!-------------------------------------------------------------------------------------------------- !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @brief material subroutine for locally evolving damage field !-------------------------------------------------------------------------------------------------- module damage_local use prec use material use numerics use config use source_damage_isoBrittle use source_damage_isoDuctile use source_damage_anisoBrittle use source_damage_anisoDuctile implicit none private integer, dimension(:,:), allocatable, target, public :: & damage_local_sizePostResult character(len=64), dimension(:,:), allocatable, target, public :: & damage_local_output integer, dimension(:), allocatable, target, public :: & damage_local_Noutput enum, bind(c) enumerator :: & undefined_ID, & damage_ID end enum integer(kind(undefined_ID)), dimension(:,:), allocatable :: & damage_local_outputID !< ID of each post result output type :: tParameters integer(kind(undefined_ID)), dimension(:), allocatable :: & outputID end type tParameters type(tparameters), dimension(:), allocatable :: & param public :: & damage_local_init, & damage_local_updateState, & damage_local_postResults contains !-------------------------------------------------------------------------------------------------- !> @brief module initialization !> @details reads in material parameters, allocates arrays, and does sanity checks !-------------------------------------------------------------------------------------------------- subroutine damage_local_init integer :: maxNinstance,homog,instance,i integer :: sizeState integer :: NofMyHomog, h integer(kind(undefined_ID)) :: & outputID character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::] character(len=65536), dimension(:), allocatable :: & outputs write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_local_label//' init -+>>>' maxNinstance = count(damage_type == DAMAGE_local_ID) if (maxNinstance == 0) return allocate(damage_local_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0) 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) allocate(param(maxNinstance)) do h = 1, size(damage_type) if (damage_type(h) /= DAMAGE_LOCAL_ID) cycle associate(prm => param(damage_typeInstance(h)), & config => config_homogenization(h)) outputs = config%getStrings('(output)',defaultVal=emptyStringArray) allocate(prm%outputID(0)) do i=1, size(outputs) outputID = undefined_ID select case(outputs(i)) case ('damage') damage_local_output(i,damage_typeInstance(h)) = outputs(i) damage_local_Noutput(instance) = damage_local_Noutput(instance) + 1 damage_local_sizePostResult(i,damage_typeInstance(h)) = 1 prm%outputID = [prm%outputID , damage_ID] end select enddo homog = h NofMyHomog = count(material_homogenizationAt == homog) instance = damage_typeInstance(homog) ! allocate state arrays sizeState = 1 damageState(homog)%sizeState = sizeState damageState(homog)%sizePostResults = sum(damage_local_sizePostResult(:,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,:) end associate enddo end subroutine damage_local_init !-------------------------------------------------------------------------------------------------- !> @brief calculates local change in damage field !-------------------------------------------------------------------------------------------------- function damage_local_updateState(subdt, ip, el) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal), intent(in) :: & subdt logical, dimension(2) :: & damage_local_updateState integer :: & homog, & offset real(pReal) :: & phi, phiDot, dPhiDot_dPhi homog = material_homogenizationAt(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) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal), intent(in) :: & phi integer :: & phase, & grain, & source, & constituent real(pReal) :: & phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi phiDot = 0.0_pReal dPhiDot_dPhi = 0.0_pReal do grain = 1, homogenization_Ngrains(material_homogenizationAt(el)) phase = material_phaseAt(grain,el) constituent = phasememberAt(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, phase, constituent) case (SOURCE_damage_isoDuctile_ID) call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, phase, constituent) case (SOURCE_damage_anisoBrittle_ID) call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent) case (SOURCE_damage_anisoDuctile_ID) call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent) 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(material_homogenizationAt(el)),pReal) dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal) end subroutine damage_local_getSourceAndItsTangent !-------------------------------------------------------------------------------------------------- !> @brief return array of damage results !-------------------------------------------------------------------------------------------------- function damage_local_postResults(ip,el) integer, intent(in) :: & ip, & !< integration point el !< element real(pReal), dimension(sum(damage_local_sizePostResult(:,damage_typeInstance(material_homogenizationAt(el))))) :: & damage_local_postResults integer :: instance, homog, offset, o, c homog = material_homogenizationAt(el) offset = damageMapping(homog)%p(ip,el) instance = damage_typeInstance(homog) associate(prm => param(instance)) c = 0 outputsLoop: do o = 1,size(prm%outputID) select case(prm%outputID(o)) case (damage_ID) damage_local_postResults(c+1) = damage(homog)%p(offset) c = c + 1 end select enddo outputsLoop end associate end function damage_local_postResults end module damage_local