DAMASK_EICMD/code/constitutive_phenopowerlaw.f90

1250 lines
73 KiB
Fortran

!--------------------------------------------------------------------------------------------------
! $Id$
!--------------------------------------------------------------------------------------------------
!> @author Franz Roters, Max-Planck-Institut für Eisenforschung GmbH
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine for phenomenological crystal plasticity formulation using a powerlaw
!! fitting
!--------------------------------------------------------------------------------------------------
module constitutive_phenopowerlaw
use prec, only: &
pReal,&
pInt
implicit none
private
integer(pInt), dimension(:), allocatable, public, protected :: &
constitutive_phenopowerlaw_sizePostResults !< cumulative size of post results
integer(pInt), dimension(:,:), allocatable, target, public :: &
constitutive_phenopowerlaw_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
constitutive_phenopowerlaw_output !< name of each post result output
integer(pInt), dimension(:), allocatable, target, public :: &
constitutive_phenopowerlaw_Noutput !< number of outputs per instance of this constitution
integer(pInt), dimension(:), allocatable, private :: &
constitutive_phenopowerlaw_totalNslip, & !< no. of slip system used in simulation
constitutive_phenopowerlaw_totalNtwin !< no. of twin system used in simulation
integer(pInt), dimension(:,:), allocatable, private :: &
constitutive_phenopowerlaw_Nslip, & !< active number of slip systems per family (input parameter, per family)
constitutive_phenopowerlaw_Ntwin !< active number of twin systems per family (input parameter, per family)
real(pReal), dimension(:), allocatable, private :: &
constitutive_phenopowerlaw_gdot0_slip, & !< reference shear strain rate for slip (input parameter)
constitutive_phenopowerlaw_gdot0_twin, & !< reference shear strain rate for twin (input parameter)
constitutive_phenopowerlaw_n_slip, & !< stress exponent for slip (input parameter)
constitutive_phenopowerlaw_n_twin, & !< stress exponent for twin (input parameter)
constitutive_phenopowerlaw_spr, & !< push-up factor for slip saturation due to twinning
constitutive_phenopowerlaw_twinB, &
constitutive_phenopowerlaw_twinC, &
constitutive_phenopowerlaw_twinD, &
constitutive_phenopowerlaw_twinE, &
constitutive_phenopowerlaw_h0_SlipSlip, & !< reference hardening slip - slip (input parameter)
constitutive_phenopowerlaw_h0_SlipTwin, & !< reference hardening slip - twin (input parameter, no effect at the moment)
constitutive_phenopowerlaw_h0_TwinSlip, & !< reference hardening twin - slip (input parameter)
constitutive_phenopowerlaw_h0_TwinTwin, & !< reference hardening twin - twin (input parameter)
constitutive_phenopowerlaw_a_slip, &
constitutive_phenopowerlaw_aTolResistance, &
constitutive_phenopowerlaw_aTolShear, &
constitutive_phenopowerlaw_aTolTwinfrac
real(pReal), dimension(:,:), allocatable, private :: &
constitutive_phenopowerlaw_tau0_slip, & !< initial critical shear stress for slip (input parameter, per family)
constitutive_phenopowerlaw_tau0_twin, & !< initial critical shear stress for twin (input parameter, per family)
constitutive_phenopowerlaw_tausat_slip, & !< maximum critical shear stress for slip (input parameter, per family)
constitutive_phenopowerlaw_nonSchmidCoeff, &
constitutive_phenopowerlaw_interaction_SlipSlip, & !< interaction factors slip - slip (input parameter)
constitutive_phenopowerlaw_interaction_SlipTwin, & !< interaction factors slip - twin (input parameter)
constitutive_phenopowerlaw_interaction_TwinSlip, & !< interaction factors twin - slip (input parameter)
constitutive_phenopowerlaw_interaction_TwinTwin !< interaction factors twin - twin (input parameter)
real(pReal), dimension(:,:,:), allocatable, private :: &
constitutive_phenopowerlaw_hardeningMatrix_SlipSlip, &
constitutive_phenopowerlaw_hardeningMatrix_SlipTwin, &
constitutive_phenopowerlaw_hardeningMatrix_TwinSlip, &
constitutive_phenopowerlaw_hardeningMatrix_TwinTwin
enum, bind(c)
enumerator :: undefined_ID, &
resistance_slip_ID, &
accumulatedshear_slip_ID, &
shearrate_slip_ID, &
resolvedstress_slip_ID, &
totalshear_ID, &
resistance_twin_ID, &
accumulatedshear_twin_ID, &
shearrate_twin_ID, &
resolvedstress_twin_ID, &
totalvolfrac_ID
end enum
integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: &
constitutive_phenopowerlaw_outputID !< ID of each post result output
public :: &
constitutive_phenopowerlaw_init, &
constitutive_phenopowerlaw_LpAndItsTangent, &
constitutive_phenopowerlaw_dotState, &
constitutive_phenopowerlaw_getAccumulatedSlip, &
constitutive_phenopowerlaw_getSlipRate, &
constitutive_phenopowerlaw_postResults
private :: &
constitutive_phenopowerlaw_aTolState, &
constitutive_phenopowerlaw_stateInit
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_init(fileUnit)
use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment)
use prec, only: &
tol_math_check
use debug, only: &
debug_level, &
debug_constitutive,&
debug_levelBasic
use math, only: &
math_Mandel3333to66, &
math_Voigt66to3333
use IO, only: &
IO_read, &
IO_lc, &
IO_getTag, &
IO_isBlank, &
IO_stringPos, &
IO_stringValue, &
IO_floatValue, &
IO_intValue, &
IO_warning, &
IO_error, &
IO_timeStamp, &
IO_EOF
use material, only: &
homogenization_maxNgrains, &
phase_plasticity, &
phase_plasticityInstance, &
phase_Noutput, &
PLASTICITY_PHENOPOWERLAW_label, &
PLASTICITY_PHENOPOWERLAW_ID, &
material_phase, &
plasticState, &
MATERIAL_partPhase
use lattice
use numerics,only: &
worldrank, &
numerics_integrator
implicit none
integer(pInt), intent(in) :: fileUnit
integer(pInt), parameter :: MAXNCHUNKS = LATTICE_maxNinteraction + 1_pInt
integer(pInt), dimension(1_pInt+2_pInt*MAXNCHUNKS) :: positions
integer(pInt) :: &
maxNinstance, &
instance,phase,j,k, f,o, &
Nchunks_SlipSlip, Nchunks_SlipTwin, Nchunks_TwinSlip, Nchunks_TwinTwin, &
Nchunks_SlipFamilies, Nchunks_TwinFamilies, Nchunks_nonSchmid, &
index_myFamily, index_otherFamily, &
mySize=0_pInt,sizeState,sizeDotState
character(len=65536) :: &
tag = '', &
line = ''
integer(pInt) :: NofMyPhase
real(pReal), dimension(:), allocatable :: tempPerSlip
mainProcess: if (worldrank == 0) then
write(6,'(/,a)') ' <<<+- constitutive_'//PLASTICITY_PHENOPOWERLAW_label//' init -+>>>'
write(6,'(a)') ' $Id$'
write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
#include "compilation_info.f90"
endif mainProcess
maxNinstance = int(count(phase_plasticity == PLASTICITY_PHENOPOWERLAW_ID),pInt)
if (maxNinstance == 0_pInt) return
if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0_pInt) &
write(6,'(a16,1x,i5,/)') '# instances:',maxNinstance
allocate(constitutive_phenopowerlaw_sizePostResults(maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_sizePostResult(maxval(phase_Noutput),maxNinstance), &
source=0_pInt)
allocate(constitutive_phenopowerlaw_output(maxval(phase_Noutput),maxNinstance))
constitutive_phenopowerlaw_output = ''
allocate(constitutive_phenopowerlaw_outputID(maxval(phase_Noutput),maxNinstance),source=undefined_ID)
allocate(constitutive_phenopowerlaw_Noutput(maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_Nslip(lattice_maxNslipFamily,maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_Ntwin(lattice_maxNtwinFamily,maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_totalNslip(maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_totalNtwin(maxNinstance), source=0_pInt)
allocate(constitutive_phenopowerlaw_gdot0_slip(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_n_slip(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_tau0_slip(lattice_maxNslipFamily,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_tausat_slip(lattice_maxNslipFamily,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_gdot0_twin(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_n_twin(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_tau0_twin(lattice_maxNtwinFamily,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_spr(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_twinB(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_twinC(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_twinD(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_twinE(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_h0_SlipSlip(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_h0_SlipTwin(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_h0_TwinSlip(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_h0_TwinTwin(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_interaction_SlipSlip(lattice_maxNinteraction,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_interaction_SlipTwin(lattice_maxNinteraction,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_interaction_TwinSlip(lattice_maxNinteraction,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_interaction_TwinTwin(lattice_maxNinteraction,maxNinstance), &
source=0.0_pReal)
allocate(constitutive_phenopowerlaw_a_slip(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_aTolResistance(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_aTolShear(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_aTolTwinfrac(maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_nonSchmidCoeff(lattice_maxNnonSchmid,maxNinstance), &
source=0.0_pReal)
rewind(fileUnit)
phase = 0_pInt
do while (trim(line) /= IO_EOF .and. IO_lc(IO_getTag(line,'<','>')) /= material_partPhase) ! wind forward to <phase>
line = IO_read(fileUnit)
enddo
parsingFile: do while (trim(line) /= IO_EOF) ! read through sections of phase part
line = IO_read(fileUnit)
if (IO_isBlank(line)) cycle ! skip empty lines
if (IO_getTag(line,'<','>') /= '') then ! stop at next part
line = IO_read(fileUnit, .true.) ! reset IO_read
exit
endif
if (IO_getTag(line,'[',']') /= '') then ! next phase
phase = phase + 1_pInt ! advance phase section counter
if (phase_plasticity(phase) == PLASTICITY_PHENOPOWERLAW_ID) then
Nchunks_SlipFamilies = count(lattice_NslipSystem(:,phase) > 0_pInt)
Nchunks_TwinFamilies = count(lattice_NtwinSystem(:,phase) > 0_pInt)
Nchunks_SlipSlip = maxval(lattice_interactionSlipSlip(:,:,phase))
Nchunks_SlipTwin = maxval(lattice_interactionSlipTwin(:,:,phase))
Nchunks_TwinSlip = maxval(lattice_interactionTwinSlip(:,:,phase))
Nchunks_TwinTwin = maxval(lattice_interactionTwinTwin(:,:,phase))
Nchunks_nonSchmid = lattice_NnonSchmid(phase)
if(allocated(tempPerSlip)) deallocate(tempPerSlip)
allocate(tempPerSlip(Nchunks_SlipFamilies))
endif
cycle ! skip to next line
endif
if (phase > 0_pInt ) then; if (phase_plasticity(phase) == PLASTICITY_PHENOPOWERLAW_ID) then ! one of my phases. Do not short-circuit here (.and. between if-statements), it's not safe in Fortran
instance = phase_plasticityInstance(phase) ! which instance of my plasticity is present phase
positions = IO_stringPos(line,MAXNCHUNKS)
tag = IO_lc(IO_stringValue(line,positions,1_pInt)) ! extract key
select case(tag)
case ('(output)')
select case(IO_lc(IO_stringValue(line,positions,2_pInt)))
case ('resistance_slip')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = resistance_slip_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('accumulatedshear_slip')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = accumulatedshear_slip_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('shearrate_slip')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = shearrate_slip_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('resolvedstress_slip')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = resolvedstress_slip_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('totalshear')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = totalshear_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('resistance_twin')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = resistance_twin_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('accumulatedshear_twin')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = accumulatedshear_twin_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('shearrate_twin')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = shearrate_twin_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('resolvedstress_twin')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = resolvedstress_twin_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case ('totalvolfrac')
constitutive_phenopowerlaw_Noutput(instance) = constitutive_phenopowerlaw_Noutput(instance) + 1_pInt
constitutive_phenopowerlaw_outputID(constitutive_phenopowerlaw_Noutput(instance),instance) = totalvolfrac_ID
constitutive_phenopowerlaw_output(constitutive_phenopowerlaw_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
case default
end select
!--------------------------------------------------------------------------------------------------
! parameters depending on number of slip families
case ('nslip')
if (positions(1) < Nchunks_SlipFamilies + 1_pInt) &
call IO_warning(50_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (positions(1) > Nchunks_SlipFamilies + 1_pInt) &
call IO_error(150_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
Nchunks_SlipFamilies = positions(1) - 1_pInt
do j = 1_pInt, Nchunks_SlipFamilies
constitutive_phenopowerlaw_Nslip(j,instance) = IO_intValue(line,positions,1_pInt+j)
enddo
case ('tausat_slip','tau0_slip')
do j = 1_pInt, Nchunks_SlipFamilies
tempPerSlip(j) = IO_floatValue(line,positions,1_pInt+j)
enddo
select case(tag)
case ('tausat_slip')
constitutive_phenopowerlaw_tausat_slip(1:Nchunks_SlipFamilies,instance) = tempPerSlip(1:Nchunks_SlipFamilies)
case ('tau0_slip')
constitutive_phenopowerlaw_tau0_slip(1:Nchunks_SlipFamilies,instance) = tempPerSlip(1:Nchunks_SlipFamilies)
end select
!--------------------------------------------------------------------------------------------------
! parameters depending on number of twin families
case ('ntwin')
if (positions(1) < Nchunks_TwinFamilies + 1_pInt) &
call IO_warning(51_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (positions(1) > Nchunks_TwinFamilies + 1_pInt) &
call IO_error(150_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
Nchunks_TwinFamilies = positions(1) - 1_pInt
do j = 1_pInt, Nchunks_TwinFamilies
constitutive_phenopowerlaw_Ntwin(j,instance) = IO_intValue(line,positions,1_pInt+j)
enddo
case ('tau0_twin')
do j = 1_pInt, Nchunks_TwinFamilies
constitutive_phenopowerlaw_tau0_twin(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
!--------------------------------------------------------------------------------------------------
! parameters depending on number of interactions
case ('interaction_sliptwin')
if (positions(1) < 1_pInt + Nchunks_SlipTwin) &
call IO_warning(52_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
do j = 1_pInt, Nchunks_SlipTwin
constitutive_phenopowerlaw_interaction_SlipTwin(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
case ('interaction_twinslip')
if (positions(1) < 1_pInt + Nchunks_TwinSlip) &
call IO_warning(52_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
do j = 1_pInt, Nchunks_TwinSlip
constitutive_phenopowerlaw_interaction_TwinSlip(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
case ('interaction_twintwin')
if (positions(1) < 1_pInt + Nchunks_TwinTwin) &
call IO_warning(52_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
do j = 1_pInt, Nchunks_TwinTwin
constitutive_phenopowerlaw_interaction_TwinTwin(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
case ('nonschmid_coefficients')
if (positions(1) < 1_pInt + Nchunks_nonSchmid) &
call IO_warning(52_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
do j = 1_pInt,Nchunks_nonSchmid
constitutive_phenopowerlaw_nonSchmidCoeff(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
!--------------------------------------------------------------------------------------------------
! parameters independent of number of slip/twin systems
case ('gdot0_slip')
constitutive_phenopowerlaw_gdot0_slip(instance) = IO_floatValue(line,positions,2_pInt)
case ('n_slip')
constitutive_phenopowerlaw_n_slip(instance) = IO_floatValue(line,positions,2_pInt)
case ('a_slip', 'w0_slip')
constitutive_phenopowerlaw_a_slip(instance) = IO_floatValue(line,positions,2_pInt)
case ('gdot0_twin')
constitutive_phenopowerlaw_gdot0_twin(instance) = IO_floatValue(line,positions,2_pInt)
case ('n_twin')
constitutive_phenopowerlaw_n_twin(instance) = IO_floatValue(line,positions,2_pInt)
case ('s_pr')
constitutive_phenopowerlaw_spr(instance) = IO_floatValue(line,positions,2_pInt)
case ('twin_b')
constitutive_phenopowerlaw_twinB(instance) = IO_floatValue(line,positions,2_pInt)
case ('twin_c')
constitutive_phenopowerlaw_twinC(instance) = IO_floatValue(line,positions,2_pInt)
case ('twin_d')
constitutive_phenopowerlaw_twinD(instance) = IO_floatValue(line,positions,2_pInt)
case ('twin_e')
constitutive_phenopowerlaw_twinE(instance) = IO_floatValue(line,positions,2_pInt)
case ('h0_slipslip')
constitutive_phenopowerlaw_h0_SlipSlip(instance) = IO_floatValue(line,positions,2_pInt)
case ('h0_sliptwin')
constitutive_phenopowerlaw_h0_SlipTwin(instance) = IO_floatValue(line,positions,2_pInt)
call IO_warning(42_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
case ('h0_twinslip')
constitutive_phenopowerlaw_h0_TwinSlip(instance) = IO_floatValue(line,positions,2_pInt)
case ('h0_twintwin')
constitutive_phenopowerlaw_h0_TwinTwin(instance) = IO_floatValue(line,positions,2_pInt)
case ('atol_resistance')
constitutive_phenopowerlaw_aTolResistance(instance) = IO_floatValue(line,positions,2_pInt)
case ('atol_shear')
constitutive_phenopowerlaw_aTolShear(instance) = IO_floatValue(line,positions,2_pInt)
case ('atol_twinfrac')
constitutive_phenopowerlaw_aTolTwinfrac(instance) = IO_floatValue(line,positions,2_pInt)
case ('interaction_slipslip')
if (positions(1) < 1_pInt + Nchunks_SlipSlip) &
call IO_warning(52_pInt,ext_msg=trim(tag)//' ('//PLASTICITY_PHENOPOWERLAW_label//')')
do j = 1_pInt, Nchunks_SlipSlip
constitutive_phenopowerlaw_interaction_SlipSlip(j,instance) = IO_floatValue(line,positions,1_pInt+j)
enddo
case default
end select
endif; endif
enddo parsingFile
sanityChecks: do phase = 1_pInt, size(phase_plasticity)
NofMyPhase=count(material_phase==phase)
myPhase: if (phase_plasticity(phase) == PLASTICITY_phenopowerlaw_ID) then
instance = phase_plasticityInstance(phase)
constitutive_phenopowerlaw_Nslip(1:lattice_maxNslipFamily,instance) = &
min(lattice_NslipSystem(1:lattice_maxNslipFamily,phase),& ! limit active slip systems per family to min of available and requested
constitutive_phenopowerlaw_Nslip(1:lattice_maxNslipFamily,instance))
constitutive_phenopowerlaw_Ntwin(1:lattice_maxNtwinFamily,instance) = &
min(lattice_NtwinSystem(1:lattice_maxNtwinFamily,phase),& ! limit active twin systems per family to min of available and requested
constitutive_phenopowerlaw_Ntwin(:,instance))
constitutive_phenopowerlaw_totalNslip(instance) = sum(constitutive_phenopowerlaw_Nslip(:,instance)) ! how many slip systems altogether
constitutive_phenopowerlaw_totalNtwin(instance) = sum(constitutive_phenopowerlaw_Ntwin(:,instance)) ! how many twin systems altogether
if (any(constitutive_phenopowerlaw_tau0_slip(:,instance) < 0.0_pReal .and. &
constitutive_phenopowerlaw_Nslip(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='tau0_slip ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (constitutive_phenopowerlaw_gdot0_slip(instance) <= 0.0_pReal) &
call IO_error(211_pInt,el=instance,ext_msg='gdot0_slip ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (constitutive_phenopowerlaw_n_slip(instance) <= 0.0_pReal) &
call IO_error(211_pInt,el=instance,ext_msg='n_slip ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (any(constitutive_phenopowerlaw_tausat_slip(:,instance) <= 0.0_pReal .and. &
constitutive_phenopowerlaw_Nslip(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='tausat_slip ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (any(constitutive_phenopowerlaw_a_slip(instance) == 0.0_pReal .and. &
constitutive_phenopowerlaw_Nslip(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='a_slip ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (any(constitutive_phenopowerlaw_tau0_twin(:,instance) < 0.0_pReal .and. &
constitutive_phenopowerlaw_Ntwin(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='tau0_twin ('//PLASTICITY_PHENOPOWERLAW_label//')')
if ( constitutive_phenopowerlaw_gdot0_twin(instance) <= 0.0_pReal .and. &
any(constitutive_phenopowerlaw_Ntwin(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='gdot0_twin ('//PLASTICITY_PHENOPOWERLAW_label//')')
if ( constitutive_phenopowerlaw_n_twin(instance) <= 0.0_pReal .and. &
any(constitutive_phenopowerlaw_Ntwin(:,instance) > 0)) &
call IO_error(211_pInt,el=instance,ext_msg='n_twin ('//PLASTICITY_PHENOPOWERLAW_label//')')
if (constitutive_phenopowerlaw_aTolResistance(instance) <= 0.0_pReal) &
constitutive_phenopowerlaw_aTolResistance(instance) = 1.0_pReal ! default absolute tolerance 1 Pa
if (constitutive_phenopowerlaw_aTolShear(instance) <= 0.0_pReal) &
constitutive_phenopowerlaw_aTolShear(instance) = 1.0e-6_pReal ! default absolute tolerance 1e-6
if (constitutive_phenopowerlaw_aTolTwinfrac(instance) <= 0.0_pReal) &
constitutive_phenopowerlaw_aTolTwinfrac(instance) = 1.0e-6_pReal ! default absolute tolerance 1e-6
endif myPhase
enddo sanityChecks
!--------------------------------------------------------------------------------------------------
! allocation of variables whose size depends on the total number of active slip systems
allocate(constitutive_phenopowerlaw_hardeningMatrix_SlipSlip(maxval(constitutive_phenopowerlaw_totalNslip),& ! slip resistance from slip activity
maxval(constitutive_phenopowerlaw_totalNslip),&
maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_hardeningMatrix_SlipTwin(maxval(constitutive_phenopowerlaw_totalNslip),& ! slip resistance from twin activity
maxval(constitutive_phenopowerlaw_totalNtwin),&
maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_hardeningMatrix_TwinSlip(maxval(constitutive_phenopowerlaw_totalNtwin),& ! twin resistance from slip activity
maxval(constitutive_phenopowerlaw_totalNslip),&
maxNinstance), source=0.0_pReal)
allocate(constitutive_phenopowerlaw_hardeningMatrix_TwinTwin(maxval(constitutive_phenopowerlaw_totalNtwin),& ! twin resistance from twin activity
maxval(constitutive_phenopowerlaw_totalNtwin),&
maxNinstance), source=0.0_pReal)
initializeInstances: do phase = 1_pInt, size(phase_plasticity)
myPhase2: if (phase_plasticity(phase) == PLASTICITY_phenopowerlaw_ID) then
NofMyPhase=count(material_phase==phase)
instance = phase_plasticityInstance(phase)
!--------------------------------------------------------------------------------------------------
! Determine size of postResults array
outputsLoop: do o = 1_pInt,constitutive_phenopowerlaw_Noutput(instance)
select case(constitutive_phenopowerlaw_outputID(o,instance))
case(resistance_slip_ID, &
shearrate_slip_ID, &
accumulatedshear_slip_ID, &
resolvedstress_slip_ID &
)
mySize = constitutive_phenopowerlaw_totalNslip(instance)
case(resistance_twin_ID, &
shearrate_twin_ID, &
accumulatedshear_twin_ID, &
resolvedstress_twin_ID &
)
mySize = constitutive_phenopowerlaw_totalNtwin(instance)
case(totalshear_ID, &
totalvolfrac_ID &
)
mySize = 1_pInt
case default
end select
outputFound: if (mySize > 0_pInt) then
constitutive_phenopowerlaw_sizePostResult(o,instance) = mySize
constitutive_phenopowerlaw_sizePostResults(instance) = constitutive_phenopowerlaw_sizePostResults(instance) + mySize
endif outputFound
enddo outputsLoop
!--------------------------------------------------------------------------------------------------
! allocate state arrays
sizeState = constitutive_phenopowerlaw_totalNslip(instance) * 2_pInt & ! s_slip, accshear_slip
+ constitutive_phenopowerlaw_totalNtwin(instance) * 2_pInt & ! s_twin, accshear_twin
+ 2_pInt ! sum(gamma) + sum(f)
sizeDotState = sizeState
plasticState(phase)%sizeState = sizeState
plasticState(phase)%sizeDotState = sizeDotState
plasticState(phase)%sizePostResults = constitutive_phenopowerlaw_sizePostResults(instance)
allocate(plasticState(phase)%aTolState ( sizeState), source=0.0_pReal)
allocate(plasticState(phase)%state0 ( sizeState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%partionedState0 ( sizeState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%subState0 ( sizeState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%state ( sizeState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%state_backup ( sizeState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%dotState (sizeDotState,NofMyPhase), source=0.0_pReal)
allocate(plasticState(phase)%dotState_backup (sizeDotState,NofMyPhase), source=0.0_pReal)
if (any(numerics_integrator == 1_pInt)) then
allocate(plasticState(phase)%previousDotState (sizeDotState,NofMyPhase),source=0.0_pReal)
allocate(plasticState(phase)%previousDotState2(sizeDotState,NofMyPhase),source=0.0_pReal)
endif
if (any(numerics_integrator == 4_pInt)) &
allocate(plasticState(phase)%RK4dotState (sizeDotState,NofMyPhase), source=0.0_pReal)
if (any(numerics_integrator == 5_pInt)) &
allocate(plasticState(phase)%RKCK45dotState (6,sizeDotState,NofMyPhase),source=0.0_pReal)
do f = 1_pInt,lattice_maxNslipFamily ! >>> interaction slip -- X
index_myFamily = sum(constitutive_phenopowerlaw_Nslip(1:f-1_pInt,instance))
do j = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! loop over (active) systems in my family (slip)
do o = 1_pInt,lattice_maxNslipFamily
index_otherFamily = sum(constitutive_phenopowerlaw_Nslip(1:o-1_pInt,instance))
do k = 1_pInt,constitutive_phenopowerlaw_Nslip(o,instance) ! loop over (active) systems in other family (slip)
constitutive_phenopowerlaw_hardeningMatrix_SlipSlip(index_myFamily+j,index_otherFamily+k,instance) = &
constitutive_phenopowerlaw_interaction_SlipSlip(lattice_interactionSlipSlip( &
sum(lattice_NslipSystem(1:f-1,phase))+j, &
sum(lattice_NslipSystem(1:o-1,phase))+k, &
phase), instance )
enddo; enddo
do o = 1_pInt,lattice_maxNtwinFamily
index_otherFamily = sum(constitutive_phenopowerlaw_Ntwin(1:o-1_pInt,instance))
do k = 1_pInt,constitutive_phenopowerlaw_Ntwin(o,instance) ! loop over (active) systems in other family (twin)
constitutive_phenopowerlaw_hardeningMatrix_SlipTwin(index_myFamily+j,index_otherFamily+k,instance) = &
constitutive_phenopowerlaw_interaction_SlipTwin(lattice_interactionSlipTwin( &
sum(lattice_NslipSystem(1:f-1_pInt,phase))+j, &
sum(lattice_NtwinSystem(1:o-1_pInt,phase))+k, &
phase), instance )
enddo; enddo
enddo; enddo
do f = 1_pInt,lattice_maxNtwinFamily ! >>> interaction twin -- X
index_myFamily = sum(constitutive_phenopowerlaw_Ntwin(1:f-1_pInt,instance))
do j = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! loop over (active) systems in my family (twin)
do o = 1_pInt,lattice_maxNslipFamily
index_otherFamily = sum(constitutive_phenopowerlaw_Nslip(1:o-1_pInt,instance))
do k = 1_pInt,constitutive_phenopowerlaw_Nslip(o,instance) ! loop over (active) systems in other family (slip)
constitutive_phenopowerlaw_hardeningMatrix_TwinSlip(index_myFamily+j,index_otherFamily+k,instance) = &
constitutive_phenopowerlaw_interaction_TwinSlip(lattice_interactionTwinSlip( &
sum(lattice_NtwinSystem(1:f-1_pInt,phase))+j, &
sum(lattice_NslipSystem(1:o-1_pInt,phase))+k, &
phase), instance )
enddo; enddo
do o = 1_pInt,lattice_maxNtwinFamily
index_otherFamily = sum(constitutive_phenopowerlaw_Ntwin(1:o-1_pInt,instance))
do k = 1_pInt,constitutive_phenopowerlaw_Ntwin(o,instance) ! loop over (active) systems in other family (twin)
constitutive_phenopowerlaw_hardeningMatrix_TwinTwin(index_myFamily+j,index_otherFamily+k,instance) = &
constitutive_phenopowerlaw_interaction_TwinTwin(lattice_interactionTwinTwin( &
sum(lattice_NtwinSystem(1:f-1_pInt,phase))+j, &
sum(lattice_NtwinSystem(1:o-1_pInt,phase))+k, &
phase), instance )
enddo; enddo
enddo; enddo
call constitutive_phenopowerlaw_stateInit(phase,instance)
call constitutive_phenopowerlaw_aTolState(phase,instance)
endif myPhase2
enddo initializeInstances
end subroutine constitutive_phenopowerlaw_init
!--------------------------------------------------------------------------------------------------
!> @brief sets the initial microstructural state for a given instance of this plasticity
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_stateInit(ph,instance)
use lattice, only: &
lattice_maxNslipFamily, &
lattice_maxNtwinFamily
use material, only: &
plasticState, &
mappingConstitutive
implicit none
integer(pInt), intent(in) :: &
instance, & !< number specifying the instance of the plasticity
ph
integer(pInt) :: &
i
real(pReal), dimension(plasticState(ph)%sizeState) :: &
tempState
tempState = 0.0_pReal
do i = 1_pInt,lattice_maxNslipFamily
tempState(1+sum(constitutive_phenopowerlaw_Nslip(1:i-1,instance)) : &
sum(constitutive_phenopowerlaw_Nslip(1:i ,instance))) = &
constitutive_phenopowerlaw_tau0_slip(i,instance)
enddo
do i = 1_pInt,lattice_maxNtwinFamily
tempState(1+sum(constitutive_phenopowerlaw_Nslip(:,instance))+&
sum(constitutive_phenopowerlaw_Ntwin(1:i-1,instance)) : &
sum(constitutive_phenopowerlaw_Nslip(:,instance))+&
sum(constitutive_phenopowerlaw_Ntwin(1:i ,instance))) = &
constitutive_phenopowerlaw_tau0_twin(i,instance)
enddo
plasticState(ph)%state0(:,:) = spread(tempState,2,size(plasticState(ph)%state0(1,:)))
end subroutine constitutive_phenopowerlaw_stateInit
!--------------------------------------------------------------------------------------------------
!> @brief sets the relevant state values for a given instance of this plasticity
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_aTolState(ph,instance)
use material, only: &
plasticState
implicit none
integer(pInt), intent(in) :: &
instance, & !< number specifying the instance of the plasticity
ph
plasticState(ph)%aTolState(1:constitutive_phenopowerlaw_totalNslip(instance)+ &
constitutive_phenopowerlaw_totalNtwin(instance)) = &
constitutive_phenopowerlaw_aTolResistance(instance)
plasticState(ph)%aTolState(1+constitutive_phenopowerlaw_totalNslip(instance)+ &
constitutive_phenopowerlaw_totalNtwin(instance)) = &
constitutive_phenopowerlaw_aTolShear(instance)
plasticState(ph)%aTolState(2+constitutive_phenopowerlaw_totalNslip(instance)+ &
constitutive_phenopowerlaw_totalNtwin(instance)) = &
constitutive_phenopowerlaw_aTolTwinFrac(instance)
plasticState(ph)%aTolState(3+constitutive_phenopowerlaw_totalNslip(instance)+ &
constitutive_phenopowerlaw_totalNtwin(instance): &
2+2*(constitutive_phenopowerlaw_totalNslip(instance)+ &
constitutive_phenopowerlaw_totalNtwin(instance))) = &
constitutive_phenopowerlaw_aTolShear(instance)
end subroutine constitutive_phenopowerlaw_aTolState
!--------------------------------------------------------------------------------------------------
!> @brief calculates plastic velocity gradient and its tangent
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_LpAndItsTangent(Lp,dLp_dTstar99,Tstar_v,ipc,ip,el)
use prec, only: &
p_vec
use math, only: &
math_Plain3333to99, &
math_Mandel6to33
use lattice, only: &
lattice_Sslip, &
lattice_Sslip_v, &
lattice_Stwin, &
lattice_Stwin_v, &
lattice_maxNslipFamily, &
lattice_maxNtwinFamily, &
lattice_NslipSystem, &
lattice_NtwinSystem, &
lattice_NnonSchmid
use mesh, only: &
mesh_NcpElems, &
mesh_maxNips
use material, only: &
homogenization_maxNgrains, &
material_phase, &
plasticState, &
mappingConstitutive, &
phase_plasticityInstance
implicit none
real(pReal), dimension(3,3), intent(out) :: &
Lp !< plastic velocity gradient
real(pReal), dimension(9,9), intent(out) :: &
dLp_dTstar99 !< derivative of Lp with respect to 2nd Piola Kirchhoff stress
real(pReal), dimension(6), intent(in) :: &
Tstar_v !< 2nd Piola Kirchhoff stress tensor in Mandel notation
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element
integer(pInt) :: &
instance, &
nSlip, &
nTwin,index_Gamma,index_F,index_myFamily, &
f,i,j,k,l,m,n, &
of, &
ph
real(pReal), dimension(3,3,3,3) :: &
dLp_dTstar3333 !< derivative of Lp with respect to Tstar as 4th order tensor
real(pReal), dimension(3,3,2) :: &
nonSchmid_tensor
real(pReal), dimension(constitutive_phenopowerlaw_totalNslip(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
gdot_slip_pos,gdot_slip_neg,dgdot_dtauslip_pos,dgdot_dtauslip_neg,tau_slip_pos,tau_slip_neg
real(pReal), dimension(constitutive_phenopowerlaw_totalNtwin(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
gdot_twin,dgdot_dtautwin,tau_twin
of = mappingConstitutive(1,ipc,ip,el)
ph = mappingConstitutive(2,ipc,ip,el)
instance = phase_plasticityInstance(ph)
nSlip = constitutive_phenopowerlaw_totalNslip(instance)
nTwin = constitutive_phenopowerlaw_totalNtwin(instance)
index_Gamma = nSlip + nTwin + 1_pInt
index_F = nSlip + nTwin + 2_pInt
Lp = 0.0_pReal
dLp_dTstar3333 = 0.0_pReal
dLp_dTstar99 = 0.0_pReal
j = 0_pInt
slipFamiliesLoop: do f = 1_pInt,lattice_maxNslipFamily
index_myFamily = sum(lattice_NslipSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j+1_pInt
!--------------------------------------------------------------------------------------------------
! Calculation of Lp
tau_slip_pos(j) = dot_product(Tstar_v,lattice_Sslip_v(1:6,1,index_myFamily+i,ph))
tau_slip_neg(j) = tau_slip_pos(j)
nonSchmid_tensor(1:3,1:3,1) = lattice_Sslip(1:3,1:3,1,index_myFamily+i,ph)
nonSchmid_tensor(1:3,1:3,2) = nonSchmid_tensor(1:3,1:3,1)
do k = 1,lattice_NnonSchmid(ph)
tau_slip_pos(j) = tau_slip_pos(j) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k,index_myFamily+i,ph))
tau_slip_neg(j) = tau_slip_neg(j) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k+1,index_myFamily+i,ph))
nonSchmid_tensor(1:3,1:3,1) = nonSchmid_tensor(1:3,1:3,1) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)*&
lattice_Sslip(1:3,1:3,2*k,index_myFamily+i,ph)
nonSchmid_tensor(1:3,1:3,2) = nonSchmid_tensor(1:3,1:3,2) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)*&
lattice_Sslip(1:3,1:3,2*k+1,index_myFamily+i,ph)
enddo
gdot_slip_pos(j) = 0.5_pReal*constitutive_phenopowerlaw_gdot0_slip(instance)* &
((abs(tau_slip_pos(j))/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance))*&
sign(1.0_pReal,tau_slip_pos(j))
gdot_slip_neg(j) = 0.5_pReal*constitutive_phenopowerlaw_gdot0_slip(instance)* &
((abs(tau_slip_neg(j))/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance))*&
sign(1.0_pReal,tau_slip_neg(j))
Lp = Lp + (1.0_pReal-plasticState(ph)%state(index_F,of))*& ! 1-F
(gdot_slip_pos(j)+gdot_slip_neg(j))*lattice_Sslip(1:3,1:3,1,index_myFamily+i,ph)
!--------------------------------------------------------------------------------------------------
! Calculation of the tangent of Lp
if (gdot_slip_pos(j) /= 0.0_pReal) then
dgdot_dtauslip_pos(j) = gdot_slip_pos(j)*constitutive_phenopowerlaw_n_slip(instance)/tau_slip_pos(j)
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLp_dTstar3333(k,l,m,n) = dLp_dTstar3333(k,l,m,n) + &
dgdot_dtauslip_pos(j)*lattice_Sslip(k,l,1,index_myFamily+i,ph)* &
nonSchmid_tensor(m,n,1)
endif
if (gdot_slip_neg(j) /= 0.0_pReal) then
dgdot_dtauslip_neg(j) = gdot_slip_neg(j)*constitutive_phenopowerlaw_n_slip(instance)/tau_slip_neg(j)
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLp_dTstar3333(k,l,m,n) = dLp_dTstar3333(k,l,m,n) + &
dgdot_dtauslip_neg(j)*lattice_Sslip(k,l,1,index_myFamily+i,ph)* &
nonSchmid_tensor(m,n,2)
endif
enddo
enddo slipFamiliesLoop
j = 0_pInt
twinFamiliesLoop: do f = 1_pInt,lattice_maxNtwinFamily
index_myFamily = sum(lattice_NtwinSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! process each (active) twin system in family
j = j+1_pInt
!--------------------------------------------------------------------------------------------------
! Calculation of Lp
tau_twin(j) = dot_product(Tstar_v,lattice_Stwin_v(1:6,index_myFamily+i,ph))
gdot_twin(j) = (1.0_pReal-plasticState(ph)%state(index_F,of))*& ! 1-F
constitutive_phenopowerlaw_gdot0_twin(instance)*&
(abs(tau_twin(j))/plasticState(ph)%state(nSlip+j,of))**&
constitutive_phenopowerlaw_n_twin(instance)*max(0.0_pReal,sign(1.0_pReal,tau_twin(j)))
Lp = Lp + gdot_twin(j)*lattice_Stwin(1:3,1:3,index_myFamily+i,ph)
!--------------------------------------------------------------------------------------------------
! Calculation of the tangent of Lp
if (gdot_twin(j) /= 0.0_pReal) then
dgdot_dtautwin(j) = gdot_twin(j)*constitutive_phenopowerlaw_n_twin(instance)/tau_twin(j)
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLp_dTstar3333(k,l,m,n) = dLp_dTstar3333(k,l,m,n) + &
dgdot_dtautwin(j)*lattice_Stwin(k,l,index_myFamily+i,ph)* &
lattice_Stwin(m,n,index_myFamily+i,ph)
endif
enddo
enddo twinFamiliesLoop
dLp_dTstar99 = math_Plain3333to99(dLp_dTstar3333)
end subroutine constitutive_phenopowerlaw_LpAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief calculates the rate of change of microstructure
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_dotState(Tstar_v,ipc,ip,el)
use lattice, only: &
lattice_Sslip_v, &
lattice_Stwin_v, &
lattice_maxNslipFamily, &
lattice_maxNtwinFamily, &
lattice_NslipSystem, &
lattice_NtwinSystem, &
lattice_shearTwin, &
lattice_NnonSchmid
use mesh, only: &
mesh_NcpElems,&
mesh_maxNips
use material, only: &
homogenization_maxNgrains, &
material_phase, &
mappingConstitutive, &
plasticState, &
phase_plasticityInstance
implicit none
real(pReal), dimension(6), intent(in) :: &
Tstar_v !< 2nd Piola Kirchhoff stress tensor in Mandel notation
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element !< microstructure state
integer(pInt) :: &
instance,ph, &
nSlip,nTwin, &
f,i,j,k, &
index_Gamma,index_F,index_myFamily, &
offset_accshear_slip,offset_accshear_twin, &
of
real(pReal) :: &
c_SlipSlip,c_SlipTwin,c_TwinSlip,c_TwinTwin, &
ssat_offset
real(pReal), dimension(constitutive_phenopowerlaw_totalNslip(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
gdot_slip,tau_slip_pos,tau_slip_neg,left_SlipSlip,left_SlipTwin,right_SlipSlip,right_TwinSlip
real(pReal), dimension(constitutive_phenopowerlaw_totalNtwin(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
gdot_twin,tau_twin,left_TwinSlip,left_TwinTwin,right_SlipTwin,right_TwinTwin
of = mappingConstitutive(1,ipc,ip,el)
ph = mappingConstitutive(2,ipc,ip,el)
instance = phase_plasticityInstance(ph)
nSlip = constitutive_phenopowerlaw_totalNslip(instance)
nTwin = constitutive_phenopowerlaw_totalNtwin(instance)
index_Gamma = nSlip + nTwin + 1_pInt
index_F = nSlip + nTwin + 2_pInt
offset_accshear_slip = nSlip + nTwin + 2_pInt
offset_accshear_twin = nSlip + nTwin + 2_pInt + nSlip
plasticState(ph)%dotState(:,of) = 0.0_pReal
!--------------------------------------------------------------------------------------------------
! system-independent (nonlinear) prefactors to M_Xx (X influenced by x) matrices
c_SlipSlip = constitutive_phenopowerlaw_h0_SlipSlip(instance)*&
(1.0_pReal + constitutive_phenopowerlaw_twinC(instance)*plasticState(ph)%state(index_F,of)**&
constitutive_phenopowerlaw_twinB(instance))
c_SlipTwin = 0.0_pReal
c_TwinSlip = constitutive_phenopowerlaw_h0_TwinSlip(instance)*&
plasticState(ph)%state(index_Gamma,of)**constitutive_phenopowerlaw_twinE(instance)
c_TwinTwin = constitutive_phenopowerlaw_h0_TwinTwin(instance)*&
plasticState(ph)%state(index_F,of)**constitutive_phenopowerlaw_twinD(instance)
!--------------------------------------------------------------------------------------------------
! calculate left and right vectors and calculate dot gammas
ssat_offset = constitutive_phenopowerlaw_spr(instance)*sqrt(plasticState(ph)%state(index_F,of))
j = 0_pInt
slipFamiliesLoop1: do f = 1_pInt,lattice_maxNslipFamily
index_myFamily = sum(lattice_NslipSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j+1_pInt
left_SlipSlip(j) = 1.0_pReal ! no system-dependent left part
left_SlipTwin(j) = 1.0_pReal ! no system-dependent left part
right_SlipSlip(j) = abs(1.0_pReal-plasticState(ph)%state(j,of) / &
(constitutive_phenopowerlaw_tausat_slip(f,instance)+ssat_offset)) &
**constitutive_phenopowerlaw_a_slip(instance)&
*sign(1.0_pReal,1.0_pReal-plasticState(ph)%state(j,of) / &
(constitutive_phenopowerlaw_tausat_slip(f,instance)+ssat_offset))
right_TwinSlip(j) = 1.0_pReal ! no system-dependent part
!--------------------------------------------------------------------------------------------------
! Calculation of dot gamma
tau_slip_pos(j) = dot_product(Tstar_v,lattice_Sslip_v(1:6,1,index_myFamily+i,ph))
tau_slip_neg(j) = tau_slip_pos(j)
do k = 1,lattice_NnonSchmid(ph)
tau_slip_pos(j) = tau_slip_pos(j) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k,index_myFamily+i,ph))
tau_slip_neg(j) = tau_slip_neg(j) + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k+1,index_myFamily+i,ph))
enddo
gdot_slip(j) = constitutive_phenopowerlaw_gdot0_slip(instance)*0.5_pReal* &
((abs(tau_slip_pos(j))/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance) &
+(abs(tau_slip_neg(j))/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance))&
*sign(1.0_pReal,tau_slip_pos(j))
enddo
enddo slipFamiliesLoop1
j = 0_pInt
twinFamiliesLoop1: do f = 1_pInt,lattice_maxNtwinFamily
index_myFamily = sum(lattice_NtwinSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! process each (active) twin system in family
j = j+1_pInt
left_TwinSlip(j) = 1.0_pReal ! no system-dependent right part
left_TwinTwin(j) = 1.0_pReal ! no system-dependent right part
right_SlipTwin(j) = 1.0_pReal ! no system-dependent right part
right_TwinTwin(j) = 1.0_pReal ! no system-dependent right part
!--------------------------------------------------------------------------------------------------
! Calculation of dot vol frac
tau_twin(j) = dot_product(Tstar_v,lattice_Stwin_v(1:6,index_myFamily+i,ph))
gdot_twin(j) = (1.0_pReal-plasticState(ph)%state(index_F,of))*& ! 1-F
constitutive_phenopowerlaw_gdot0_twin(instance)*&
(abs(tau_twin(j))/plasticState(ph)%state(nslip+j,of))**&
constitutive_phenopowerlaw_n_twin(instance)*max(0.0_pReal,sign(1.0_pReal,tau_twin(j)))
enddo
enddo twinFamiliesLoop1
!--------------------------------------------------------------------------------------------------
! calculate the overall hardening based on above
j = 0_pInt
slipFamiliesLoop2: do f = 1_pInt,lattice_maxNslipFamily
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j+1_pInt
plasticState(ph)%dotState(j,of) = & ! evolution of slip resistance j
c_SlipSlip * left_SlipSlip(j) * &
dot_product(constitutive_phenopowerlaw_hardeningMatrix_SlipSlip(j,1:nSlip,instance), &
right_SlipSlip*abs(gdot_slip)) + & ! dot gamma_slip modulated by right-side slip factor
c_SlipTwin * left_SlipTwin(j) * &
dot_product(constitutive_phenopowerlaw_hardeningMatrix_SlipTwin(j,1:nTwin,instance), &
right_SlipTwin*gdot_twin) ! dot gamma_twin modulated by right-side twin factor
plasticState(ph)%dotState(index_Gamma,of) = plasticState(ph)%dotState(index_Gamma,of) + &
abs(gdot_slip(j))
plasticState(ph)%dotState(offset_accshear_slip+j,of) = abs(gdot_slip(j))
enddo
enddo slipFamiliesLoop2
j = 0_pInt
twinFamiliesLoop2: do f = 1_pInt,lattice_maxNtwinFamily
index_myFamily = sum(lattice_NtwinSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! process each (active) twin system in family
j = j+1_pInt
plasticState(ph)%dotState(j+nSlip,of) = & ! evolution of twin resistance j
c_TwinSlip * left_TwinSlip(j) * &
dot_product(constitutive_phenopowerlaw_hardeningMatrix_TwinSlip(j,1:nSlip,instance), &
right_TwinSlip*abs(gdot_slip)) + & ! dot gamma_slip modulated by right-side slip factor
c_TwinTwin * left_TwinTwin(j) * &
dot_product(constitutive_phenopowerlaw_hardeningMatrix_TwinTwin(j,1:nTwin,instance), &
right_TwinTwin*gdot_twin) ! dot gamma_twin modulated by right-side twin factor
if (plasticState(ph)%state(index_F,of) < 0.98_pReal) & ! ensure twin volume fractions stays below 1.0
plasticState(ph)%dotState(index_F,of) = plasticState(ph)%dotState(index_F,of) + &
gdot_twin(j)/lattice_shearTwin(index_myFamily+i,ph)
plasticState(ph)%dotState(offset_accshear_twin+j,of) = abs(gdot_twin(j))
enddo
enddo twinFamiliesLoop2
end subroutine constitutive_phenopowerlaw_dotState
!--------------------------------------------------------------------------------------------------
!> @brief returns accumulated slip
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_getAccumulatedSlip(nSlip,accumulatedSlip,ipc, ip, el)
use lattice, only: &
lattice_maxNslipFamily
use material, only: &
mappingConstitutive, &
plasticState, &
phase_plasticityInstance
implicit none
real(pReal), dimension(:), allocatable :: &
accumulatedSlip
integer(pInt) :: &
nSlip
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
integer(pInt) :: &
offset, &
phase, &
instance, &
offset_accshear_slip, &
nTwin, &
f, j, i
offset = mappingConstitutive(1,ipc,ip,el)
phase = mappingConstitutive(2,ipc,ip,el)
instance = phase_plasticityInstance(phase)
nSlip = constitutive_phenopowerlaw_totalNslip(instance)
nTwin = constitutive_phenopowerlaw_totalNtwin(instance)
offset_accshear_slip = nSlip + nTwin + 2_pInt
allocate(accumulatedSlip(nSlip))
j = 0_pInt
slipFamiliesLoop: do f = 1_pInt,lattice_maxNslipFamily
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j+1_pInt
accumulatedSlip(j) = plasticState(phase)%state(offset_accshear_slip+j,offset)
enddo
enddo slipFamiliesLoop
end subroutine constitutive_phenopowerlaw_getAccumulatedSlip
!--------------------------------------------------------------------------------------------------
!> @brief returns accumulated slip rate
!--------------------------------------------------------------------------------------------------
subroutine constitutive_phenopowerlaw_getSlipRate(nSlip,slipRate,ipc, ip, el)
use lattice, only: &
lattice_maxNslipFamily
use material, only: &
mappingConstitutive, &
plasticState, &
phase_plasticityInstance
implicit none
real(pReal), dimension(:), allocatable :: &
slipRate
integer(pInt) :: &
nSlip
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
integer(pInt) :: &
offset, &
phase, &
instance, &
offset_accshear_slip, &
nTwin, &
f, j, i
offset = mappingConstitutive(1,ipc,ip,el)
phase = mappingConstitutive(2,ipc,ip,el)
instance = phase_plasticityInstance(phase)
nSlip = constitutive_phenopowerlaw_totalNslip(instance)
nTwin = constitutive_phenopowerlaw_totalNtwin(instance)
offset_accshear_slip = nSlip + nTwin + 2_pInt
allocate(slipRate(nSlip))
j = 0_pInt
slipFamiliesLoop: do f = 1_pInt,lattice_maxNslipFamily
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j+1_pInt
slipRate(j) = plasticState(phase)%dotState(offset_accshear_slip+j,offset)
enddo
enddo slipFamiliesLoop
end subroutine constitutive_phenopowerlaw_getSlipRate
!--------------------------------------------------------------------------------------------------
!> @brief return array of constitutive results
!--------------------------------------------------------------------------------------------------
function constitutive_phenopowerlaw_postResults(Tstar_v,ipc,ip,el)
use prec, only: &
p_vec
use mesh, only: &
mesh_NcpElems, &
mesh_maxNips
use material, only: &
homogenization_maxNgrains, &
material_phase, &
plasticState, &
mappingConstitutive, &
phase_plasticityInstance, &
phase_Noutput
use lattice, only: &
lattice_Sslip_v, &
lattice_Stwin_v, &
lattice_maxNslipFamily, &
lattice_maxNtwinFamily, &
lattice_NslipSystem, &
lattice_NtwinSystem, &
lattice_NnonSchmid
use mesh, only: &
mesh_NcpElems, &
mesh_maxNips
implicit none
real(pReal), dimension(6), intent(in) :: &
Tstar_v !< 2nd Piola Kirchhoff stress tensor in Mandel notation
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element !< microstructure state
real(pReal), dimension(constitutive_phenopowerlaw_sizePostResults(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
constitutive_phenopowerlaw_postResults
integer(pInt) :: &
instance,ph, of, &
nSlip,nTwin, &
o,f,i,c,j,k, &
index_Gamma,index_F,index_accshear_slip,index_accshear_twin,index_myFamily
real(pReal) :: &
tau_slip_pos,tau_slip_neg,tau
of = mappingConstitutive(1,ipc,ip,el)
ph = mappingConstitutive(2,ipc,ip,el)
instance = phase_plasticityInstance(ph)
nSlip = constitutive_phenopowerlaw_totalNslip(instance)
nTwin = constitutive_phenopowerlaw_totalNtwin(instance)
index_Gamma = nSlip + nTwin + 1_pInt
index_F = nSlip + nTwin + 2_pInt
index_accshear_slip = nSlip + nTwin + 3_pInt
index_accshear_twin = nSlip + nTwin + 3_pInt + nSlip
constitutive_phenopowerlaw_postResults = 0.0_pReal
c = 0_pInt
outputsLoop: do o = 1_pInt,constitutive_phenopowerlaw_Noutput(instance)
select case(constitutive_phenopowerlaw_outputID(o,instance))
case (resistance_slip_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt:c+nSlip) = plasticState(ph)%state(1:nSlip,of)
c = c + nSlip
case (accumulatedshear_slip_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt:c+nSlip) = plasticState(ph)%state(index_accshear_slip:&
index_accshear_slip+nSlip-1_pInt,of)
c = c + nSlip
case (shearrate_slip_ID)
j = 0_pInt
slipFamiliesLoop1: do f = 1_pInt,lattice_maxNslipFamily
index_myFamily = sum(lattice_NslipSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j + 1_pInt
tau_slip_pos = dot_product(Tstar_v,lattice_Sslip_v(1:6,1,index_myFamily+i,ph))
tau_slip_neg = tau_slip_pos
do k = 1,lattice_NnonSchmid(ph)
tau_slip_pos = tau_slip_pos + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k,index_myFamily+i,ph))
tau_slip_neg = tau_slip_neg + constitutive_phenopowerlaw_nonSchmidCoeff(k,instance)* &
dot_product(Tstar_v,lattice_Sslip_v(1:6,2*k+1,index_myFamily+i,ph))
enddo
constitutive_phenopowerlaw_postResults(c+j) = constitutive_phenopowerlaw_gdot0_slip(instance)*0.5_pReal* &
((abs(tau_slip_pos)/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance) &
+(abs(tau_slip_neg)/plasticState(ph)%state(j,of))**constitutive_phenopowerlaw_n_slip(instance))&
*sign(1.0_pReal,tau_slip_pos)
enddo
enddo slipFamiliesLoop1
c = c + nSlip
case (resolvedstress_slip_ID)
j = 0_pInt
slipFamiliesLoop2: do f = 1_pInt,lattice_maxNslipFamily
index_myFamily = sum(lattice_NslipSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Nslip(f,instance) ! process each (active) slip system in family
j = j + 1_pInt
constitutive_phenopowerlaw_postResults(c+j) = &
dot_product(Tstar_v,lattice_Sslip_v(1:6,1,index_myFamily+i,ph))
enddo
enddo slipFamiliesLoop2
c = c + nSlip
case (totalshear_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt) = &
plasticState(ph)%state(index_Gamma,of)
c = c + 1_pInt
case (resistance_twin_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt:c+nTwin) = &
plasticState(ph)%state(1_pInt+nSlip:nTwin+nSlip-1_pInt,of)
c = c + nTwin
case (accumulatedshear_twin_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt:c+nTwin) = &
plasticState(ph)%state(index_accshear_twin:index_accshear_twin+nTwin-1_pInt,of)
c = c + nTwin
case (shearrate_twin_ID)
j = 0_pInt
twinFamiliesLoop1: do f = 1_pInt,lattice_maxNtwinFamily
index_myFamily = sum(lattice_NtwinSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! process each (active) twin system in family
j = j + 1_pInt
tau = dot_product(Tstar_v,lattice_Stwin_v(1:6,index_myFamily+i,ph))
constitutive_phenopowerlaw_postResults(c+j) = (1.0_pReal-plasticState(ph)%state(index_F,of))*& ! 1-F
constitutive_phenopowerlaw_gdot0_twin(instance)*&
(abs(tau)/plasticState(ph)%state(j+nSlip,of))**&
constitutive_phenopowerlaw_n_twin(instance)*max(0.0_pReal,sign(1.0_pReal,tau))
enddo
enddo twinFamiliesLoop1
c = c + nTwin
case (resolvedstress_twin_ID)
j = 0_pInt
twinFamiliesLoop2: do f = 1_pInt,lattice_maxNtwinFamily
index_myFamily = sum(lattice_NtwinSystem(1:f-1_pInt,ph)) ! at which index starts my family
do i = 1_pInt,constitutive_phenopowerlaw_Ntwin(f,instance) ! process each (active) twin system in family
j = j + 1_pInt
constitutive_phenopowerlaw_postResults(c+j) = &
dot_product(Tstar_v,lattice_Stwin_v(1:6,index_myFamily+i,ph))
enddo
enddo twinFamiliesLoop2
c = c + nTwin
case (totalvolfrac_ID)
constitutive_phenopowerlaw_postResults(c+1_pInt) = plasticState(ph)%state(index_F,of)
c = c + 1_pInt
end select
enddo outputsLoop
end function constitutive_phenopowerlaw_postResults
end module constitutive_phenopowerlaw