!-------------------------------------------------------------------------------------------------- ! $Id$ !-------------------------------------------------------------------------------------------------- !> @author Luv Sharma, Max-Planck-Institut fŸr Eisenforschung GmbH !> @author Pratheek Shanthraj, Max-Planck-Institut fŸr Eisenforschung GmbH !> @brief material subroutine incorporating anisotropic brittle damage source mechanism !> @details to be done !-------------------------------------------------------------------------------------------------- module source_damage_anisoBrittle use prec, only: & pReal, & pInt implicit none private integer(pInt), dimension(:), allocatable, public, protected :: & source_damage_anisoBrittle_sizePostResults, & !< cumulative size of post results source_damage_anisoBrittle_offset, & !< which source is my current source mechanism? source_damage_anisoBrittle_instance !< instance of source mechanism integer(pInt), dimension(:,:), allocatable, target, public :: & source_damage_anisoBrittle_sizePostResult !< size of each post result output character(len=64), dimension(:,:), allocatable, target, public :: & source_damage_anisoBrittle_output !< name of each post result output integer(pInt), dimension(:), allocatable, target, public :: & source_damage_anisoBrittle_Noutput !< number of outputs per instance of this source integer(pInt), dimension(:), allocatable, private :: & source_damage_anisoBrittle_totalNcleavage !< total number of cleavage systems integer(pInt), dimension(:,:), allocatable, private :: & source_damage_anisoBrittle_Ncleavage !< number of cleavage systems per family real(pReal), dimension(:), allocatable, private :: & source_damage_anisoBrittle_aTol, & source_damage_anisoBrittle_sdot_0, & source_damage_anisoBrittle_N real(pReal), dimension(:,:), allocatable, private :: & source_damage_anisoBrittle_critDisp, & source_damage_anisoBrittle_critLoad enum, bind(c) enumerator :: undefined_ID, & damage_drivingforce_ID end enum integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: & source_damage_anisoBrittle_outputID !< ID of each post result output public :: & source_damage_anisoBrittle_init, & source_damage_anisoBrittle_dotState, & source_damage_anisobrittle_getRateAndItsTangent, & source_damage_anisoBrittle_postResults contains !-------------------------------------------------------------------------------------------------- !> @brief module initialization !> @details reads in material parameters, allocates arrays, and does sanity checks !-------------------------------------------------------------------------------------------------- subroutine source_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 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: & phase_source, & phase_Nsources, & phase_Noutput, & SOURCE_damage_anisoBrittle_label, & SOURCE_damage_anisoBrittle_ID, & material_Nphase, & material_phase, & sourceState, & MATERIAL_partPhase use numerics,only: & worldrank, & numerics_integrator use lattice, only: & lattice_maxNcleavageFamily, & lattice_NcleavageSystem implicit none integer(pInt), intent(in) :: fileUnit integer(pInt), allocatable, dimension(:) :: chunkPos integer(pInt) :: maxNinstance,mySize=0_pInt,phase,instance,source,sourceOffset,o integer(pInt) :: sizeState, sizeDotState, sizeDeltaState integer(pInt) :: NofMyPhase integer(pInt) :: Nchunks_CleavageFamilies = 0_pInt, j character(len=65536) :: & tag = '', & line = '' mainProcess: if (worldrank == 0) then write(6,'(/,a)') ' <<<+- source_'//SOURCE_damage_anisoBrittle_LABEL//' init -+>>>' write(6,'(a)') ' $Id$' write(6,'(a15,a)') ' Current time: ',IO_timeStamp() #include "compilation_info.f90" endif mainProcess maxNinstance = int(count(phase_source == SOURCE_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(source_damage_anisoBrittle_offset(material_Nphase), source=0_pInt) allocate(source_damage_anisoBrittle_instance(material_Nphase), source=0_pInt) do phase = 1, material_Nphase source_damage_anisoBrittle_instance(phase) = count(phase_source(:,1:phase) == source_damage_anisoBrittle_ID) do source = 1, phase_Nsources(phase) if (phase_source(source,phase) == source_damage_anisoBrittle_ID) & source_damage_anisoBrittle_offset(phase) = source enddo enddo allocate(source_damage_anisoBrittle_sizePostResults(maxNinstance), source=0_pInt) allocate(source_damage_anisoBrittle_sizePostResult(maxval(phase_Noutput),maxNinstance), source=0_pInt) allocate(source_damage_anisoBrittle_output(maxval(phase_Noutput),maxNinstance)) source_damage_anisoBrittle_output = '' allocate(source_damage_anisoBrittle_outputID(maxval(phase_Noutput),maxNinstance), source=undefined_ID) allocate(source_damage_anisoBrittle_Noutput(maxNinstance), source=0_pInt) allocate(source_damage_anisoBrittle_critDisp(lattice_maxNcleavageFamily,maxNinstance), source=0.0_pReal) allocate(source_damage_anisoBrittle_critLoad(lattice_maxNcleavageFamily,maxNinstance), source=0.0_pReal) allocate(source_damage_anisoBrittle_Ncleavage(lattice_maxNcleavageFamily,maxNinstance), source=0_pInt) allocate(source_damage_anisoBrittle_totalNcleavage(maxNinstance), source=0_pInt) allocate(source_damage_anisoBrittle_aTol(maxNinstance), source=0.0_pReal) allocate(source_damage_anisoBrittle_sdot_0(maxNinstance), source=0.0_pReal) allocate(source_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 (any(phase_source(:,phase) == SOURCE_damage_anisoBrittle_ID)) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran instance = source_damage_anisoBrittle_instance(phase) ! which instance of my damage is present phase chunkPos = IO_stringPos(line) tag = IO_lc(IO_stringValue(line,chunkPos,1_pInt)) ! extract key select case(tag) case ('(output)') select case(IO_lc(IO_stringValue(line,chunkPos,2_pInt))) case ('anisobrittle_drivingforce') source_damage_anisoBrittle_Noutput(instance) = source_damage_anisoBrittle_Noutput(instance) + 1_pInt source_damage_anisoBrittle_outputID(source_damage_anisoBrittle_Noutput(instance),instance) = damage_drivingforce_ID source_damage_anisoBrittle_output(source_damage_anisoBrittle_Noutput(instance),instance) = & IO_lc(IO_stringValue(line,chunkPos,2_pInt)) end select case ('anisobrittle_atol') source_damage_anisoBrittle_aTol(instance) = IO_floatValue(line,chunkPos,2_pInt) case ('anisobrittle_sdot0') source_damage_anisoBrittle_sdot_0(instance) = IO_floatValue(line,chunkPos,2_pInt) case ('anisobrittle_ratesensitivity') source_damage_anisoBrittle_N(instance) = IO_floatValue(line,chunkPos,2_pInt) case ('ncleavage') ! Nchunks_CleavageFamilies = chunkPos(1) - 1_pInt do j = 1_pInt, Nchunks_CleavageFamilies source_damage_anisoBrittle_Ncleavage(j,instance) = IO_intValue(line,chunkPos,1_pInt+j) enddo case ('anisobrittle_criticaldisplacement') do j = 1_pInt, Nchunks_CleavageFamilies source_damage_anisoBrittle_critDisp(j,instance) = IO_floatValue(line,chunkPos,1_pInt+j) enddo case ('anisobrittle_criticalload') do j = 1_pInt, Nchunks_CleavageFamilies source_damage_anisoBrittle_critLoad(j,instance) = IO_floatValue(line,chunkPos,1_pInt+j) enddo end select endif; endif enddo parsingFile !-------------------------------------------------------------------------------------------------- ! sanity checks sanityChecks: do phase = 1_pInt, material_Nphase myPhase: if (any(phase_source(:,phase) == SOURCE_damage_anisoBrittle_ID)) then instance = source_damage_anisoBrittle_instance(phase) source_damage_anisoBrittle_Ncleavage(1:lattice_maxNcleavageFamily,instance) = & min(lattice_NcleavageSystem(1:lattice_maxNcleavageFamily,phase),& ! limit active cleavage systems per family to min of available and requested source_damage_anisoBrittle_Ncleavage(1:lattice_maxNcleavageFamily,instance)) source_damage_anisoBrittle_totalNcleavage(instance) = sum(source_damage_anisoBrittle_Ncleavage(:,instance)) ! how many cleavage systems altogether if (source_damage_anisoBrittle_aTol(instance) < 0.0_pReal) & source_damage_anisoBrittle_aTol(instance) = 1.0e-3_pReal ! default absolute tolerance 1e-3 if (source_damage_anisoBrittle_sdot_0(instance) <= 0.0_pReal) & call IO_error(211_pInt,el=instance,ext_msg='sdot_0 ('//SOURCE_damage_anisoBrittle_LABEL//')') if (any(source_damage_anisoBrittle_critDisp(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) & call IO_error(211_pInt,el=instance,ext_msg='critical_displacement ('//SOURCE_damage_anisoBrittle_LABEL//')') if (any(source_damage_anisoBrittle_critLoad(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) & call IO_error(211_pInt,el=instance,ext_msg='critical_load ('//SOURCE_damage_anisoBrittle_LABEL//')') if (source_damage_anisoBrittle_N(instance) <= 0.0_pReal) & call IO_error(211_pInt,el=instance,ext_msg='rate_sensitivity ('//SOURCE_damage_anisoBrittle_LABEL//')') endif myPhase enddo sanityChecks initializeInstances: do phase = 1_pInt, material_Nphase if (any(phase_source(:,phase) == SOURCE_damage_anisoBrittle_ID)) then NofMyPhase=count(material_phase==phase) instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) !-------------------------------------------------------------------------------------------------- ! Determine size of postResults array outputsLoop: do o = 1_pInt,source_damage_anisoBrittle_Noutput(instance) select case(source_damage_anisoBrittle_outputID(o,instance)) case(damage_drivingforce_ID) mySize = 1_pInt end select if (mySize > 0_pInt) then ! any meaningful output found source_damage_anisoBrittle_sizePostResult(o,instance) = mySize source_damage_anisoBrittle_sizePostResults(instance) = source_damage_anisoBrittle_sizePostResults(instance) + mySize endif enddo outputsLoop !-------------------------------------------------------------------------------------------------- ! Determine size of state array sizeDotState = 1_pInt sizeDeltaState = 0_pInt sizeState = 1_pInt sourceState(phase)%p(sourceOffset)%sizeState = sizeState sourceState(phase)%p(sourceOffset)%sizeDotState = sizeDotState sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_anisoBrittle_sizePostResults(instance) allocate(sourceState(phase)%p(sourceOffset)%aTolState (sizeState), & source=source_damage_anisoBrittle_aTol(instance)) allocate(sourceState(phase)%p(sourceOffset)%state0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%partionedState0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%subState0 (sizeState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%state (sizeState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%state_backup (sizeState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%dotState (sizeDotState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%deltaState (sizeDeltaState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%dotState_backup (sizeDotState,NofMyPhase), source=0.0_pReal) if (any(numerics_integrator == 1_pInt)) then allocate(sourceState(phase)%p(sourceOffset)%previousDotState (sizeDotState,NofMyPhase), source=0.0_pReal) allocate(sourceState(phase)%p(sourceOffset)%previousDotState2 (sizeDotState,NofMyPhase), source=0.0_pReal) endif if (any(numerics_integrator == 4_pInt)) & allocate(sourceState(phase)%p(sourceOffset)%RK4dotState (sizeDotState,NofMyPhase), source=0.0_pReal) if (any(numerics_integrator == 5_pInt)) & allocate(sourceState(phase)%p(sourceOffset)%RKCK45dotState (6,sizeDotState,NofMyPhase),source=0.0_pReal) endif enddo initializeInstances end subroutine source_damage_anisoBrittle_init !-------------------------------------------------------------------------------------------------- !> @brief calculates derived quantities from state !-------------------------------------------------------------------------------------------------- subroutine source_damage_anisoBrittle_dotState(Tstar_v, ipc, ip, el) use material, only: & mappingConstitutive, & sourceState, & material_homog, & damage, & damageMapping use lattice, only: & lattice_Scleavage_v, & lattice_maxNcleavageFamily, & lattice_NcleavageSystem 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, & sourceOffset, & damageOffset, & homog, & f, i, index_myFamily real(pReal) :: & traction_d, traction_t, traction_n, traction_crit phase = mappingConstitutive(2,ipc,ip,el) constituent = mappingConstitutive(1,ipc,ip,el) instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) homog = material_homog(ip,el) damageOffset = damageMapping(homog)%p(ip,el) sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = 0.0_pReal do f = 1_pInt,lattice_maxNcleavageFamily index_myFamily = sum(lattice_NcleavageSystem(1:f-1_pInt,phase)) ! at which index starts my family do i = 1_pInt,source_damage_anisoBrittle_Ncleavage(f,instance) ! process each (active) cleavage system in family traction_d = dot_product(Tstar_v,lattice_Scleavage_v(1:6,1,index_myFamily+i,phase)) traction_t = dot_product(Tstar_v,lattice_Scleavage_v(1:6,2,index_myFamily+i,phase)) traction_n = dot_product(Tstar_v,lattice_Scleavage_v(1:6,3,index_myFamily+i,phase)) traction_crit = source_damage_anisoBrittle_critLoad(f,instance)* & damage(homog)%p(damageOffset)*damage(homog)%p(damageOffset) sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = & sourceState(phase)%p(sourceOffset)%dotState(1,constituent) + & source_damage_anisoBrittle_sdot_0(instance)* & ((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance) + & (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance) + & (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance))/ & source_damage_anisoBrittle_critDisp(f,instance) enddo enddo end subroutine source_damage_anisoBrittle_dotState !-------------------------------------------------------------------------------------------------- !> @brief returns local part of nonlocal damage driving force !-------------------------------------------------------------------------------------------------- subroutine source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ipc, ip, el) use material, only: & mappingConstitutive, & sourceState implicit none integer(pInt), intent(in) :: & ipc, & !< component-ID of integration point ip, & !< integration point el !< element real(pReal), intent(in) :: & phi real(pReal), intent(out) :: & localphiDot, & dLocalphiDot_dPhi integer(pInt) :: & phase, constituent, sourceOffset phase = mappingConstitutive(2,ipc,ip,el) constituent = mappingConstitutive(1,ipc,ip,el) sourceOffset = source_damage_anisoBrittle_offset(phase) localphiDot = 1.0_pReal - & sourceState(phase)%p(sourceOffset)%state(1,constituent)*phi dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent) end subroutine source_damage_anisobrittle_getRateAndItsTangent !-------------------------------------------------------------------------------------------------- !> @brief return array of local damage results !-------------------------------------------------------------------------------------------------- function source_damage_anisoBrittle_postResults(ipc,ip,el) use material, only: & mappingConstitutive, & sourceState implicit none integer(pInt), intent(in) :: & ipc, & !< component-ID of integration point ip, & !< integration point el !< element real(pReal), dimension(source_damage_anisoBrittle_sizePostResults( & source_damage_anisoBrittle_instance(mappingConstitutive(2,ipc,ip,el)))) :: & source_damage_anisoBrittle_postResults integer(pInt) :: & instance, phase, constituent, sourceOffset, o, c phase = mappingConstitutive(2,ipc,ip,el) constituent = mappingConstitutive(1,ipc,ip,el) instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) c = 0_pInt source_damage_anisoBrittle_postResults = 0.0_pReal do o = 1_pInt,source_damage_anisoBrittle_Noutput(instance) select case(source_damage_anisoBrittle_outputID(o,instance)) case (damage_drivingforce_ID) source_damage_anisoBrittle_postResults(c+1_pInt) = & sourceState(phase)%p(sourceOffset)%state(1,constituent) c = c + 1_pInt end select enddo end function source_damage_anisoBrittle_postResults end module source_damage_anisoBrittle