DAMASK_EICMD/src/crystallite.f90

2115 lines
116 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 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
real(pReal), dimension(:,:,:,:,:), allocatable, public :: &
crystallite_S, & !< current 2nd Piola-Kirchhoff stress vector (end of converged time step)
crystallite_S0, & !< 2nd Piola-Kirchhoff stress vector at start of FE inc
crystallite_partionedS0, & !< 2nd Piola-Kirchhoff stress vector at start of homog inc
crystallite_Fp, & !< current plastic def grad (end of converged time step)
crystallite_Fp0, & !< plastic def grad at start of FE inc
crystallite_partionedFp0,& !< plastic def grad at start of homog inc
crystallite_Fi, & !< current intermediate def grad (end of converged time step)
crystallite_Fi0, & !< intermediate def grad at start of FE inc
crystallite_partionedFi0,& !< intermediate def grad at start of homog inc
crystallite_F0, & !< def grad at start of FE 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_Lp0, & !< plastic velocitiy grad at start of FE inc
crystallite_partionedLp0, & !< plastic velocity grad at start of homog inc
crystallite_Li, & !< current intermediate velocitiy grad (end of converged time step)
crystallite_Li0, & !< intermediate velocitiy grad at start of FE inc
crystallite_partionedLi0 !< intermediate velocity grad at start of homog inc
real(pReal), dimension(:,:,:,:,:), allocatable :: &
crystallite_subS0, & !< 2nd Piola-Kirchhoff stress vector at start of crystallite inc
crystallite_invFp, & !< inverse of current plastic def grad (end of converged time step)
crystallite_subFp0,& !< plastic def grad at start of crystallite inc
crystallite_invFi, & !< inverse of current intermediate def grad (end of converged time step)
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 :: &
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_todo, & !< flag to indicate need for further computation
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(), pointer :: integrateState
public :: &
crystallite_init, &
crystallite_stress, &
crystallite_stressTangent, &
crystallite_orientations, &
crystallite_push33ToRef, &
crystallite_results
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_S0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedS0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_S(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subS0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_P(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_F0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedF0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedF(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subF0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subF(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Fp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedFp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subFp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Fp(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_invFp(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Fi0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedFi0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subFi0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Fi(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_invFi(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Fe(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Lp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedLp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subLp0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Lp(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Li0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_partionedLi0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subLi0(3,3,cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_Li(3,3,cMax,iMax,eMax), source=0.0_pReal)
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(cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subFrac(cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_subStep(cMax,iMax,eMax), source=0.0_pReal)
allocate(crystallite_orientation(cMax,iMax,eMax))
allocate(crystallite_localPlasticity(cMax,iMax,eMax), source=.true.)
allocate(crystallite_requested(cMax,iMax,eMax), source=.false.)
allocate(crystallite_todo(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
!$OMP PARALLEL DO PRIVATE(myNcomponents,i,c)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
myNcomponents = homogenization_Ngrains(material_homogenizationAt(e))
do i = FEsolving_execIP(1), FEsolving_execIP(2); do c = 1, myNcomponents
crystallite_Fp0(1:3,1:3,c,i,e) = material_orientation0(c,i,e)%asMatrix() ! plastic def gradient reflects init orientation
crystallite_Fi0(1:3,1:3,c,i,e) = constitutive_initialFi(c,i,e)
crystallite_F0(1:3,1:3,c,i,e) = math_I3
crystallite_localPlasticity(c,i,e) = phase_localPlasticity(material_phaseAt(c,e))
crystallite_Fe(1:3,1:3,c,i,e) = math_inv33(matmul(crystallite_Fi0(1:3,1:3,c,i,e), &
crystallite_Fp0(1:3,1:3,c,i,e))) ! assuming that euler angles are given in internal strain free configuration
crystallite_Fp(1:3,1:3,c,i,e) = crystallite_Fp0(1:3,1:3,c,i,e)
crystallite_Fi(1:3,1:3,c,i,e) = crystallite_Fi0(1:3,1:3,c,i,e)
crystallite_requested(c,i,e) = .true.
enddo; enddo
enddo
!$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()
!$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
call constitutive_microstructure(crystallite_partionedF0(1:3,1:3,c,i,e), &
crystallite_partionedFp0(1:3,1:3,c,i,e), &
c,i,e) ! update dependent state variables to be consistent with basic states
enddo
enddo
enddo
!$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)') 'max # 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
#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
!$OMP PARALLEL DO
elementLooping1: do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2); do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
homogenizationRequestsCalculation: if (crystallite_requested(c,i,e)) then
plasticState (material_phaseAt(c,e))%subState0( :,material_phaseMemberAt(c,i,e)) = &
plasticState (material_phaseAt(c,e))%partionedState0(:,material_phaseMemberAt(c,i,e))
do s = 1, phase_Nsources(material_phaseAt(c,e))
sourceState(material_phaseAt(c,e))%p(s)%subState0( :,material_phaseMemberAt(c,i,e)) = &
sourceState(material_phaseAt(c,e))%p(s)%partionedState0(:,material_phaseMemberAt(c,i,e))
enddo
crystallite_subFp0(1:3,1:3,c,i,e) = crystallite_partionedFp0(1:3,1:3,c,i,e)
crystallite_subLp0(1:3,1:3,c,i,e) = crystallite_partionedLp0(1:3,1:3,c,i,e)
crystallite_subFi0(1:3,1:3,c,i,e) = crystallite_partionedFi0(1:3,1:3,c,i,e)
crystallite_subLi0(1:3,1:3,c,i,e) = crystallite_partionedLi0(1:3,1:3,c,i,e)
crystallite_subF0(1:3,1:3,c,i,e) = crystallite_partionedF0(1:3,1:3,c,i,e)
crystallite_subS0(1:3,1:3,c,i,e) = crystallite_partionedS0(1:3,1:3,c,i,e)
crystallite_subFrac(c,i,e) = 0.0_pReal
crystallite_subStep(c,i,e) = 1.0_pReal/num%subStepSizeCryst
crystallite_todo(c,i,e) = .true.
crystallite_converged(c,i,e) = .false. ! pretend failed step of 1/subStepSizeCryst
endif homogenizationRequestsCalculation
enddo; enddo
enddo elementLooping1
!$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(crystallite_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))
crystallite_todo(c,i,e) = crystallite_subStep(c,i,e) > 0.0_pReal ! still time left to integrate on?
if (crystallite_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)
crystallite_subS0 (1:3,1:3,c,i,e) = crystallite_S (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
#ifdef DEBUG
if (iand(debug_level(debug_crystallite),debug_levelBasic) /= 0 &
.and. ((e == debug_e .and. i == debug_i .and. c == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) &
write(6,'(a,f12.8,a,f12.8,a,i8,1x,i2,1x,i3,/)') '<< CRYST stress >> winding forward from ', &
crystallite_subFrac(c,i,e)-formerSubStep,' to current crystallite_subfrac ', &
crystallite_subFrac(c,i,e),' in crystallite_stress at el ip ipc ',e,i,c
#endif
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_invFp(1:3,1:3,c,i,e) = math_inv33(crystallite_Fp (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_invFi(1:3,1:3,c,i,e) = math_inv33(crystallite_Fi (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
crystallite_todo(c,i,e) = crystallite_subStep(c,i,e) > num%subStepMinCryst ! still on track or already done (beyond repair)
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((e == debug_e .and. i == debug_i .and. c == debug_g) &
.or. .not. iand(debug_level(debug_crystallite),debug_levelSelective) /= 0)) then
if (crystallite_todo(c,i,e)) then
write(6,'(a,f12.8,a,i8,1x,i2,1x,i3,/)') '<< CRYST stress >> cutback with new crystallite_subStep: ', &
crystallite_subStep(c,i,e),' at el ip ipc ',e,i,c
else
write(6,'(a,i8,1x,i2,1x,i3,/)') '<< CRYST stress >> reached minimum step size at el ip ipc ',e,i,c
endif
endif
#endif
endif
!--------------------------------------------------------------------------------------------------
! prepare for integration
if (crystallite_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), &
crystallite_invFp(1:3,1:3,c,i,e)), &
crystallite_invFi(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
#ifdef DEBUG
if (iand(debug_level(debug_crystallite),debug_levelExtensive) /= 0) then
write(6,'(/,a,f8.5,a,f8.5,/)') '<< CRYST stress >> ',minval(crystallite_subStep), &
' ≤ subStep ≤ ',maxval(crystallite_subStep)
write(6,'(/,a,f8.5,a,f8.5,/)') '<< CRYST stress >> ',minval(crystallite_subFrac), &
' ≤ subFrac ≤ ',maxval(crystallite_subFrac)
flush(6)
if (iand(debug_level(debug_crystallite),debug_levelSelective) /= 0) then
write(6,'(/,a,f8.5,1x,a,1x,f8.5,1x,a)') '<< CRYST stress >> subFrac + subStep = ',&
crystallite_subFrac(debug_g,debug_i,debug_e),'+',crystallite_subStep(debug_g,debug_i,debug_e),'@selective'
flush(6)
endif
endif
#endif
!--------------------------------------------------------------------------------------------------
! integrate --- requires fully defined state array (basic + dependent state)
if (any(crystallite_todo)) call integrateState ! 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
crystallite_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
#ifdef DEBUG
elementLooping6: do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do c = 1,homogenization_Ngrains(material_homogenizationAt(e))
if (.not. crystallite_converged(c,i,e)) then
if(iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i8,1x,i2,1x,i3,/)') '<< CRYST stress >> no convergence at el ip ipc ', &
e,i,c
endif
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((e == debug_e .and. i == debug_i .and. c == debug_g) &
.or. .not. iand(debug_level(debug_crystallite),debug_levelSelective) /= 0)) then
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST stress >> solution at el ip ipc ',e,i,c
write(6,'(/,a,/,3(12x,3(f12.4,1x)/))') '<< CRYST stress >> P / MPa', &
transpose(crystallite_P(1:3,1:3,c,i,e))*1.0e-6_pReal
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Fp', &
transpose(crystallite_Fp(1:3,1:3,c,i,e))
write(6,'(a,/,3(12x,3(f14.9,1x)/))') '<< CRYST stress >> Fi', &
transpose(crystallite_Fi(1:3,1:3,c,i,e))
write(6,'(a,/,3(12x,3(f14.9,1x)/),/)') '<< CRYST stress >> Lp', &
transpose(crystallite_Lp(1:3,1:3,c,i,e))
write(6,'(a,/,3(12x,3(f14.9,1x)/),/)') '<< CRYST stress >> Li', &
transpose(crystallite_Li(1:3,1:3,c,i,e))
flush(6)
endif
enddo
enddo
enddo elementLooping6
#endif
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) :: temp_33_1, devNull,invSubFi0, temp_33_2, temp_33_3, temp_33_4
real(pReal), dimension(3,3,3,3) :: dSdFe, &
dSdF, &
dSdFi, &
dLidS, &
dLidFi, &
dLpdS, &
dLpdFi, &
dFidS, &
dFpinvdF, &
rhs_3333, &
lhs_3333, &
temp_3333
real(pReal), dimension(9,9):: temp_99
logical :: error
!$OMP PARALLEL DO PRIVATE(dSdF,dSdFe,dSdFi,dLpdS,dLpdFi,dFpinvdF,dLidS,dLidFi,dFidS,invSubFi0,o,p, &
!$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 law to calculate elastic stress tangent
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) ! call constitutive law to calculate Li tangent in lattice configuration
if (sum(abs(dLidS)) < tol_math_check) then
dFidS = 0.0_pReal
else
invSubFi0 = math_inv33(crystallite_subFi0(1:3,1:3,c,i,e))
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) &
+ crystallite_invFi(1:3,1:3,c,i,e)*crystallite_invFi(p,o,c,i,e)
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(crystallite_invFp(1:3,1:3,c,i,e), &
crystallite_invFi(1:3,1:3,c,i,e)))
temp_33_2 = matmul( crystallite_subF (1:3,1:3,c,i,e), &
math_inv33(crystallite_subFp0(1:3,1:3,c,i,e)))
temp_33_3 = matmul(matmul(crystallite_subF (1:3,1:3,c,i,e), &
crystallite_invFp (1:3,1:3,c,i,e)), &
math_inv33(crystallite_subFi0(1:3,1:3,c,i,e)))
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)), &
crystallite_invFi(1:3,1:3,c,i,e)) &
+ 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(math_inv33(crystallite_subFp0(1:3,1:3,c,i,e)), &
matmul(temp_3333(1:3,1:3,p,o),crystallite_invFi(1:3,1:3,c,i,e)))
enddo; enddo
!--------------------------------------------------------------------------------------------------
! assemble dPdF
temp_33_1 = matmul(crystallite_invFp(1:3,1:3,c,i,e), &
matmul(crystallite_S(1:3,1:3,c,i,e), &
transpose(crystallite_invFp(1:3,1:3,c,i,e))))
temp_33_2 = matmul(crystallite_S(1:3,1:3,c,i,e), &
transpose(crystallite_invFp(1:3,1:3,c,i,e)))
temp_33_3 = matmul(crystallite_subF(1:3,1:3,c,i,e), &
crystallite_invFp(1:3,1:3,c,i,e))
temp_33_4 = matmul(matmul(crystallite_subF(1:3,1:3,c,i,e), &
crystallite_invFp(1:3,1:3,c,i,e)), &
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_1)
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_2) + &
matmul(matmul(temp_33_3,dSdF(1:3,1:3,p,o)),transpose(crystallite_invFp(1:3,1:3,c,i,e))) + &
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_rotationalPart33(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) & ! if nonlocal model
call plastic_nonlocal_updateCompatibility(crystallite_orientation,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,lattice_label
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',&
'1st Piola-Kirchoff stress','Pa')
case('s')
selected_tensors = select_tensors(crystallite_S,p)
call results_writeDataset(group,selected_tensors,'S',&
'2nd Piola-Kirchoff stress','Pa')
case('orientation')
select case(lattice_structure(p))
case(LATTICE_iso_ID)
lattice_label = 'iso'
case(LATTICE_fcc_ID)
lattice_label = 'fcc'
case(LATTICE_bcc_ID)
lattice_label = 'bcc'
case(LATTICE_bct_ID)
lattice_label = 'bct'
case(LATTICE_hex_ID)
lattice_label = 'hex'
case(LATTICE_ort_ID)
lattice_label = 'ort'
end select
selected_rotations = select_rotations(crystallite_orientation,p)
call results_writeDataset(group,selected_rotations,'orientation',&
'crystal orientation as quaternion',lattice_label)
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)*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_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
!--------------------------------------------------------------------------------------------------
logical function integrateStress(ipc,ip,el,timeFraction)
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):: Fg_new, & ! deformation gradient at end of timestep
Fp_new, & ! plastic deformation gradient at end of timestep
Fe_new, & ! elastic deformation gradient at end of timestep
invFp_new, & ! inverse of Fp_new
Fi_new, & ! gradient of intermediate deformation stages
invFi_new, &
invFp_current, & ! inverse of Fp_current
invFi_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
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
S, & ! 2nd Piola-Kirchhoff Stress in plastic (lattice) configuration
A, &
B, &
Fe, & ! elastic deformation gradient
temp_33
real(pReal), dimension(9) :: work ! needed for matrix inversion by LAPACK
integer, dimension(9) :: devNull ! needed for matrix inversion by LAPACK
real(pReal), dimension(9,9) :: dRLp_dLp, & ! partial derivative of residuum (Jacobian for Newton-Raphson scheme)
dRLp_dLp2, & ! working copy of dRdLp
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) detInvFi, & ! determinant of InvFi
steplengthLp, &
steplengthLi, &
dt, & ! time increment
aTolLp, &
aTolLi
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
external :: &
dgesv
!* be pessimistic
integrateStress = .false.
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) &
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> at el ip ipc ',el,ip,ipc
#endif
if (present(timeFraction)) then
dt = crystallite_subdt(ipc,ip,el) * timeFraction
Fg_new = 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)
Fg_new = crystallite_subF(1:3,1:3,ipc,ip,el)
endif
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
Liguess_old = Liguess
invFp_current = math_inv33(crystallite_subFp0(1:3,1:3,ipc,ip,el))
failedInversionFp: if (all(dEq0(invFp_current))) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> failed on inversion of current Fp at el ip ipc ',&
el,ip,ipc
if (iand(debug_level(debug_crystallite), debug_levelExtensive) > 0) &
write(6,'(/,a,/,3(12x,3(f12.7,1x)/))') '<< CRYST >> current Fp ',transpose(crystallite_subFp0(1:3,1:3,ipc,ip,el))
#endif
return
endif failedInversionFp
A = matmul(Fg_new,invFp_current) ! intermediate tensor needed later to calculate dFe_dLp
invFi_current = math_inv33(crystallite_subFi0(1:3,1:3,ipc,ip,el))
failedInversionFi: if (all(dEq0(invFi_current))) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> failed on inversion of current Fi at el ip ipc ',&
el,ip,ipc
if (iand(debug_level(debug_crystallite), debug_levelExtensive) > 0) &
write(6,'(/,a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> current Fi ', &
transpose(crystallite_subFi0(1:3,1:3,ipc,ip,el))
#endif
return
endif failedInversionFi
!* start Li loop with normal step length
NiterationStressLi = 0
jacoCounterLi = 0
steplengthLi = 1.0_pReal
residuumLi_old = 0.0_pReal
LiLoop: do
NiterationStressLi = NiterationStressLi + 1
LiLoopLimit: if (NiterationStressLi > num%nStress) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i3,a,i8,1x,i2,1x,i3,/)') '<< CRYST integrateStress >> reached Li loop limit',num%nStress, &
' at el ip ipc ', el,ip,ipc
#endif
return
endif LiLoopLimit
invFi_new = matmul(invFi_current,math_I3 - dt*Liguess)
Fi_new = math_inv33(invFi_new)
detInvFi = math_det33(invFi_new)
!* start Lp loop with normal step length
NiterationStressLp = 0
jacoCounterLp = 0
steplengthLp = 1.0_pReal
residuumLp_old = 0.0_pReal
Lpguess_old = Lpguess
LpLoop: do
NiterationStressLp = NiterationStressLp + 1
LpLoopLimit: if (NiterationStressLp > num%nStress) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i3,a,i8,1x,i2,1x,i3,/)') '<< CRYST integrateStress >> reached Lp loop limit',num%nStress, &
' at el ip ipc ', el,ip,ipc
#endif
return
endif LpLoopLimit
!* calculate (elastic) 2nd Piola--Kirchhoff stress tensor and its tangent from constitutive law
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 law to calculate 2nd Piola-Kirchhoff stress and its derivative in unloaded configuration
!* calculate plastic velocity gradient and its tangent from constitutive law
call constitutive_LpAndItsTangents(Lp_constitutive, dLp_dS, dLp_dFi, &
S, Fi_new, ipc, ip, el)
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,i3,/)') '<< CRYST integrateStress >> Lp iteration ', NiterationStressLp
write(6,'(a,/,3(12x,3(e20.10,1x)/))') '<< CRYST integrateStress >> Lpguess', transpose(Lpguess)
write(6,'(a,/,3(12x,3(e20.10,1x)/))') '<< CRYST integrateStress >> Lp_constitutive', transpose(Lp_constitutive)
write(6,'(a,/,3(12x,3(e20.10,1x)/))') '<< CRYST integrateStress >> Fi', transpose(Fi_new)
write(6,'(a,/,3(12x,3(e20.10,1x)/))') '<< CRYST integrateStress >> Fe', transpose(Fe)
write(6,'(a,/,3(12x,3(e20.10,1x)/))') '<< CRYST integrateStress >> S', transpose(S)
endif
#endif
!* update current residuum and check for convergence of loop
aTolLp = 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
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i8,1x,i2,1x,i3,a,i3,a)') '<< CRYST integrateStress >> encountered NaN for Lp-residuum at el ip ipc ', &
el,ip,ipc, &
' ; iteration ', NiterationStressLp,&
' >> returning..!'
#endif
return ! ...me = .false. to inform integrator about problem
elseif (norm2(residuumLp) < aTolLp) then ! converged if below absolute tolerance
exit LpLoop ! ...leave iteration loop
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 + steplengthLp * deltaLp
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,1x,f7.4)') '<< CRYST integrateStress >> linear search for Lpguess with step', steplengthLp
endif
#endif
cycle LpLoop
endif
!* calculate Jacobian for correction term
if (mod(jacoCounterLp, num%iJacoLpresiduum) == 0) then
do o=1,3; do p=1,3
dFe_dLp(o,1:3,p,1:3) = A(o,p)*transpose(invFi_new) ! dFe_dLp(i,j,k,l) = -dt * A(i,k) invFi(l,j)
enddo; enddo
dFe_dLp = - dt * dFe_dLp
dRLp_dLp = math_identity2nd(9) &
- math_3333to99(math_mul3333xx3333(math_mul3333xx3333(dLp_dS,dS_dFe),dFe_dLp))
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,/,9(12x,9(e12.4,1x)/))') '<< CRYST integrateStress >> dLp_dS', math_3333to99(dLp_dS)
write(6,'(a,1x,e20.10)') '<< CRYST integrateStress >> dLp_dS norm', norm2(math_3333to99(dLp_dS))
write(6,'(a,/,9(12x,9(e12.4,1x)/))') '<< CRYST integrateStress >> dRLp_dLp', dRLp_dLp-math_identity2nd(9)
write(6,'(a,1x,e20.10)') '<< CRYST integrateStress >> dRLp_dLp norm', norm2(dRLp_dLp-math_identity2nd(9))
endif
#endif
dRLp_dLp2 = dRLp_dLp ! will be overwritten in first call to LAPACK routine
work = math_33to9(residuumLp)
call dgesv(9,1,dRLp_dLp2,9,devNull,work,9,ierr) ! solve dRLp/dLp * delta Lp = -res for delta Lp
if (ierr /= 0) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) then
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> failed on dR/dLp inversion at el ip ipc ', &
el,ip,ipc
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g)&
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,*)
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dR_dLp',transpose(dRLp_dLp)
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dFe_dLp',transpose(math_3333to99(dFe_dLp))
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dS_dFe (cnst)',transpose(math_3333to99(dS_dFe))
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dLp_dS (cnst)',transpose(math_3333to99(dLp_dS))
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> A',transpose(A)
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> B',transpose(B)
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Lp_constitutive',transpose(Lp_constitutive)
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Lpguess',transpose(Lpguess)
endif
endif
#endif
return
endif
deltaLp = - math_9to33(work)
endif
jacoCounterLp = jacoCounterLp + 1
Lpguess = Lpguess + steplengthLp * deltaLp
enddo LpLoop
!* calculate intermediate velocity gradient and its tangent from constitutive law
call constitutive_LiAndItsTangents(Li_constitutive, dLi_dS, dLi_dFi, &
S, Fi_new, ipc, ip, el)
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,i3,/)') '<< CRYST integrateStress >> Li iteration ', NiterationStressLi
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Li_constitutive', transpose(Li_constitutive)
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Liguess', transpose(Liguess)
endif
#endif
!* update current residuum and check for convergence of loop
aTolLi = 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 ! NaN in residuum...
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) &
write(6,'(a,i8,1x,i2,1x,i3,a,i3,a)') '<< CRYST integrateStress >> encountered NaN for Li-residuum at el ip ipc ', &
el,ip,ipc, &
' ; iteration ', NiterationStressLi,&
' >> returning..!'
#endif
return ! ...me = .false. to inform integrator about problem
elseif (norm2(residuumLi) < aTolLi) then ! converged if below absolute tolerance
exit LiLoop ! ...leave iteration loop
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 + steplengthLi * deltaLi
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,1x,f7.4)') '<< CRYST integrateStress >> linear search for Liguess with step', steplengthLi
endif
#endif
cycle LiLoop
endif
!* calculate Jacobian for correction term
if (mod(jacoCounterLi, num%iJacoLpresiduum) == 0) then
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))
work = math_33to9(residuumLi)
call dgesv(9,1,dRLi_dLi,9,devNull,work,9,ierr) ! solve dRLi/dLp * delta Li = -res for delta Li
if (ierr /= 0) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) then
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> failed on dR/dLi inversion at el ip ipc ', &
el,ip,ipc
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g)&
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,*)
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dR_dLi',transpose(dRLi_dLi)
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dFe_dLi',transpose(math_3333to99(dFe_dLi))
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dS_dFi (cnst)',transpose(math_3333to99(dS_dFi))
write(6,'(a,/,9(12x,9(e15.3,1x)/))') '<< CRYST integrateStress >> dLi_dS (cnst)',transpose(math_3333to99(dLi_dS))
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Li_constitutive',transpose(Li_constitutive)
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> Liguess',transpose(Liguess)
endif
endif
#endif
return
endif
deltaLi = - math_9to33(work)
endif
jacoCounterLi = jacoCounterLi + 1
Liguess = Liguess + steplengthLi * deltaLi
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,/,3(12x,3(e20.7,1x)/))') '<< CRYST integrateStress >> corrected Liguess by', transpose(deltaLi)
endif
#endif
enddo LiLoop
!* calculate new plastic and elastic deformation gradient
invFp_new = matmul(invFp_current,B)
invFp_new = invFp_new / math_det33(invFp_new)**(1.0_pReal/3.0_pReal) ! regularize
Fp_new = math_inv33(invFp_new)
failedInversionInvFp: if (all(dEq0(Fp_new))) then
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelBasic) /= 0) then
write(6,'(a,i8,1x,i2,1x,i3)') '<< CRYST integrateStress >> failed on invFp_new inversion at el ip ipc ', &
el,ip,ipc
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) &
write(6,'(/,a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> invFp_new',transpose(invFp_new)
endif
#endif
return
endif failedInversionInvFp
Fe_new = matmul(matmul(Fg_new,invFp_new),invFi_new)
!--------------------------------------------------------------------------------------------------
! stress integration was successful
integrateStress = .true.
crystallite_P (1:3,1:3,ipc,ip,el) = matmul(matmul(Fg_new,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
crystallite_Fi (1:3,1:3,ipc,ip,el) = Fi_new
crystallite_Fe (1:3,1:3,ipc,ip,el) = Fe_new
crystallite_invFp(1:3,1:3,ipc,ip,el) = invFp_new
crystallite_invFi(1:3,1:3,ipc,ip,el) = invFi_new
#ifdef DEBUG
if (iand(debug_level(debug_crystallite),debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,/)') '<< CRYST integrateStress >> successful integration'
write(6,'(a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> P / MPa', &
transpose(crystallite_P(1:3,1:3,ipc,ip,el))*1.0e-6_pReal
write(6,'(a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> Cauchy / MPa', &
matmul(crystallite_P(1:3,1:3,ipc,ip,el), transpose(Fg_new)) * 1.0e-6_pReal / math_det33(Fg_new)
write(6,'(a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> Fe Lp Fe^-1', &
transpose(matmul(Fe_new, matmul(crystallite_Lp(1:3,1:3,ipc,ip,el), math_inv33(Fe_new))))
write(6,'(a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> Fp',transpose(crystallite_Fp(1:3,1:3,ipc,ip,el))
write(6,'(a,/,3(12x,3(f12.7,1x)/))') '<< CRYST integrateStress >> Fi',transpose(crystallite_Fi(1:3,1:3,ipc,ip,el))
endif
#endif
end function integrateStress
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with adaptive 1st order explicit Euler method
!> using Fixed Point Iteration to adapt the stepsize
!--------------------------------------------------------------------------------------------------
subroutine integrateStateFPI
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(constitutive_plasticity_maxSizeDotState) :: &
residuum_plastic ! residuum for plastic state
real(pReal), dimension(constitutive_source_maxSizeDotState) :: &
residuum_source ! residuum for source state
logical :: &
doneWithIntegration
! --+>> PREGUESS FOR STATE <<+--
call update_dotState(1.0_pReal)
call update_state(1.0_pReal)
NiterationState = 0
doneWithIntegration = .false.
crystalliteLooping: do while (.not. doneWithIntegration .and. NiterationState < num%nState)
NiterationState = NiterationState + 1
#ifdef DEBUG
if (iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0) &
write(6,'(a,i6)') '<< CRYST stateFPI >> state iteration ',NiterationState
#endif
! store previousDotState and previousDotState2
!$OMP PARALLEL DO PRIVATE(p,c)
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 (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
plasticState(p)%previousDotState2(:,c) = merge(plasticState(p)%previousDotState(:,c),&
0.0_pReal,&
NiterationState > 1)
plasticState(p)%previousDotState (:,c) = plasticState(p)%dotState(:,c)
do s = 1, phase_Nsources(p)
sourceState(p)%p(s)%previousDotState2(:,c) = merge(sourceState(p)%p(s)%previousDotState(:,c),&
0.0_pReal, &
NiterationState > 1)
sourceState(p)%p(s)%previousDotState (:,c) = sourceState(p)%p(s)%dotState(:,c)
enddo
endif
enddo
enddo
enddo
!$OMP END PARALLEL DO
call update_dependentState
call update_stress(1.0_pReal)
call update_dotState(1.0_pReal)
!$OMP PARALLEL
!$OMP DO PRIVATE(sizeDotState,residuum_plastic,residuum_source,zeta,p,c)
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 (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
sizeDotState = plasticState(p)%sizeDotState
zeta = damper(plasticState(p)%dotState (:,c), &
plasticState(p)%previousDotState (:,c), &
plasticState(p)%previousDotState2(:,c))
residuum_plastic(1:SizeDotState) = plasticState(p)%state (1:sizeDotState,c) &
- plasticState(p)%subState0(1:sizeDotState,c) &
- ( plasticState(p)%dotState (:,c) * zeta &
+ plasticState(p)%previousDotState(:,c) * (1.0_pReal-zeta) &
) * crystallite_subdt(g,i,e)
plasticState(p)%state(1:sizeDotState,c) = plasticState(p)%state(1:sizeDotState,c) &
- residuum_plastic(1:sizeDotState)
plasticState(p)%dotState(:,c) = plasticState(p)%dotState(:,c) * zeta &
+ plasticState(p)%previousDotState(:,c) * (1.0_pReal - zeta)
crystallite_converged(g,i,e) = converged(residuum_plastic(1:sizeDotState), &
plasticState(p)%state(1:sizeDotState,c), &
plasticState(p)%aTolState(1:sizeDotState))
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
zeta = damper(sourceState(p)%p(s)%dotState (:,c), &
sourceState(p)%p(s)%previousDotState (:,c), &
sourceState(p)%p(s)%previousDotState2(:,c))
residuum_source(1:sizeDotState) = sourceState(p)%p(s)%state (1:sizeDotState,c) &
- sourceState(p)%p(s)%subState0(1:sizeDotState,c) &
- ( sourceState(p)%p(s)%dotState (:,c) * zeta &
+ sourceState(p)%p(s)%previousDotState(:,c) * (1.0_pReal - zeta) &
) * crystallite_subdt(g,i,e)
sourceState(p)%p(s)%state(1:sizeDotState,c) = sourceState(p)%p(s)%state(1:sizeDotState,c) &
- residuum_source(1:sizeDotState)
sourceState(p)%p(s)%dotState(:,c) = sourceState(p)%p(s)%dotState(:,c) * zeta &
+ sourceState(p)%p(s)%previousDotState(:,c)* (1.0_pReal - zeta)
crystallite_converged(g,i,e) = &
crystallite_converged(g,i,e) .and. converged(residuum_source(1:sizeDotState), &
sourceState(p)%p(s)%state(1:sizeDotState,c), &
sourceState(p)%p(s)%aTolState(1:sizeDotState))
enddo
endif
enddo; enddo; enddo
!$OMP ENDDO
!$OMP DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
!$OMP FLUSH(crystallite_todo)
if (crystallite_todo(g,i,e) .and. crystallite_converged(g,i,e)) then ! converged and still alive...
crystallite_todo(g,i,e) = stateJump(g,i,e)
!$OMP FLUSH(crystallite_todo)
if (.not. crystallite_todo(g,i,e)) then ! if state jump fails, then convergence is broken
crystallite_converged(g,i,e) = .false.
if (.not. crystallite_localPlasticity(g,i,e)) then ! if broken non-local...
!$OMP CRITICAL (checkTodo)
crystallite_todo = crystallite_todo .and. crystallite_localPlasticity ! ...all non-locals skipped
!$OMP END CRITICAL (checkTodo)
endif
endif
endif
enddo; enddo; enddo
!$OMP ENDDO
!$OMP END PARALLEL
if (any(plasticState(:)%nonlocal)) call nonlocalConvergenceCheck
! --- CHECK IF DONE WITH INTEGRATION ---
doneWithIntegration = .true.
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 (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) then
doneWithIntegration = .false.
exit
endif
enddo; enddo
enddo
enddo crystalliteLooping
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
call update_dotState(1.0_pReal)
call update_state(1.0_pReal)
call update_deltaState
call update_dependentState
call update_stress(1.0_pReal)
call setConvergenceFlag
if (any(plasticState(:)%nonlocal)) call nonlocalConvergenceCheck
end subroutine integrateStateEuler
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with 1st order Euler method with adaptive step size
!--------------------------------------------------------------------------------------------------
subroutine integrateStateAdaptiveEuler
integer :: &
e, & ! element index in element loop
i, & ! integration point index in ip loop
g, & ! grain index in grain loop
p, &
c, &
s, &
sizeDotState
! ToDo: MD: once all constitutives use allocate state, attach residuum arrays to the state in case of adaptive Euler
real(pReal), dimension(constitutive_plasticity_maxSizeDotState, &
homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: &
residuum_plastic
real(pReal), dimension(constitutive_source_maxSizeDotState,&
maxval(phase_Nsources), &
homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: &
residuum_source
!--------------------------------------------------------------------------------------------------
! contribution to state and relative residui and from Euler integration
call update_dotState(1.0_pReal)
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
sizeDotState = plasticState(p)%sizeDotState
residuum_plastic(1:sizeDotState,g,i,e) = plasticState(p)%dotstate(1:sizeDotState,c) &
* (- 0.5_pReal * crystallite_subdt(g,i,e))
plasticState(p)%state(1:sizeDotState,c) = &
plasticState(p)%state(1:sizeDotState,c) + plasticState(p)%dotstate(1:sizeDotState,c) * crystallite_subdt(g,i,e) !ToDo: state, partitioned state?
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
residuum_source(1:sizeDotState,s,g,i,e) = 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)%state(1:sizeDotState,c) + sourceState(p)%p(s)%dotstate(1:sizeDotState,c) * crystallite_subdt(g,i,e) !ToDo: state, partitioned state?
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
call update_deltaState
call update_dependentState
call update_stress(1.0_pReal)
call update_dotState(1.0_pReal)
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,c)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
sizeDotState = plasticState(p)%sizeDotState
residuum_plastic(1:sizeDotState,g,i,e) = residuum_plastic(1:sizeDotState,g,i,e) &
+ 0.5_pReal * plasticState(p)%dotState(:,c) * crystallite_subdt(g,i,e)
crystallite_converged(g,i,e) = converged(residuum_plastic(1:sizeDotState,g,i,e), &
plasticState(p)%state(1:sizeDotState,c), &
plasticState(p)%aTolState(1:sizeDotState))
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
residuum_source(1:sizeDotState,s,g,i,e) = &
residuum_source(1:sizeDotState,s,g,i,e) + 0.5_pReal * sourceState(p)%p(s)%dotState(:,c) * crystallite_subdt(g,i,e)
crystallite_converged(g,i,e) = &
crystallite_converged(g,i,e) .and. converged(residuum_source(1:sizeDotState,s,g,i,e), &
sourceState(p)%p(s)%state(1:sizeDotState,c), &
sourceState(p)%p(s)%aTolState(1:sizeDotState))
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (any(plasticState(:)%nonlocal)) call nonlocalConvergenceCheck
end subroutine integrateStateAdaptiveEuler
!--------------------------------------------------------------------------------------------------
!> @brief integrate stress, state with 4th order explicit Runge Kutta method
! ToDo: This is totally BROKEN: RK4dotState is never used!!!
!--------------------------------------------------------------------------------------------------
subroutine integrateStateRK4
real(pReal), dimension(4), parameter :: &
TIMESTEPFRACTION = [0.5_pReal, 0.5_pReal, 1.0_pReal, 1.0_pReal] ! factor giving the fraction of the original timestep used for Runge Kutta Integration
real(pReal), dimension(4), parameter :: &
WEIGHT = [1.0_pReal, 2.0_pReal, 2.0_pReal, 1.0_pReal/6.0_pReal] ! weight of slope used for Runge Kutta integration (final weight divided by 6)
integer :: e, & ! element index in element loop
i, & ! integration point index in ip loop
g, & ! grain index in grain loop
p, & ! phase loop
c, &
n, &
s
call update_dotState(1.0_pReal)
do n = 1,4
!$OMP PARALLEL DO PRIVATE(p,c)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
plasticState(p)%RK4dotState(:,c) = WEIGHT(n)*plasticState(p)%dotState(:,c) &
+ merge(plasticState(p)%RK4dotState(:,c),0.0_pReal,n>1)
do s = 1, phase_Nsources(p)
sourceState(p)%p(s)%RK4dotState(:,c) = WEIGHT(n)*sourceState(p)%p(s)%dotState(:,c) &
+ merge(sourceState(p)%p(s)%RK4dotState(:,c),0.0_pReal,n>1)
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
call update_state(TIMESTEPFRACTION(n))
call update_deltaState
call update_dependentState
call update_stress(TIMESTEPFRACTION(n))
! --- dot state and RK dot state---
first3steps: if (n < 4) then
call update_dotState(TIMESTEPFRACTION(n))
endif first3steps
enddo
call setConvergenceFlag
if (any(plasticState(:)%nonlocal)) 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
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 :: &
C = [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, &
cc, &
s, &
sizeDotState
! ToDo: MD: once all constitutives use allocate state, attach residuum arrays to the state in case of RKCK45
real(pReal), dimension(constitutive_plasticity_maxSizeDotState, &
homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: &
residuum_plastic ! relative residuum from evolution in microstructure
real(pReal), dimension(constitutive_source_maxSizeDotState, &
maxval(phase_Nsources), &
homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: &
residuum_source ! relative residuum from evolution in microstructure
call update_dotState(1.0_pReal)
! --- SECOND TO SIXTH RUNGE KUTTA STEP ---
do stage = 1,5
! --- state update ---
!$OMP PARALLEL DO PRIVATE(p,cc)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); cc = material_phaseMemberAt(g,i,e)
plasticState(p)%RKCK45dotState(stage,:,cc) = plasticState(p)%dotState(:,cc)
plasticState(p)%dotState(:,cc) = A(1,stage) * plasticState(p)%RKCK45dotState(1,:,cc)
do s = 1, phase_Nsources(p)
sourceState(p)%p(s)%RKCK45dotState(stage,:,cc) = sourceState(p)%p(s)%dotState(:,cc)
sourceState(p)%p(s)%dotState(:,cc) = A(1,stage) * sourceState(p)%p(s)%RKCK45dotState(1,:,cc)
enddo
do n = 2, stage
plasticState(p)%dotState(:,cc) = plasticState(p)%dotState(:,cc) &
+ A(n,stage) * plasticState(p)%RKCK45dotState(n,:,cc)
do s = 1, phase_Nsources(p)
sourceState(p)%p(s)%dotState(:,cc) = sourceState(p)%p(s)%dotState(:,cc) &
+ A(n,stage) * sourceState(p)%p(s)%RKCK45dotState(n,:,cc)
enddo
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
call update_state(1.0_pReal) !MD: 1.0 correct?
call update_deltaState
call update_dependentState
call update_stress(C(stage))
call update_dotState(C(stage))
enddo
!--------------------------------------------------------------------------------------------------
! --- STATE UPDATE WITH ERROR ESTIMATE FOR STATE ---
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,cc)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); cc = material_phaseMemberAt(g,i,e)
sizeDotState = plasticState(p)%sizeDotState
plasticState(p)%RKCK45dotState(6,:,cc) = plasticState (p)%dotState(:,cc)
residuum_plastic(1:sizeDotState,g,i,e) = &
matmul(transpose(plasticState(p)%RKCK45dotState(1:6,1:sizeDotState,cc)),DB) & ! why transpose? Better to transpose constant DB
* crystallite_subdt(g,i,e)
plasticState(p)%dotState(:,cc) = &
matmul(transpose(plasticState(p)%RKCK45dotState(1:6,1:sizeDotState,cc)), B) ! why transpose? Better to transpose constant B
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
sourceState(p)%p(s)%RKCK45dotState(6,:,cc) = sourceState(p)%p(s)%dotState(:,cc)
residuum_source(1:sizeDotState,s,g,i,e) = &
matmul(transpose(sourceState(p)%p(s)%RKCK45dotState(1:6,1:sizeDotState,cc)),DB) &
* crystallite_subdt(g,i,e)
sourceState(p)%p(s)%dotState(:,cc) = &
matmul(transpose(sourceState(p)%p(s)%RKCK45dotState(1:6,1:sizeDotState,cc)),B)
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
call update_state(1.0_pReal)
! --- relative residui and state convergence ---
!$OMP PARALLEL DO PRIVATE(sizeDotState,p,cc)
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 (crystallite_todo(g,i,e)) then
p = material_phaseAt(g,e); cc = material_phaseMemberAt(g,i,e)
sizeDotState = plasticState(p)%sizeDotState
crystallite_todo(g,i,e) = converged(residuum_plastic(1:sizeDotState,g,i,e), &
plasticState(p)%state(1:sizeDotState,cc), &
plasticState(p)%aTolState(1:sizeDotState))
do s = 1, phase_Nsources(p)
sizeDotState = sourceState(p)%p(s)%sizeDotState
crystallite_todo(g,i,e) = &
crystallite_todo(g,i,e) .and. converged(residuum_source(1:sizeDotState,s,g,i,e), &
sourceState(p)%p(s)%state(1:sizeDotState,cc), &
sourceState(p)%p(s)%aTolState(1:sizeDotState))
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
call update_deltaState
call update_dependentState
call update_stress(1.0_pReal)
call setConvergenceFlag
if (any(plasticState(:)%nonlocal)) call nonlocalConvergenceCheck
end subroutine integrateStateRKCK45
!--------------------------------------------------------------------------------------------------
!> @brief sets convergence flag for nonlocal calculations
!> @detail one non-converged nonlocal sets all other nonlocals to non-converged to trigger cut back
!--------------------------------------------------------------------------------------------------
subroutine nonlocalConvergenceCheck
if (any(.not. crystallite_converged .and. .not. crystallite_localPlasticity)) & ! any non-local not yet converged (or broken)...
where( .not. crystallite_localPlasticity) crystallite_converged = .false.
end subroutine nonlocalConvergenceCheck
!--------------------------------------------------------------------------------------------------
!> @brief Sets convergence flag based on "todo": every point that survived the integration (todo is
! still .true. is considered as converged
!> @details: For explicitEuler, RK4 and RKCK45, adaptive Euler and FPI have their on criteria
!--------------------------------------------------------------------------------------------------
subroutine setConvergenceFlag
integer :: &
e, & !< element index in element loop
i, & !< integration point index in ip loop
g !< grain index in grain loop
!OMP DO PARALLEL PRIVATE
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
crystallite_converged(g,i,e) = crystallite_todo(g,i,e) .or. crystallite_converged(g,i,e) ! if still "to do" then converged per definition
enddo; enddo; enddo
!OMP END DO PARALLEL
end subroutine setConvergenceFlag
!--------------------------------------------------------------------------------------------------
!> @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 Standard forwarding of state as state = state0 + dotState * (delta t) comment seems wrong!
!--------------------------------------------------------------------------------------------------
subroutine update_stress(timeFraction)
real(pReal), intent(in) :: &
timeFraction
integer :: &
e, & !< element index in element loop
i, & !< integration point index in ip loop
g
!$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
!$OMP FLUSH(crystallite_todo)
if (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) then
crystallite_todo(g,i,e) = integrateStress(g,i,e,timeFraction)
!$OMP FLUSH(crystallite_todo)
if (.not. crystallite_todo(g,i,e) .and. .not. crystallite_localPlasticity(g,i,e)) then ! if broken non-local...
!$OMP CRITICAL (checkTodo)
crystallite_todo = crystallite_todo .and. crystallite_localPlasticity ! ...all non-locals skipped
!$OMP END CRITICAL (checkTodo)
endif
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
end subroutine update_stress
!--------------------------------------------------------------------------------------------------
!> @brief tbd
!--------------------------------------------------------------------------------------------------
subroutine update_dependentState
use constitutive, only: &
constitutive_dependentState => constitutive_microstructure
integer :: e, & ! element index in element loop
i, & ! integration point index in ip loop
g ! grain index in grain loop
!$OMP PARALLEL DO
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 (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) &
call constitutive_dependentState(crystallite_Fe(1:3,1:3,g,i,e), &
crystallite_Fp(1:3,1:3,g,i,e), &
g, i, e)
enddo; enddo; enddo
!$OMP END PARALLEL DO
end subroutine update_dependentState
!--------------------------------------------------------------------------------------------------
!> @brief Standard forwarding of state as state = state0 + dotState * (delta t)
!--------------------------------------------------------------------------------------------------
subroutine update_state(timeFraction)
real(pReal), intent(in) :: &
timeFraction
integer :: &
e, & !< element index in element loop
i, & !< integration point index in ip loop
g, & !< grain index in grain loop
p, &
c, &
s, &
mySize
!$OMP PARALLEL DO PRIVATE(mySize,p,c)
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 (crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) then
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
mySize = plasticState(p)%sizeDotState
plasticState(p)%state(1:mySize,c) = plasticState(p)%subState0(1:mySize,c) &
+ plasticState(p)%dotState (1:mySize,c) &
* crystallite_subdt(g,i,e) * timeFraction
do s = 1, phase_Nsources(p)
mySize = sourceState(p)%p(s)%sizeDotState
sourceState(p)%p(s)%state(1:mySize,c) = sourceState(p)%p(s)%subState0(1:mySize,c) &
+ sourceState(p)%p(s)%dotState (1:mySize,c) &
* crystallite_subdt(g,i,e) * timeFraction
enddo
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
end subroutine update_state
!--------------------------------------------------------------------------------------------------
!> @brief triggers calculation of all new rates
!> if NaN occurs, crystallite_todo is set to FALSE. Any NaN in a nonlocal propagates to all others
!--------------------------------------------------------------------------------------------------
subroutine update_dotState(timeFraction)
real(pReal), intent(in) :: &
timeFraction
integer :: &
e, & !< element index in element loop
i, & !< integration point index in ip loop
g, & !< grain index in grain loop
p, &
c, &
s
logical :: &
NaN, &
nonlocalStop
nonlocalStop = .false.
!$OMP PARALLEL DO PRIVATE (p,c,NaN)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
!$OMP FLUSH(nonlocalStop)
if ((crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) .and. .not. nonlocalStop) then
call constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e)*timeFraction, g,i,e)
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
NaN = any(IEEE_is_NaN(plasticState(p)%dotState(:,c)))
do s = 1, phase_Nsources(p)
NaN = NaN .or. any(IEEE_is_NaN(sourceState(p)%p(s)%dotState(:,c)))
enddo
if (NaN) then
crystallite_todo(g,i,e) = .false. ! this one done (and broken)
if (.not. crystallite_localPlasticity(g,i,e)) nonlocalStop = .True.
endif
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalStop) crystallite_todo = crystallite_todo .and. crystallite_localPlasticity
end subroutine update_DotState
subroutine update_deltaState
integer :: &
e, & !< element index in element loop
i, & !< integration point index in ip loop
g, & !< grain index in grain loop
p, &
mySize, &
myOffset, &
c, &
s
logical :: &
NaN, &
nonlocalStop
nonlocalStop = .false.
!$OMP PARALLEL DO PRIVATE(p,c,myOffset,mySize,NaN)
do e = FEsolving_execElem(1),FEsolving_execElem(2)
do i = FEsolving_execIP(1),FEsolving_execIP(2)
do g = 1,homogenization_Ngrains(material_homogenizationAt(e))
!$OMP FLUSH(nonlocalStop)
if ((crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) .and. .not. nonlocalStop) then
call constitutive_collectDeltaState(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 = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
myOffset = plasticState(p)%offsetDeltaState
mySize = plasticState(p)%sizeDeltaState
NaN = any(IEEE_is_NaN(plasticState(p)%deltaState(1:mySize,c)))
if (.not. NaN) then
plasticState(p)%state(myOffset + 1: myOffset + mySize,c) = &
plasticState(p)%state(myOffset + 1: myOffset + mySize,c) + plasticState(p)%deltaState(1:mySize,c)
do s = 1, phase_Nsources(p)
myOffset = sourceState(p)%p(s)%offsetDeltaState
mySize = sourceState(p)%p(s)%sizeDeltaState
NaN = NaN .or. any(IEEE_is_NaN(sourceState(p)%p(s)%deltaState(1:mySize,c)))
if (.not. NaN) then
sourceState(p)%p(s)%state(myOffset + 1:myOffset + mySize,c) = &
sourceState(p)%p(s)%state(myOffset + 1:myOffset + mySize,c) + sourceState(p)%p(s)%deltaState(1:mySize,c)
endif
enddo
endif
crystallite_todo(g,i,e) = .not. NaN
if (.not. crystallite_todo(g,i,e)) then ! if state jump fails, then convergence is broken
crystallite_converged(g,i,e) = .false.
if (.not. crystallite_localPlasticity(g,i,e)) nonlocalStop = .true.
endif
endif
enddo; enddo; enddo
!$OMP END PARALLEL DO
if (nonlocalStop) crystallite_todo = crystallite_todo .and. crystallite_localPlasticity
end subroutine update_deltaState
!--------------------------------------------------------------------------------------------------
!> @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
!--------------------------------------------------------------------------------------------------
logical function stateJump(ipc,ip,el)
integer, intent(in):: &
el, & ! element index
ip, & ! integration point index
ipc ! grain index
integer :: &
c, &
p, &
mySource, &
myOffset, &
mySize
c = material_phaseMemberAt(ipc,ip,el)
p = material_phaseAt(ipc,el)
call constitutive_collectDeltaState(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)
myOffset = plasticState(p)%offsetDeltaState
mySize = plasticState(p)%sizeDeltaState
if( any(IEEE_is_NaN(plasticState(p)%deltaState(1:mySize,c)))) then ! NaN occured in deltaState
stateJump = .false.
return
endif
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
if (any(IEEE_is_NaN(sourceState(p)%p(mySource)%deltaState(1:mySize,c)))) then ! NaN occured in deltaState
stateJump = .false.
return
endif
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
#ifdef DEBUG
if (any(dNeq0(plasticState(p)%deltaState(1:mySize,c))) &
.and. iand(debug_level(debug_crystallite), debug_levelExtensive) /= 0 &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
.or. .not. iand(debug_level(debug_crystallite), debug_levelSelective) /= 0)) then
write(6,'(a,i8,1x,i2,1x,i3, /)') '<< CRYST >> update state at el ip ipc ',el,ip,ipc
write(6,'(a,/,(12x,12(e12.5,1x)),/)') '<< CRYST >> deltaState', plasticState(p)%deltaState(1:mySize,c)
write(6,'(a,/,(12x,12(e12.5,1x)),/)') '<< CRYST >> new state', &
plasticState(p)%state(myOffset + 1 : &
myOffset + mySize,c)
endif
#endif
stateJump = .true.
end function stateJump
end module crystallite