!-------------------------------------------------------------------------------------------------- !> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @brief material subroutine incorporating kinematics resulting from opening of cleavage planes !> @details to be done !-------------------------------------------------------------------------------------------------- module kinematics_cleavage_opening use prec, only: & pReal, & pInt implicit none private integer(pInt), dimension(:), allocatable, public, protected :: & kinematics_cleavage_opening_sizePostResults, & !< cumulative size of post results kinematics_cleavage_opening_offset, & !< which kinematics is my current damage mechanism? kinematics_cleavage_opening_instance !< instance of damage kinematics mechanism integer(pInt), dimension(:,:), allocatable, target, public :: & kinematics_cleavage_opening_sizePostResult !< size of each post result output character(len=64), dimension(:,:), allocatable, target, public :: & kinematics_cleavage_opening_output !< name of each post result output integer(pInt), dimension(:), allocatable, target, public :: & kinematics_cleavage_opening_Noutput !< number of outputs per instance of this damage integer(pInt), dimension(:), allocatable, private :: & kinematics_cleavage_opening_totalNcleavage !< total number of cleavage systems integer(pInt), dimension(:,:), allocatable, private :: & kinematics_cleavage_opening_Ncleavage !< number of cleavage systems per family real(pReal), dimension(:), allocatable, private :: & kinematics_cleavage_opening_sdot_0, & kinematics_cleavage_opening_N real(pReal), dimension(:,:), allocatable, private :: & kinematics_cleavage_opening_critDisp, & kinematics_cleavage_opening_critLoad public :: & kinematics_cleavage_opening_init, & kinematics_cleavage_opening_LiAndItsTangent contains !-------------------------------------------------------------------------------------------------- !> @brief module initialization !> @details reads in material parameters, allocates arrays, and does sanity checks !-------------------------------------------------------------------------------------------------- subroutine kinematics_cleavage_opening_init(fileUnit) #ifdef __GFORTRAN__ use, intrinsic :: iso_fortran_env, only: & compiler_version, & compiler_options #endif 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_kinematics, & phase_Nkinematics, & phase_Noutput, & KINEMATICS_cleavage_opening_label, & KINEMATICS_cleavage_opening_ID, & material_Nphase, & MATERIAL_partPhase use lattice, only: & lattice_maxNcleavageFamily, & lattice_NcleavageSystem implicit none integer(pInt), intent(in) :: fileUnit integer(pInt), allocatable, dimension(:) :: chunkPos integer(pInt) :: maxNinstance,phase,instance,kinematics integer(pInt) :: Nchunks_CleavageFamilies = 0_pInt, j character(len=65536) :: & tag = '', & line = '' write(6,'(/,a)') ' <<<+- kinematics_'//KINEMATICS_cleavage_opening_LABEL//' init -+>>>' write(6,'(a15,a)') ' Current time: ',IO_timeStamp() #include "compilation_info.f90" maxNinstance = int(count(phase_kinematics == KINEMATICS_cleavage_opening_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(kinematics_cleavage_opening_offset(material_Nphase), source=0_pInt) allocate(kinematics_cleavage_opening_instance(material_Nphase), source=0_pInt) do phase = 1, material_Nphase kinematics_cleavage_opening_instance(phase) = count(phase_kinematics(:,1:phase) == kinematics_cleavage_opening_ID) do kinematics = 1, phase_Nkinematics(phase) if (phase_kinematics(kinematics,phase) == kinematics_cleavage_opening_ID) & kinematics_cleavage_opening_offset(phase) = kinematics enddo enddo allocate(kinematics_cleavage_opening_sizePostResults(maxNinstance), source=0_pInt) allocate(kinematics_cleavage_opening_sizePostResult(maxval(phase_Noutput),maxNinstance), source=0_pInt) allocate(kinematics_cleavage_opening_output(maxval(phase_Noutput),maxNinstance)) kinematics_cleavage_opening_output = '' allocate(kinematics_cleavage_opening_Noutput(maxNinstance), source=0_pInt) allocate(kinematics_cleavage_opening_critDisp(lattice_maxNcleavageFamily,maxNinstance), source=0.0_pReal) allocate(kinematics_cleavage_opening_critLoad(lattice_maxNcleavageFamily,maxNinstance), source=0.0_pReal) allocate(kinematics_cleavage_opening_Ncleavage(lattice_maxNcleavageFamily,maxNinstance), source=0_pInt) allocate(kinematics_cleavage_opening_totalNcleavage(maxNinstance), source=0_pInt) allocate(kinematics_cleavage_opening_sdot_0(maxNinstance), source=0.0_pReal) allocate(kinematics_cleavage_opening_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_kinematics(:,phase) == KINEMATICS_cleavage_opening_ID)) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran instance = kinematics_cleavage_opening_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 ('anisobrittle_sdot0') kinematics_cleavage_opening_sdot_0(instance) = IO_floatValue(line,chunkPos,2_pInt) case ('anisobrittle_ratesensitivity') kinematics_cleavage_opening_N(instance) = IO_floatValue(line,chunkPos,2_pInt) case ('ncleavage') ! Nchunks_CleavageFamilies = chunkPos(1) - 1_pInt do j = 1_pInt, Nchunks_CleavageFamilies kinematics_cleavage_opening_Ncleavage(j,instance) = IO_intValue(line,chunkPos,1_pInt+j) enddo case ('anisobrittle_criticaldisplacement') do j = 1_pInt, Nchunks_CleavageFamilies kinematics_cleavage_opening_critDisp(j,instance) = IO_floatValue(line,chunkPos,1_pInt+j) enddo case ('anisobrittle_criticalload') do j = 1_pInt, Nchunks_CleavageFamilies kinematics_cleavage_opening_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_kinematics(:,phase) == KINEMATICS_cleavage_opening_ID)) then instance = kinematics_cleavage_opening_instance(phase) kinematics_cleavage_opening_Ncleavage(1:lattice_maxNcleavageFamily,instance) = & min(lattice_NcleavageSystem(1:lattice_maxNcleavageFamily,phase),& ! limit active cleavage systems per family to min of available and requested kinematics_cleavage_opening_Ncleavage(1:lattice_maxNcleavageFamily,instance)) kinematics_cleavage_opening_totalNcleavage(instance) = sum(kinematics_cleavage_opening_Ncleavage(:,instance)) ! how many cleavage systems altogether if (kinematics_cleavage_opening_sdot_0(instance) <= 0.0_pReal) & call IO_error(211_pInt,el=instance,ext_msg='sdot_0 ('//KINEMATICS_cleavage_opening_LABEL//')') if (any(kinematics_cleavage_opening_critDisp(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) & call IO_error(211_pInt,el=instance,ext_msg='critical_displacement ('//KINEMATICS_cleavage_opening_LABEL//')') if (any(kinematics_cleavage_opening_critLoad(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) & call IO_error(211_pInt,el=instance,ext_msg='critical_load ('//KINEMATICS_cleavage_opening_LABEL//')') if (kinematics_cleavage_opening_N(instance) <= 0.0_pReal) & call IO_error(211_pInt,el=instance,ext_msg='rate_sensitivity ('//KINEMATICS_cleavage_opening_LABEL//')') endif myPhase enddo sanityChecks end subroutine kinematics_cleavage_opening_init !-------------------------------------------------------------------------------------------------- !> @brief contains the constitutive equation for calculating the velocity gradient !-------------------------------------------------------------------------------------------------- subroutine kinematics_cleavage_opening_LiAndItsTangent(Ld, dLd_dTstar3333, Tstar_v, ipc, ip, el) use prec, only: & tol_math_check use material, only: & phaseAt, phasememberAt, & material_homog, & damage, & damageMapping use lattice, only: & lattice_Scleavage, & lattice_Scleavage_v, & lattice_maxNcleavageFamily, & lattice_NcleavageSystem implicit none integer(pInt), intent(in) :: & ipc, & !< grain number ip, & !< integration point number el !< element number real(pReal), intent(in), dimension(6) :: & Tstar_v !< 2nd Piola-Kirchhoff stress real(pReal), intent(out), dimension(3,3) :: & Ld !< damage velocity gradient real(pReal), intent(out), dimension(3,3,3,3) :: & dLd_dTstar3333 !< derivative of Ld with respect to Tstar (4th-order tensor) integer(pInt) :: & phase, & constituent, & instance, & homog, damageOffset, & f, i, index_myFamily, k, l, m, n real(pReal) :: & traction_d, traction_t, traction_n, traction_crit, & udotd, dudotd_dt, udott, dudott_dt, udotn, dudotn_dt phase = phaseAt(ipc,ip,el) constituent = phasememberAt(ipc,ip,el) instance = kinematics_cleavage_opening_instance(phase) homog = material_homog(ip,el) damageOffset = damageMapping(homog)%p(ip,el) Ld = 0.0_pReal dLd_dTstar3333 = 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,kinematics_cleavage_opening_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 = kinematics_cleavage_opening_critLoad(f,instance)* & damage(homog)%p(damageOffset)*damage(homog)%p(damageOffset) udotd = & sign(1.0_pReal,traction_d)* & kinematics_cleavage_opening_sdot_0(instance)* & (max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**kinematics_cleavage_opening_N(instance) if (abs(udotd) > tol_math_check) then Ld = Ld + udotd*lattice_Scleavage(1:3,1:3,1,index_myFamily+i,phase) dudotd_dt = sign(1.0_pReal,traction_d)*udotd*kinematics_cleavage_opening_N(instance)/ & max(0.0_pReal, abs(traction_d) - traction_crit) forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) & dLd_dTstar3333(k,l,m,n) = dLd_dTstar3333(k,l,m,n) + & dudotd_dt*lattice_Scleavage(k,l,1,index_myFamily+i,phase)* & lattice_Scleavage(m,n,1,index_myFamily+i,phase) endif udott = & sign(1.0_pReal,traction_t)* & kinematics_cleavage_opening_sdot_0(instance)* & (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**kinematics_cleavage_opening_N(instance) if (abs(udott) > tol_math_check) then Ld = Ld + udott*lattice_Scleavage(1:3,1:3,2,index_myFamily+i,phase) dudott_dt = sign(1.0_pReal,traction_t)*udott*kinematics_cleavage_opening_N(instance)/ & max(0.0_pReal, abs(traction_t) - traction_crit) forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) & dLd_dTstar3333(k,l,m,n) = dLd_dTstar3333(k,l,m,n) + & dudott_dt*lattice_Scleavage(k,l,2,index_myFamily+i,phase)* & lattice_Scleavage(m,n,2,index_myFamily+i,phase) endif udotn = & sign(1.0_pReal,traction_n)* & kinematics_cleavage_opening_sdot_0(instance)* & (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**kinematics_cleavage_opening_N(instance) if (abs(udotn) > tol_math_check) then Ld = Ld + udotn*lattice_Scleavage(1:3,1:3,3,index_myFamily+i,phase) dudotn_dt = sign(1.0_pReal,traction_n)*udotn*kinematics_cleavage_opening_N(instance)/ & max(0.0_pReal, abs(traction_n) - traction_crit) forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) & dLd_dTstar3333(k,l,m,n) = dLd_dTstar3333(k,l,m,n) + & dudotn_dt*lattice_Scleavage(k,l,3,index_myFamily+i,phase)* & lattice_Scleavage(m,n,3,index_myFamily+i,phase) endif enddo enddo end subroutine kinematics_cleavage_opening_LiAndItsTangent end module kinematics_cleavage_opening