!-------------------------------------------------------------------------------------------------- !> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH !> @author Pratheek Shanthraj, Max-Planck-Institut für 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_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, private :: & source_damage_anisoBrittle_Ncleavage !< number of cleavage systems per family enum, bind(c) enumerator :: undefined_ID, & damage_drivingforce_ID end enum type, private :: tParameters !< container type for internal constitutive parameters real(pReal) :: & aTol, & sdot_0, & N real(pReal), dimension(:), allocatable :: & critDisp, & critLoad real(pReal), dimension(:,:,:,:), allocatable :: & cleavage_systems integer(pInt) :: & totalNcleavage integer(pInt), dimension(:), allocatable :: & Ncleavage integer(kind(undefined_ID)), allocatable, dimension(:) :: & outputID !< ID of each post result output end type tParameters type(tParameters), dimension(:), allocatable, private :: param !< containers of constitutive parameters (len Ninstance) 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 use prec, only: & pStringLen use debug, only: & debug_level,& debug_constitutive,& debug_levelBasic use IO, only: & IO_error use math, only: & math_expand use material, only: & material_allocateSourceState, & phase_source, & phase_Nsources, & phase_Noutput, & SOURCE_damage_anisoBrittle_label, & SOURCE_damage_anisoBrittle_ID, & material_phase, & sourceState use config, only: & config_phase, & material_Nphase use lattice, only: & lattice_SchmidMatrix_cleavage, & lattice_maxNcleavageFamily integer(pInt) :: Ninstance,phase,instance,source,sourceOffset integer(pInt) :: NofMyPhase,p ,i integer(pInt), dimension(0), parameter :: emptyIntArray = [integer(pInt)::] character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::] integer(kind(undefined_ID)) :: & outputID character(len=pStringLen) :: & extmsg = '' character(len=65536), dimension(:), allocatable :: & outputs write(6,'(/,a)') ' <<<+- source_'//SOURCE_DAMAGE_ANISOBRITTLE_LABEL//' init -+>>>' Ninstance = int(count(phase_source == SOURCE_damage_anisoBrittle_ID),pInt) if (Ninstance == 0_pInt) return if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0_pInt) & write(6,'(a16,1x,i5,/)') '# instances:',Ninstance 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_sizePostResult(maxval(phase_Noutput),Ninstance), source=0_pInt) allocate(source_damage_anisoBrittle_output(maxval(phase_Noutput),Ninstance)) source_damage_anisoBrittle_output = '' allocate(source_damage_anisoBrittle_Ncleavage(lattice_maxNcleavageFamily,Ninstance), source=0_pInt) allocate(param(Ninstance)) do p=1, size(config_phase) if (all(phase_source(:,p) /= SOURCE_DAMAGE_ANISOBRITTLE_ID)) cycle associate(prm => param(source_damage_anisoBrittle_instance(p)), & config => config_phase(p)) prm%aTol = config%getFloat('anisobrittle_atol',defaultVal = 1.0e-3_pReal) prm%N = config%getFloat('anisobrittle_ratesensitivity') prm%sdot_0 = config%getFloat('anisobrittle_sdot0') ! sanity checks if (prm%aTol < 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_atol' if (prm%N <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_ratesensitivity' if (prm%sdot_0 <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_sdot0' prm%Ncleavage = config%getInts('ncleavage',defaultVal=emptyIntArray) prm%critDisp = config%getFloats('anisobrittle_criticaldisplacement',requiredSize=size(prm%Ncleavage)) prm%critLoad = config%getFloats('anisobrittle_criticalload', requiredSize=size(prm%Ncleavage)) prm%cleavage_systems = lattice_SchmidMatrix_cleavage (prm%Ncleavage,config%getString('lattice_structure'),& config%getFloat('c/a',defaultVal=0.0_pReal)) ! expand: family => system prm%critDisp = math_expand(prm%critDisp, prm%Ncleavage) prm%critLoad = math_expand(prm%critLoad, prm%Ncleavage) if (any(prm%critLoad < 0.0_pReal)) extmsg = trim(extmsg)//' anisobrittle_criticalload' if (any(prm%critDisp < 0.0_pReal)) extmsg = trim(extmsg)//' anisobrittle_criticaldisplacement' !-------------------------------------------------------------------------------------------------- ! exit if any parameter is out of range if (extmsg /= '') & call IO_error(211_pInt,ext_msg=trim(extmsg)//'('//SOURCE_DAMAGE_ANISOBRITTLE_LABEL//')') !-------------------------------------------------------------------------------------------------- ! output pararameters outputs = config%getStrings('(output)',defaultVal=emptyStringArray) allocate(prm%outputID(0)) do i=1_pInt, size(outputs) outputID = undefined_ID select case(outputs(i)) case ('anisobrittle_drivingforce') source_damage_anisoBrittle_sizePostResult(i,source_damage_anisoBrittle_instance(p)) = 1_pInt source_damage_anisoBrittle_output(i,source_damage_anisoBrittle_instance(p)) = outputs(i) prm%outputID = [prm%outputID, damage_drivingforce_ID] end select enddo end associate phase = p NofMyPhase=count(material_phase==phase) instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) call material_allocateSourceState(phase,sourceOffset,NofMyPhase,1_pInt,1_pInt,0_pInt) sourceState(phase)%p(sourceOffset)%sizePostResults = sum(source_damage_anisoBrittle_sizePostResult(:,instance)) sourceState(phase)%p(sourceOffset)%aTolState=param(instance)%aTol source_damage_anisoBrittle_Ncleavage(1:size(param(instance)%Ncleavage),instance) = param(instance)%Ncleavage enddo end subroutine source_damage_anisoBrittle_init !-------------------------------------------------------------------------------------------------- !> @brief calculates derived quantities from state !-------------------------------------------------------------------------------------------------- subroutine source_damage_anisoBrittle_dotState(S, ipc, ip, el) use math, only: & math_mul33xx33 use material, only: & phaseAt, phasememberAt, & sourceState, & material_homogenizationAt, & damage, & damageMapping use lattice, only: & lattice_Scleavage, & lattice_maxNcleavageFamily, & lattice_NcleavageSystem integer(pInt), intent(in) :: & ipc, & !< component-ID of integration point ip, & !< integration point el !< element real(pReal), intent(in), dimension(3,3) :: & S integer(pInt) :: & phase, & constituent, & instance, & sourceOffset, & damageOffset, & homog, & f, i, index_myFamily, index real(pReal) :: & traction_d, traction_t, traction_n, traction_crit phase = phaseAt(ipc,ip,el) constituent = phasememberAt(ipc,ip,el) instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) homog = material_homogenizationAt(el) damageOffset = damageMapping(homog)%p(ip,el) sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = 0.0_pReal index = 1_pInt 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 = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,1,index_myFamily+i,phase)) traction_t = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,2,index_myFamily+i,phase)) traction_n = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,3,index_myFamily+i,phase)) traction_crit = param(instance)%critLoad(index)* & damage(homog)%p(damageOffset)*damage(homog)%p(damageOffset) sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = & sourceState(phase)%p(sourceOffset)%dotState(1,constituent) + & param(instance)%sdot_0* & ((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**param(instance)%N + & (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**param(instance)%N + & (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**param(instance)%N)/ & param(instance)%critDisp(index) index = index + 1_pInt 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, phase, constituent) use material, only: & sourceState integer(pInt), intent(in) :: & phase, & constituent real(pReal), intent(in) :: & phi real(pReal), intent(out) :: & localphiDot, & dLocalphiDot_dPhi integer(pInt) :: & sourceOffset 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(phase, constituent) use material, only: & sourceState integer(pInt), intent(in) :: & phase, & constituent real(pReal), dimension(sum(source_damage_anisoBrittle_sizePostResult(:, & source_damage_anisoBrittle_instance(phase)))) :: & source_damage_anisoBrittle_postResults integer(pInt) :: & instance, sourceOffset, o, c instance = source_damage_anisoBrittle_instance(phase) sourceOffset = source_damage_anisoBrittle_offset(phase) c = 0_pInt do o = 1_pInt,size(param(instance)%outputID) select case(param(instance)%outputID(o)) 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