
mySize = sourceState(p)%p(mySource)%sizeDeltaState
sourceState(p)%p(mySource)%state(myOffset + 1: myOffset + mySize,c) = &
sourceState(p)%p(mySource)%state(myOffset + 1: myOffset + mySize,c) + sourceState(p)%p(mySource)%deltaState(1:mySize,c)
enddo
end function stateJump
!--------------------------------------------------------------------------------------------------
!> @brief Write current restart information (Field and constitutive data) to file.
! ToDo: Merge data into one file for MPI, move state to constitutive and homogenization, respectively
!--------------------------------------------------------------------------------------------------
subroutine crystallite_restartWrite
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')
do i = 1,size(phase_plasticity)
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)
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')
do i = 1,size(phase_plasticity)
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
!--------------------------------------------------------------------------------------------------
!> @brief Forward data after successful increment.
! ToDo: Any guessing for the current states possible?
!--------------------------------------------------------------------------------------------------
subroutine crystallite_forward
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
end subroutine crystallite_forward
end module crystallite