!-------------------------------------------------------------------------------------------------- ! $Id: damage_anisoBrittle.f90 3210 2014-06-17 15:24:44Z MPIE\m.diehl $ !-------------------------------------------------------------------------------------------------- !> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @brief material subroutine incorporating anisotropic ductile damage !> @details to be done !-------------------------------------------------------------------------------------------------- module damage_anisoBrittle use prec, only: & pReal, & pInt implicit none private integer(pInt), dimension(:), allocatable, public, protected :: & damage_anisoBrittle_sizePostResults !< cumulative size of post results integer(pInt), dimension(:,:), allocatable, target, public :: & damage_anisoBrittle_sizePostResult !< size of each post result output character(len=64), dimension(:,:), allocatable, target, public :: & damage_anisoBrittle_output !< name of each post result output integer(pInt), dimension(:), allocatable, target, public :: & damage_anisoBrittle_Noutput !< number of outputs per instance of this damage integer(pInt), dimension(:), allocatable, private :: & damage_anisoBrittle_totalNslip !< Todo integer(pInt), dimension(:,:), allocatable, private :: & damage_anisoBrittle_Nslip !< Todo real(pReal), dimension(:), allocatable, private :: & damage_anisoBrittle_aTol, & damage_anisoBrittle_sdot_0, & damage_anisoBrittle_N real(pReal), dimension(:,:), allocatable, private :: & damage_anisoBrittle_critDisp, & damage_anisoBrittle_critLoad enum, bind(c) enumerator :: undefined_ID, & local_damage_ID end enum !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11 ToDo integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: & damage_anisoBrittle_outputID !< ID of each post result output public :: & damage_anisoBrittle_init, & damage_anisoBrittle_stateInit, & damage_anisoBrittle_aTolState, & damage_anisoBrittle_dotState, & damage_anisoBrittle_getDamage, & damage_anisoBrittle_putLocalDamage, & damage_anisoBrittle_getLocalDamage, & damage_anisoBrittle_getDamageStrain, & damage_anisoBrittle_postResults contains !-------------------------------------------------------------------------------------------------- !> @brief module initialization !> @details reads in material parameters, allocates arrays, and does sanity checks !-------------------------------------------------------------------------------------------------- subroutine damage_anisoBrittle_init(fileUnit) use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment) use debug, only: & debug_level,& debug_constitutive,& debug_levelBasic use mesh, only: & mesh_maxNips, & mesh_NcpElems 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_damage, & phase_damageInstance, & phase_Noutput, & LOCAL_damage_anisoBrittle_label, & LOCAL_damage_anisoBrittle_ID, & material_phase, & damageState, & MATERIAL_partPhase use numerics,only: & worldrank, & numerics_integrator use lattice, only: & lattice_maxNslipFamily implicit none integer(pInt), intent(in) :: fileUnit integer(pInt), parameter :: MAXNCHUNKS = 7_pInt integer(pInt), dimension(1+2*MAXNCHUNKS) :: positions integer(pInt) :: maxNinstance,mySize=0_pInt,phase,instance,o integer(pInt) :: sizeState, sizeDotState integer(pInt) :: NofMyPhase integer(pInt) :: Nchunks_SlipFamilies, j character(len=65536) :: & tag = '', & line = '' mainProcess: if (worldrank == 0) then write(6,'(/,a)') ' <<<+- damage_'//LOCAL_damage_anisoBrittle_LABEL//' init -+>>>' write(6,'(a)') ' $Id: damage_anisoBrittle.f90 3210 2014-06-17 15:24:44Z MPIE\m.diehl $' write(6,'(a15,a)') ' Current time: ',IO_timeStamp() #include "compilation_info.f90" endif mainProcess maxNinstance = int(count(phase_damage == LOCAL_damage_anisoBrittle_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(damage_anisoBrittle_sizePostResults(maxNinstance), source=0_pInt) allocate(damage_anisoBrittle_sizePostResult(maxval(phase_Noutput),maxNinstance),source=0_pInt) allocate(damage_anisoBrittle_output(maxval(phase_Noutput),maxNinstance)) damage_anisoBrittle_output = '' allocate(damage_anisoBrittle_outputID(maxval(phase_Noutput),maxNinstance), source=undefined_ID) allocate(damage_anisoBrittle_Noutput(maxNinstance), source=0_pInt) allocate(damage_anisoBrittle_critDisp(lattice_maxNslipFamily,maxNinstance), source=0.0_pReal) allocate(damage_anisoBrittle_critLoad (lattice_maxNslipFamily,maxNinstance), source=0.0_pReal) allocate(damage_anisoBrittle_Nslip(lattice_maxNslipFamily,maxNinstance), source=0_pInt) allocate(damage_anisoBrittle_totalNslip(maxNinstance), source=0_pInt) allocate(damage_anisoBrittle_aTol(maxNinstance), source=0.0_pReal) allocate(damage_anisoBrittle_sdot_0(maxNinstance), source=0.0_pReal) allocate(damage_anisoBrittle_N(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 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 section phase = phase + 1_pInt ! advance phase section counter cycle ! skip to next line endif if (phase > 0_pInt ) then; if (phase_damage(phase) == LOCAL_damage_anisoBrittle_ID) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran instance = phase_damageInstance(phase) ! which instance of my damage 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 ('local_damage') damage_anisoBrittle_Noutput(instance) = damage_anisoBrittle_Noutput(instance) + 1_pInt damage_anisoBrittle_outputID(damage_anisoBrittle_Noutput(instance),instance) = local_damage_ID damage_anisoBrittle_output(damage_anisoBrittle_Noutput(instance),instance) = & IO_lc(IO_stringValue(line,positions,2_pInt)) end select case ('atol_damage') damage_anisoBrittle_aTol(instance) = IO_floatValue(line,positions,2_pInt) case ('sdot_0') damage_anisoBrittle_sdot_0(instance) = IO_floatValue(line,positions,2_pInt) case ('n_damage') damage_anisoBrittle_N(instance) = IO_floatValue(line,positions,2_pInt) case ('Nslip') ! Nchunks_SlipFamilies = positions(1) - 1_pInt do j = 1_pInt, Nchunks_SlipFamilies damage_anisoBrittle_Nslip(j,instance) = IO_intValue(line,positions,1_pInt+j) enddo damage_anisoBrittle_totalNslip(instance) = sum(damage_anisoBrittle_Nslip(:,instance)) case ('critical_displacement') do j = 1_pInt, Nchunks_SlipFamilies damage_anisoBrittle_critDisp(j,instance) = IO_floatValue(line,positions,1_pInt+j) enddo case ('critical_load') do j = 1_pInt, Nchunks_SlipFamilies damage_anisoBrittle_critLoad(j,instance) = IO_floatValue(line,positions,1_pInt+j) enddo end select endif; endif enddo parsingFile initializeInstances: do phase = 1_pInt, size(phase_damage) if (phase_damage(phase) == LOCAL_damage_anisoBrittle_ID) then NofMyPhase=count(material_phase==phase) instance = phase_damageInstance(phase) !-------------------------------------------------------------------------------------------------- ! Determine size of postResults array outputsLoop: do o = 1_pInt,damage_anisoBrittle_Noutput(instance) select case(damage_anisoBrittle_outputID(o,instance)) case(local_damage_ID) mySize = damage_anisoBrittle_totalNslip(instance) end select if (mySize > 0_pInt) then ! any meaningful output found damage_anisoBrittle_sizePostResult(o,instance) = mySize damage_anisoBrittle_sizePostResults(instance) = damage_anisoBrittle_sizePostResults(instance) + mySize endif enddo outputsLoop ! Determine size of state array sizeDotState = 2_pInt + & ! viscous and non-viscous damage values 9_pInt + & ! damage deformation gradient damage_anisoBrittle_totalNslip(instance) ! opening on each damage system sizeState = sizeDotState damageState(phase)%sizeState = sizeState damageState(phase)%sizeDotState = sizeDotState damageState(phase)%sizePostResults = damage_anisoBrittle_sizePostResults(instance) allocate(damageState(phase)%aTolState (sizeState), source=0.0_pReal) allocate(damageState(phase)%state0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%partionedState0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%subState0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%state (sizeState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%state_backup (sizeState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%dotState (sizeDotState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%deltaState (sizeDotState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%dotState_backup (sizeDotState,NofMyPhase), source=0.0_pReal) if (any(numerics_integrator == 1_pInt)) then allocate(damageState(phase)%previousDotState (sizeDotState,NofMyPhase), source=0.0_pReal) allocate(damageState(phase)%previousDotState2 (sizeDotState,NofMyPhase), source=0.0_pReal) endif if (any(numerics_integrator == 4_pInt)) & allocate(damageState(phase)%RK4dotState (sizeDotState,NofMyPhase), source=0.0_pReal) if (any(numerics_integrator == 5_pInt)) & allocate(damageState(phase)%RKCK45dotState (6,sizeDotState,NofMyPhase),source=0.0_pReal) call damage_anisoBrittle_stateInit(phase) call damage_anisoBrittle_aTolState(phase,instance) endif enddo initializeInstances end subroutine damage_anisoBrittle_init !-------------------------------------------------------------------------------------------------- !> @brief sets the relevant state values for a given instance of this damage !-------------------------------------------------------------------------------------------------- subroutine damage_anisoBrittle_stateInit(phase) use material, only: & damageState implicit none integer(pInt), intent(in) :: phase !< number specifying the phase of the damage real(pReal), dimension(damageState(phase)%sizeState) :: tempState tempState = 0.0_pReal tempState(1) = 1.0_pReal tempState(2) = 1.0_pReal tempState(3) = 1.0_pReal tempState(4) = 0.0_pReal tempState(5) = 0.0_pReal tempState(6) = 0.0_pReal tempState(7) = 1.0_pReal tempState(8) = 0.0_pReal tempState(9) = 0.0_pReal tempState(10) = 0.0_pReal tempState(11) = 1.0_pReal damageState(phase)%state = spread(tempState,2,size(damageState(phase)%state(1,:))) damageState(phase)%state0 = damageState(phase)%state damageState(phase)%partionedState0 = damageState(phase)%state end subroutine damage_anisoBrittle_stateInit !-------------------------------------------------------------------------------------------------- !> @brief sets the relevant state values for a given instance of this damage !-------------------------------------------------------------------------------------------------- subroutine damage_anisoBrittle_aTolState(phase,instance) use material, only: & damageState implicit none integer(pInt), intent(in) :: & phase, & instance ! number specifying the current instance of the damage real(pReal), dimension(damageState(phase)%sizeState) :: tempTol tempTol = damage_anisoBrittle_aTol(instance) damageState(phase)%aTolState = tempTol end subroutine damage_anisoBrittle_aTolState !-------------------------------------------------------------------------------------------------- !> @brief calculates derived quantities from state !-------------------------------------------------------------------------------------------------- subroutine damage_anisoBrittle_dotState(Tstar_v,ipc, ip, el) use material, only: & mappingConstitutive, & phase_damageInstance, & damageState use math, only: & math_mul33x33 use lattice, only: & lattice_Sslip, & lattice_Sslip_v, & lattice_maxNslipFamily, & lattice_NslipSystem, & lattice_DamageMobility implicit none integer(pInt), intent(in) :: & ipc, & !< component-ID of integration point ip, & !< integration point el !< element real(pReal), intent(in), dimension(6) :: & Tstar_v !< 2nd Piola Kirchhoff stress tensor (Mandel) integer(pInt) :: & phase, & constituent, & instance, & j, f, i, index_myFamily real(pReal), dimension(3,3) :: & Ld real(pReal) :: & tau, & tau_critical, & nonLocalFactor phase = mappingConstitutive(2,ipc,ip,el) constituent = mappingConstitutive(1,ipc,ip,el) instance = phase_damageInstance(phase) damageState(phase)%dotState(1,constituent) = & (1.0_pReal/lattice_DamageMobility(phase))* & (damageState(phase)%state(2,constituent) - & damageState(phase)%state(1,constituent)) nonLocalFactor = 1.0_pReal + & (damageState(phase)%state(1,constituent) - & damage_anisoBrittle_getDamage(ipc, ip, el)) Ld = 0.0_pReal j = 0_pInt slipFamiliesLoop: do f = 1_pInt,lattice_maxNslipFamily index_myFamily = sum(lattice_NslipSystem(1:f-1_pInt,phase)) ! at which index starts my family do i = 1_pInt,damage_anisoBrittle_Nslip(f,instance) ! process each (active) slip system in family j = j+1_pInt tau = dot_product(Tstar_v,lattice_Sslip_v(1:6,1,index_myFamily+i,phase)) tau_critical = (1.0_pReal - damageState(phase)%state(11+j,constituent)/& damage_anisoBrittle_critDisp(f,instance))* & damage_anisoBrittle_critLoad(f,instance)*nonLocalFactor damageState(phase)%dotState(11+j,constituent) = & damage_anisoBrittle_sdot_0(instance)*(tau/tau_critical)**damage_anisoBrittle_N(instance) damageState(phase)%dotState(2,constituent) = & damageState(phase)%dotState(2,constituent) - & 2.0_pReal*tau*damageState(phase)%dotState(11+j,constituent)/ & (damage_anisoBrittle_critDisp(f,instance)*damage_anisoBrittle_critLoad(f,instance)) Ld = Ld + damageState(phase)%dotState(11+j,constituent)* & lattice_Sslip(1:3,1:3,1,index_myFamily+i,phase) enddo enddo slipFamiliesLoop damageState(phase)%dotState(3:11,constituent) = & reshape(math_mul33x33(Ld,reshape(damageState(phase)%state(3:11,constituent),shape=[3,3])),shape=[9]) end subroutine damage_anisoBrittle_dotState !-------------------------------------------------------------------------------------------------- !> @brief returns damage !-------------------------------------------------------------------------------------------------- function damage_anisoBrittle_getDamage(ipc, ip, el) use material, only: & material_homog, & mappingHomogenization, & fieldDamage, & field_damage_type, & FIELD_DAMAGE_LOCAL_ID, & FIELD_DAMAGE_NONLOCAL_ID implicit none integer(pInt), intent(in) :: & ipc, & !< grain number ip, & !< integration point number el !< element number real(pReal) :: damage_anisoBrittle_getDamage select case(field_damage_type(material_homog(ip,el))) case (FIELD_DAMAGE_LOCAL_ID) damage_anisoBrittle_getDamage = damage_anisoBrittle_getLocalDamage(ipc, ip, el) case (FIELD_DAMAGE_NONLOCAL_ID) damage_anisoBrittle_getDamage = fieldDamage(material_homog(ip,el))% & field(1,mappingHomogenization(1,ip,el)) ! Taylor type end select end function damage_anisoBrittle_getDamage !-------------------------------------------------------------------------------------------------- !> @brief returns damage value based on local damage !-------------------------------------------------------------------------------------------------- subroutine damage_anisoBrittle_putLocalDamage(ipc, ip, el, localDamage) use material, only: & mappingConstitutive, & phase_damageInstance, & damageState implicit none integer(pInt), intent(in) :: & ipc, & !< grain number ip, & !< integration point number el !< element number real(pReal), intent(in) :: & localDamage damageState(mappingConstitutive(2,ipc,ip,el))%state(1,mappingConstitutive(1,ipc,ip,el)) = & localDamage end subroutine damage_anisoBrittle_putLocalDamage !-------------------------------------------------------------------------------------------------- !> @brief returns local damage !-------------------------------------------------------------------------------------------------- function damage_anisoBrittle_getLocalDamage(ipc, ip, el) use material, only: & mappingConstitutive, & phase_damageInstance, & damageState implicit none integer(pInt), intent(in) :: & ipc, & !< grain number ip, & !< integration point number el !< element number real(pReal) :: & damage_anisoBrittle_getLocalDamage damage_anisoBrittle_getLocalDamage = & damageState(mappingConstitutive(2,ipc,ip,el))%state(1,mappingConstitutive(1,ipc,ip,el)) end function damage_anisoBrittle_getLocalDamage !-------------------------------------------------------------------------------------------------- !> @brief returns local damage deformation gradient !-------------------------------------------------------------------------------------------------- function damage_anisoBrittle_getDamageStrain(ipc, ip, el) use material, only: & mappingConstitutive, & phase_damageInstance, & damageState implicit none integer(pInt), intent(in) :: & ipc, & !< grain number ip, & !< integration point number el !< element number real(pReal), dimension(3,3) :: & damage_anisoBrittle_getDamageStrain damage_anisoBrittle_getDamageStrain = & reshape(damageState(mappingConstitutive(2,ipc,ip,el))%state(3:11,mappingConstitutive(1,ipc,ip,el)), & shape=[3,3]) end function damage_anisoBrittle_getDamageStrain !-------------------------------------------------------------------------------------------------- !> @brief return array of constitutive results !-------------------------------------------------------------------------------------------------- function damage_anisoBrittle_postResults(ipc,ip,el) use material, only: & mappingConstitutive, & phase_damageInstance,& damageState implicit none integer(pInt), intent(in) :: & ipc, & !< component-ID of integration point ip, & !< integration point el !< element real(pReal), dimension(damage_anisoBrittle_sizePostResults(phase_damageInstance(mappingConstitutive(2,ipc,ip,el)))) :: & damage_anisoBrittle_postResults integer(pInt) :: & instance, phase, constituent, o, c phase = mappingConstitutive(2,ipc,ip,el) constituent = mappingConstitutive(1,ipc,ip,el) instance = phase_damageInstance(phase) c = 0_pInt damage_anisoBrittle_postResults = 0.0_pReal do o = 1_pInt,damage_anisoBrittle_Noutput(instance) select case(damage_anisoBrittle_outputID(o,instance)) case (local_damage_ID) damage_anisoBrittle_postResults(c+1_pInt:c+damage_anisoBrittle_totalNslip(instance)) = & damageState(phase)%state(1,constituent) c = c + damage_anisoBrittle_totalNslip(instance) end select enddo end function damage_anisoBrittle_postResults end module damage_anisoBrittle