333 lines
13 KiB
Fortran
333 lines
13 KiB
Fortran
!--------------------------------------------------------------------------------------------------
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!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine incorporating anisotropic brittle damage source mechanism
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!> @details to be done
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!--------------------------------------------------------------------------------------------------
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module source_damage_anisoBrittle
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use prec, only: &
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pReal, &
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pInt
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implicit none
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private
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integer(pInt), dimension(:), allocatable, public, protected :: &
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source_damage_anisoBrittle_offset, & !< which source is my current source mechanism?
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source_damage_anisoBrittle_instance !< instance of source mechanism
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integer(pInt), dimension(:,:), allocatable, target, public :: &
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source_damage_anisoBrittle_sizePostResult !< size of each post result output
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character(len=64), dimension(:,:), allocatable, target, public :: &
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source_damage_anisoBrittle_output !< name of each post result output
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integer(pInt), dimension(:,:), allocatable, private :: &
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source_damage_anisoBrittle_Ncleavage !< number of cleavage systems per family
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enum, bind(c)
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enumerator :: undefined_ID, &
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damage_drivingforce_ID
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end enum
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type, private :: tParameters !< container type for internal constitutive parameters
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real(pReal) :: &
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aTol, &
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sdot_0, &
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N
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real(pReal), dimension(:), allocatable :: &
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critDisp, &
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critLoad
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real(pReal), dimension(:,:,:,:), allocatable :: &
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cleavage_systems
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integer(pInt) :: &
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totalNcleavage
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integer(pInt), dimension(:), allocatable :: &
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Ncleavage
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integer(kind(undefined_ID)), allocatable, dimension(:) :: &
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outputID !< ID of each post result output
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end type tParameters
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type(tParameters), dimension(:), allocatable, private :: param !< containers of constitutive parameters (len Ninstance)
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public :: &
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source_damage_anisoBrittle_init, &
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source_damage_anisoBrittle_dotState, &
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source_damage_anisobrittle_getRateAndItsTangent, &
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source_damage_anisoBrittle_postResults
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief module initialization
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!> @details reads in material parameters, allocates arrays, and does sanity checks
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!--------------------------------------------------------------------------------------------------
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subroutine source_damage_anisoBrittle_init
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use prec, only: &
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pStringLen
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use debug, only: &
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debug_level,&
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debug_constitutive,&
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debug_levelBasic
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use IO, only: &
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IO_error
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use math, only: &
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math_expand
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use material, only: &
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material_allocateSourceState, &
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phase_source, &
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phase_Nsources, &
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phase_Noutput, &
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SOURCE_damage_anisoBrittle_label, &
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SOURCE_damage_anisoBrittle_ID, &
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material_phase, &
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sourceState
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use config, only: &
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config_phase, &
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material_Nphase
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use lattice, only: &
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lattice_SchmidMatrix_cleavage, &
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lattice_maxNcleavageFamily
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integer(pInt) :: Ninstance,phase,instance,source,sourceOffset
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integer(pInt) :: NofMyPhase,p ,i
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integer(pInt), dimension(0), parameter :: emptyIntArray = [integer(pInt)::]
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character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::]
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integer(kind(undefined_ID)) :: &
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outputID
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character(len=pStringLen) :: &
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extmsg = ''
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character(len=65536), dimension(:), allocatable :: &
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outputs
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write(6,'(/,a)') ' <<<+- source_'//SOURCE_DAMAGE_ANISOBRITTLE_LABEL//' init -+>>>'
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Ninstance = int(count(phase_source == SOURCE_damage_anisoBrittle_ID),pInt)
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if (Ninstance == 0_pInt) return
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if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0_pInt) &
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write(6,'(a16,1x,i5,/)') '# instances:',Ninstance
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allocate(source_damage_anisoBrittle_offset(material_Nphase), source=0_pInt)
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allocate(source_damage_anisoBrittle_instance(material_Nphase), source=0_pInt)
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do phase = 1, material_Nphase
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source_damage_anisoBrittle_instance(phase) = count(phase_source(:,1:phase) == source_damage_anisoBrittle_ID)
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do source = 1, phase_Nsources(phase)
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if (phase_source(source,phase) == source_damage_anisoBrittle_ID) &
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source_damage_anisoBrittle_offset(phase) = source
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enddo
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enddo
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allocate(source_damage_anisoBrittle_sizePostResult(maxval(phase_Noutput),Ninstance), source=0_pInt)
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allocate(source_damage_anisoBrittle_output(maxval(phase_Noutput),Ninstance))
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source_damage_anisoBrittle_output = ''
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allocate(source_damage_anisoBrittle_Ncleavage(lattice_maxNcleavageFamily,Ninstance), source=0_pInt)
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allocate(param(Ninstance))
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do p=1, size(config_phase)
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if (all(phase_source(:,p) /= SOURCE_DAMAGE_ANISOBRITTLE_ID)) cycle
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associate(prm => param(source_damage_anisoBrittle_instance(p)), &
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config => config_phase(p))
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prm%aTol = config%getFloat('anisobrittle_atol',defaultVal = 1.0e-3_pReal)
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prm%N = config%getFloat('anisobrittle_ratesensitivity')
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prm%sdot_0 = config%getFloat('anisobrittle_sdot0')
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! sanity checks
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if (prm%aTol < 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_atol'
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if (prm%N <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_ratesensitivity'
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if (prm%sdot_0 <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_sdot0'
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prm%Ncleavage = config%getInts('ncleavage',defaultVal=emptyIntArray)
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prm%critDisp = config%getFloats('anisobrittle_criticaldisplacement',requiredSize=size(prm%Ncleavage))
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prm%critLoad = config%getFloats('anisobrittle_criticalload', requiredSize=size(prm%Ncleavage))
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prm%cleavage_systems = lattice_SchmidMatrix_cleavage (prm%Ncleavage,config%getString('lattice_structure'),&
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config%getFloat('c/a',defaultVal=0.0_pReal))
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! expand: family => system
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prm%critDisp = math_expand(prm%critDisp, prm%Ncleavage)
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prm%critLoad = math_expand(prm%critLoad, prm%Ncleavage)
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if (any(prm%critLoad < 0.0_pReal)) extmsg = trim(extmsg)//' anisobrittle_criticalload'
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if (any(prm%critDisp < 0.0_pReal)) extmsg = trim(extmsg)//' anisobrittle_criticaldisplacement'
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!--------------------------------------------------------------------------------------------------
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! exit if any parameter is out of range
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if (extmsg /= '') &
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call IO_error(211_pInt,ext_msg=trim(extmsg)//'('//SOURCE_DAMAGE_ANISOBRITTLE_LABEL//')')
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!--------------------------------------------------------------------------------------------------
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! output pararameters
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outputs = config%getStrings('(output)',defaultVal=emptyStringArray)
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allocate(prm%outputID(0))
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do i=1_pInt, size(outputs)
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outputID = undefined_ID
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select case(outputs(i))
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case ('anisobrittle_drivingforce')
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source_damage_anisoBrittle_sizePostResult(i,source_damage_anisoBrittle_instance(p)) = 1_pInt
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source_damage_anisoBrittle_output(i,source_damage_anisoBrittle_instance(p)) = outputs(i)
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prm%outputID = [prm%outputID, damage_drivingforce_ID]
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end select
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enddo
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end associate
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phase = p
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NofMyPhase=count(material_phase==phase)
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instance = source_damage_anisoBrittle_instance(phase)
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sourceOffset = source_damage_anisoBrittle_offset(phase)
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call material_allocateSourceState(phase,sourceOffset,NofMyPhase,1_pInt,1_pInt,0_pInt)
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sourceState(phase)%p(sourceOffset)%sizePostResults = sum(source_damage_anisoBrittle_sizePostResult(:,instance))
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sourceState(phase)%p(sourceOffset)%aTolState=param(instance)%aTol
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source_damage_anisoBrittle_Ncleavage(1:size(param(instance)%Ncleavage),instance) = param(instance)%Ncleavage
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enddo
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end subroutine source_damage_anisoBrittle_init
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates derived quantities from state
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!--------------------------------------------------------------------------------------------------
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subroutine source_damage_anisoBrittle_dotState(S, ipc, ip, el)
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use math, only: &
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math_mul33xx33
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use material, only: &
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phaseAt, phasememberAt, &
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sourceState, &
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material_homogenizationAt, &
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damage, &
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damageMapping
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use lattice, only: &
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lattice_Scleavage, &
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lattice_maxNcleavageFamily, &
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lattice_NcleavageSystem
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integer(pInt), intent(in) :: &
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ipc, & !< component-ID of integration point
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ip, & !< integration point
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el !< element
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real(pReal), intent(in), dimension(3,3) :: &
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S
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integer(pInt) :: &
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phase, &
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constituent, &
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instance, &
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sourceOffset, &
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damageOffset, &
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homog, &
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f, i, index_myFamily, index
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real(pReal) :: &
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traction_d, traction_t, traction_n, traction_crit
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phase = phaseAt(ipc,ip,el)
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constituent = phasememberAt(ipc,ip,el)
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instance = source_damage_anisoBrittle_instance(phase)
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sourceOffset = source_damage_anisoBrittle_offset(phase)
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homog = material_homogenizationAt(el)
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damageOffset = damageMapping(homog)%p(ip,el)
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sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = 0.0_pReal
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index = 1_pInt
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do f = 1_pInt,lattice_maxNcleavageFamily
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index_myFamily = sum(lattice_NcleavageSystem(1:f-1_pInt,phase)) ! at which index starts my family
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do i = 1_pInt,source_damage_anisoBrittle_Ncleavage(f,instance) ! process each (active) cleavage system in family
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traction_d = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,1,index_myFamily+i,phase))
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traction_t = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,2,index_myFamily+i,phase))
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traction_n = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,3,index_myFamily+i,phase))
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traction_crit = param(instance)%critLoad(index)* &
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damage(homog)%p(damageOffset)*damage(homog)%p(damageOffset)
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sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = &
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sourceState(phase)%p(sourceOffset)%dotState(1,constituent) + &
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param(instance)%sdot_0* &
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((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**param(instance)%N + &
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(max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**param(instance)%N + &
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(max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**param(instance)%N)/ &
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param(instance)%critDisp(index)
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index = index + 1_pInt
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enddo
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enddo
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end subroutine source_damage_anisoBrittle_dotState
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!--------------------------------------------------------------------------------------------------
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!> @brief returns local part of nonlocal damage driving force
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!--------------------------------------------------------------------------------------------------
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subroutine source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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use material, only: &
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sourceState
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integer(pInt), intent(in) :: &
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phase, &
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constituent
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real(pReal), intent(in) :: &
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phi
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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integer(pInt) :: &
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sourceOffset
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sourceOffset = source_damage_anisoBrittle_offset(phase)
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localphiDot = 1.0_pReal &
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- sourceState(phase)%p(sourceOffset)%state(1,constituent)*phi
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dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent)
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end subroutine source_damage_anisobrittle_getRateAndItsTangent
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!--------------------------------------------------------------------------------------------------
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!> @brief return array of local damage results
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!--------------------------------------------------------------------------------------------------
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function source_damage_anisoBrittle_postResults(phase, constituent)
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use material, only: &
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sourceState
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integer(pInt), intent(in) :: &
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phase, &
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constituent
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real(pReal), dimension(sum(source_damage_anisoBrittle_sizePostResult(:, &
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source_damage_anisoBrittle_instance(phase)))) :: &
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source_damage_anisoBrittle_postResults
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integer(pInt) :: &
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instance, sourceOffset, o, c
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instance = source_damage_anisoBrittle_instance(phase)
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sourceOffset = source_damage_anisoBrittle_offset(phase)
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c = 0_pInt
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do o = 1_pInt,size(param(instance)%outputID)
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select case(param(instance)%outputID(o))
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case (damage_drivingforce_ID)
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source_damage_anisoBrittle_postResults(c+1_pInt) = &
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sourceState(phase)%p(sourceOffset)%state(1,constituent)
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c = c + 1_pInt
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end select
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enddo
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end function source_damage_anisoBrittle_postResults
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end module source_damage_anisoBrittle
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