!-------------------------------------------------------------------------------------------------- !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @brief material subroutine for locally evolving damage field !-------------------------------------------------------------------------------------------------- module damage_local use prec, only: & pReal, & pInt implicit none private integer(pInt), dimension(:), allocatable, public, protected :: & damage_local_sizePostResults !< cumulative size of post results integer(pInt), dimension(:,:), allocatable, target, public :: & damage_local_sizePostResult !< size of each post result output character(len=64), dimension(:,:), allocatable, target, public :: & damage_local_output !< name of each post result output integer(pInt), dimension(:), allocatable, target, public :: & damage_local_Noutput !< number of outputs per instance of this damage enum, bind(c) enumerator :: undefined_ID, & damage_ID end enum integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: & damage_local_outputID !< ID of each post result output public :: & damage_local_init, & damage_local_updateState, & damage_local_postResults private :: & damage_local_getSourceAndItsTangent contains !-------------------------------------------------------------------------------------------------- !> @brief allocates all neccessary fields, reads information from material configuration file !-------------------------------------------------------------------------------------------------- subroutine damage_local_init(fileUnit) use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment) 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: & damage_type, & damage_typeInstance, & homogenization_Noutput, & DAMAGE_local_label, & DAMAGE_local_ID, & material_homog, & mappingHomogenization, & damageState, & damageMapping, & damage, & damage_initialPhi, & material_partHomogenization use numerics,only: & worldrank implicit none integer(pInt), intent(in) :: fileUnit integer(pInt), allocatable, dimension(:) :: chunkPos integer(pInt) :: maxNinstance,mySize=0_pInt,homog,instance,o integer(pInt) :: sizeState integer(pInt) :: NofMyHomog character(len=65536) :: & tag = '', & line = '' mainProcess: if (worldrank == 0) then write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_local_label//' init -+>>>' write(6,'(a15,a)') ' Current time: ',IO_timeStamp() #include "compilation_info.f90" endif mainProcess maxNinstance = int(count(damage_type == DAMAGE_local_ID),pInt) if (maxNinstance == 0_pInt) return allocate(damage_local_sizePostResults(maxNinstance), source=0_pInt) allocate(damage_local_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0_pInt) allocate(damage_local_output (maxval(homogenization_Noutput),maxNinstance)) damage_local_output = '' allocate(damage_local_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID) allocate(damage_local_Noutput (maxNinstance), source=0_pInt) rewind(fileUnit) homog = 0_pInt do while (trim(line) /= IO_EOF .and. IO_lc(IO_getTag(line,'<','>')) /= material_partHomogenization)! wind forward to line = IO_read(fileUnit) enddo parsingFile: do while (trim(line) /= IO_EOF) ! read through sections of homog 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 homog section homog = homog + 1_pInt ! advance homog section counter cycle ! skip to next line endif if (homog > 0_pInt ) then; if (damage_type(homog) == DAMAGE_local_ID) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran instance = damage_typeInstance(homog) ! which instance of my damage is present homog 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 ('damage') damage_local_Noutput(instance) = damage_local_Noutput(instance) + 1_pInt damage_local_outputID(damage_local_Noutput(instance),instance) = damage_ID damage_local_output(damage_local_Noutput(instance),instance) = & IO_lc(IO_stringValue(line,chunkPos,2_pInt)) end select end select endif; endif enddo parsingFile initializeInstances: do homog = 1_pInt, size(damage_type) myhomog: if (damage_type(homog) == DAMAGE_local_ID) then NofMyHomog = count(material_homog == homog) instance = damage_typeInstance(homog) !-------------------------------------------------------------------------------------------------- ! Determine size of postResults array outputsLoop: do o = 1_pInt,damage_local_Noutput(instance) select case(damage_local_outputID(o,instance)) case(damage_ID) mySize = 1_pInt end select if (mySize > 0_pInt) then ! any meaningful output found damage_local_sizePostResult(o,instance) = mySize damage_local_sizePostResults(instance) = damage_local_sizePostResults(instance) + mySize endif enddo outputsLoop ! allocate state arrays sizeState = 1_pInt damageState(homog)%sizeState = sizeState damageState(homog)%sizePostResults = damage_local_sizePostResults(instance) allocate(damageState(homog)%state0 (sizeState,NofMyHomog), source=damage_initialPhi(homog)) allocate(damageState(homog)%subState0(sizeState,NofMyHomog), source=damage_initialPhi(homog)) allocate(damageState(homog)%state (sizeState,NofMyHomog), source=damage_initialPhi(homog)) nullify(damageMapping(homog)%p) damageMapping(homog)%p => mappingHomogenization(1,:,:) deallocate(damage(homog)%p) damage(homog)%p => damageState(homog)%state(1,:) endif myhomog enddo initializeInstances end subroutine damage_local_init !-------------------------------------------------------------------------------------------------- !> @brief calculates local change in damage field !-------------------------------------------------------------------------------------------------- function damage_local_updateState(subdt, ip, el) use numerics, only: & residualStiffness, & err_damage_tolAbs, & err_damage_tolRel use material, only: & mappingHomogenization, & damageState implicit none integer(pInt), intent(in) :: & ip, & !< integration point number el !< element number real(pReal), intent(in) :: & subdt logical, dimension(2) :: & damage_local_updateState integer(pInt) :: & homog, & offset real(pReal) :: & phi, phiDot, dPhiDot_dPhi homog = mappingHomogenization(2,ip,el) offset = mappingHomogenization(1,ip,el) phi = damageState(homog)%subState0(1,offset) call damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el) phi = max(residualStiffness,min(1.0_pReal,phi + subdt*phiDot)) damage_local_updateState = [ abs(phi - damageState(homog)%state(1,offset)) & <= err_damage_tolAbs & .or. abs(phi - damageState(homog)%state(1,offset)) & <= err_damage_tolRel*abs(damageState(homog)%state(1,offset)), & .true.] damageState(homog)%state(1,offset) = phi end function damage_local_updateState !-------------------------------------------------------------------------------------------------- !> @brief calculates homogenized local damage driving forces !-------------------------------------------------------------------------------------------------- subroutine damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el) use material, only: & homogenization_Ngrains, & mappingHomogenization, & phaseAt, & phase_source, & phase_Nsources, & SOURCE_damage_isoBrittle_ID, & SOURCE_damage_isoDuctile_ID, & SOURCE_damage_anisoBrittle_ID, & SOURCE_damage_anisoDuctile_ID use source_damage_isoBrittle, only: & source_damage_isobrittle_getRateAndItsTangent use source_damage_isoDuctile, only: & source_damage_isoductile_getRateAndItsTangent use source_damage_anisoBrittle, only: & source_damage_anisobrittle_getRateAndItsTangent use source_damage_anisoDuctile, only: & source_damage_anisoductile_getRateAndItsTangent implicit none integer(pInt), intent(in) :: & ip, & !< integration point number el !< element number real(pReal), intent(in) :: & phi integer(pInt) :: & phase, & grain, & source real(pReal) :: & phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi phiDot = 0.0_pReal dPhiDot_dPhi = 0.0_pReal do grain = 1, homogenization_Ngrains(mappingHomogenization(2,ip,el)) phase = phaseAt(grain,ip,el) do source = 1, phase_Nsources(phase) select case(phase_source(source,phase)) case (SOURCE_damage_isoBrittle_ID) call source_damage_isobrittle_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el) case (SOURCE_damage_isoDuctile_ID) call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el) case (SOURCE_damage_anisoBrittle_ID) call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el) case (SOURCE_damage_anisoDuctile_ID) call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el) case default localphiDot = 0.0_pReal dLocalphiDot_dPhi = 0.0_pReal end select phiDot = phiDot + localphiDot dPhiDot_dPhi = dPhiDot_dPhi + dLocalphiDot_dPhi enddo enddo phiDot = phiDot/real(homogenization_Ngrains(mappingHomogenization(2,ip,el)),pReal) dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Ngrains(mappingHomogenization(2,ip,el)),pReal) end subroutine damage_local_getSourceAndItsTangent !-------------------------------------------------------------------------------------------------- !> @brief return array of damage results !-------------------------------------------------------------------------------------------------- function damage_local_postResults(ip,el) use material, only: & mappingHomogenization, & damage_typeInstance, & damageMapping, & damage implicit none integer(pInt), intent(in) :: & ip, & !< integration point el !< element real(pReal), dimension(damage_local_sizePostResults(damage_typeInstance(mappingHomogenization(2,ip,el)))) :: & damage_local_postResults integer(pInt) :: & instance, homog, offset, o, c homog = mappingHomogenization(2,ip,el) offset = damageMapping(homog)%p(ip,el) instance = damage_typeInstance(homog) c = 0_pInt damage_local_postResults = 0.0_pReal do o = 1_pInt,damage_local_Noutput(instance) select case(damage_local_outputID(o,instance)) case (damage_ID) damage_local_postResults(c+1_pInt) = damage(homog)%p(offset) c = c + 1 end select enddo end function damage_local_postResults end module damage_local