223 lines
7.8 KiB
Fortran
223 lines
7.8 KiB
Fortran
!--------------------------------------------------------------------------------------------------
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine for locally evolving damage field
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!--------------------------------------------------------------------------------------------------
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module damage_local
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use prec
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use material
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use numerics
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use config
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use source_damage_isoBrittle
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use source_damage_isoDuctile
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use source_damage_anisoBrittle
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use source_damage_anisoDuctile
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use results
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implicit none
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private
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enum, bind(c)
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enumerator :: &
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undefined_ID, &
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damage_ID
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end enum
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integer(kind(undefined_ID)), dimension(:,:), allocatable :: &
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damage_local_outputID !< ID of each post result output
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type :: tParameters
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integer(kind(undefined_ID)), dimension(:), allocatable :: &
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outputID
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end type tParameters
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type(tparameters), dimension(:), allocatable :: &
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param
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public :: &
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damage_local_init, &
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damage_local_updateState, &
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damage_local_Results
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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 damage_local_init
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integer :: maxNinstance,homog,i
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integer :: sizeState
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integer :: NofMyHomog, h
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integer(kind(undefined_ID)) :: &
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outputID
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character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::]
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character(len=65536), dimension(:), allocatable :: &
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outputs
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write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_local_label//' init -+>>>'; flush(6)
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maxNinstance = count(damage_type == DAMAGE_local_ID)
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if (maxNinstance == 0) return
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allocate(damage_local_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID)
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allocate(param(maxNinstance))
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do h = 1, size(damage_type)
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if (damage_type(h) /= DAMAGE_LOCAL_ID) cycle
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associate(prm => param(damage_typeInstance(h)), &
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config => config_homogenization(h))
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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, size(outputs)
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outputID = undefined_ID
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select case(outputs(i))
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case ('damage')
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prm%outputID = [prm%outputID , damage_ID]
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end select
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enddo
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homog = h
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NofMyHomog = count(material_homogenizationAt == homog)
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! allocate state arrays
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sizeState = 1
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damageState(homog)%sizeState = sizeState
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allocate(damageState(homog)%state0 (sizeState,NofMyHomog), source=damage_initialPhi(homog))
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allocate(damageState(homog)%subState0(sizeState,NofMyHomog), source=damage_initialPhi(homog))
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allocate(damageState(homog)%state (sizeState,NofMyHomog), source=damage_initialPhi(homog))
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nullify(damageMapping(homog)%p)
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damageMapping(homog)%p => mappingHomogenization(1,:,:)
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deallocate(damage(homog)%p)
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damage(homog)%p => damageState(homog)%state(1,:)
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end associate
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enddo
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end subroutine damage_local_init
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates local change in damage field
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!--------------------------------------------------------------------------------------------------
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function damage_local_updateState(subdt, ip, el)
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integer, intent(in) :: &
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ip, & !< integration point number
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el !< element number
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real(pReal), intent(in) :: &
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subdt
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logical, dimension(2) :: &
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damage_local_updateState
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integer :: &
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homog, &
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offset
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real(pReal) :: &
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phi, phiDot, dPhiDot_dPhi
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homog = material_homogenizationAt(el)
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offset = mappingHomogenization(1,ip,el)
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phi = damageState(homog)%subState0(1,offset)
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call damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
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phi = max(residualStiffness,min(1.0_pReal,phi + subdt*phiDot))
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damage_local_updateState = [ abs(phi - damageState(homog)%state(1,offset)) &
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<= err_damage_tolAbs &
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.or. abs(phi - damageState(homog)%state(1,offset)) &
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<= err_damage_tolRel*abs(damageState(homog)%state(1,offset)), &
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.true.]
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damageState(homog)%state(1,offset) = phi
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end function damage_local_updateState
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates homogenized local damage driving forces
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!--------------------------------------------------------------------------------------------------
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subroutine damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
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integer, intent(in) :: &
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ip, & !< integration point number
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el !< element number
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real(pReal), intent(in) :: &
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phi
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integer :: &
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phase, &
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grain, &
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source, &
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constituent
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real(pReal) :: &
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phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi
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phiDot = 0.0_pReal
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dPhiDot_dPhi = 0.0_pReal
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do grain = 1, homogenization_Ngrains(material_homogenizationAt(el))
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phase = material_phaseAt(grain,el)
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constituent = material_phasememberAt(grain,ip,el)
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do source = 1, phase_Nsources(phase)
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select case(phase_source(source,phase))
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case (SOURCE_damage_isoBrittle_ID)
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call source_damage_isobrittle_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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case (SOURCE_damage_isoDuctile_ID)
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call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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case (SOURCE_damage_anisoBrittle_ID)
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call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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case (SOURCE_damage_anisoDuctile_ID)
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call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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case default
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localphiDot = 0.0_pReal
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dLocalphiDot_dPhi = 0.0_pReal
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end select
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phiDot = phiDot + localphiDot
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dPhiDot_dPhi = dPhiDot_dPhi + dLocalphiDot_dPhi
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enddo
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enddo
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phiDot = phiDot/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
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dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
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end subroutine damage_local_getSourceAndItsTangent
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!--------------------------------------------------------------------------------------------------
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!> @brief writes results to HDF5 output file
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!--------------------------------------------------------------------------------------------------
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subroutine damage_local_results(homog,group)
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integer, intent(in) :: homog
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character(len=*), intent(in) :: group
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integer :: o
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associate(prm => param(damage_typeInstance(homog)))
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outputsLoop: do o = 1,size(prm%outputID)
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select case(prm%outputID(o))
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case (damage_ID)
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call results_writeDataset(group,damage(homog)%p,'phi',&
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'damage indicator','-')
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end select
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enddo outputsLoop
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end associate
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end subroutine damage_local_results
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end module damage_local
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