213 lines
7.9 KiB
Fortran
213 lines
7.9 KiB
Fortran
!--------------------------------------------------------------------------------------------------
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine for non-locally evolving damage field
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!--------------------------------------------------------------------------------------------------
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module damage_nonlocal
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use prec
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use material
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use config
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use YAML_types
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use crystallite
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use lattice
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use constitutive
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use results
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implicit none
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private
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type :: tParameters
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character(len=pStringLen), allocatable, dimension(:) :: &
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output
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end type tParameters
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type, private :: tNumerics
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real(pReal) :: &
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charLength !< characteristic length scale for gradient problems
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end type tNumerics
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type(tparameters), dimension(:), allocatable :: &
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param
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type(tNumerics), private :: &
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num
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public :: &
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damage_nonlocal_init, &
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damage_nonlocal_getSourceAndItsTangent, &
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damage_nonlocal_getDiffusion, &
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damage_nonlocal_getMobility, &
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damage_nonlocal_putNonLocalDamage, &
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damage_nonlocal_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_nonlocal_init
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integer :: Ninstance,NofMyHomog,h
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class(tNode), pointer :: &
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num_generic, &
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material_homogenization, &
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homog, &
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homogDamage
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print'(/,a)', ' <<<+- damage_nonlocal init -+>>>'; flush(6)
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!------------------------------------------------------------------------------------
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! read numerics parameter
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num_generic => config_numerics%get('generic',defaultVal= emptyDict)
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num%charLength = num_generic%get_asFloat('charLength',defaultVal=1.0_pReal)
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Ninstance = count(damage_type == DAMAGE_nonlocal_ID)
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allocate(param(Ninstance))
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material_homogenization => config_material%get('homogenization')
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do h = 1, material_homogenization%length
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if (damage_type(h) /= DAMAGE_NONLOCAL_ID) cycle
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homog => material_homogenization%get(h)
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homogDamage => homog%get('damage')
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associate(prm => param(damage_typeInstance(h)))
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#if defined (__GFORTRAN__)
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prm%output = output_asStrings(homogDamage)
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#else
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prm%output = homogDamage%get_asStrings('output',defaultVal=emptyStringArray)
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#endif
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NofMyHomog = count(material_homogenizationAt == h)
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damageState(h)%sizeState = 1
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allocate(damageState(h)%state0 (1,NofMyHomog), source=damage_initialPhi(h))
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allocate(damageState(h)%subState0(1,NofMyHomog), source=damage_initialPhi(h))
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allocate(damageState(h)%state (1,NofMyHomog), source=damage_initialPhi(h))
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nullify(damageMapping(h)%p)
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damageMapping(h)%p => material_homogenizationMemberAt
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deallocate(damage(h)%p)
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damage(h)%p => damageState(h)%state(1,:)
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end associate
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enddo
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end subroutine damage_nonlocal_init
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates homogenized damage driving forces
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!--------------------------------------------------------------------------------------------------
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subroutine damage_nonlocal_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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real(pReal) :: &
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phiDot, dPhiDot_dPhi
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phiDot = 0.0_pReal
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dPhiDot_dPhi = 0.0_pReal
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call constitutive_damage_getRateAndItsTangents(phiDot, dPhiDot_dPhi, phi, ip, el)
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phiDot = phiDot/real(homogenization_Nconstituent(material_homogenizationAt(el)),pReal)
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dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Nconstituent(material_homogenizationAt(el)),pReal)
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end subroutine damage_nonlocal_getSourceAndItsTangent
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!--------------------------------------------------------------------------------------------------
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!> @brief returns homogenized non local damage diffusion tensor in reference configuration
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!--------------------------------------------------------------------------------------------------
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function damage_nonlocal_getDiffusion(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), dimension(3,3) :: &
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damage_nonlocal_getDiffusion
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integer :: &
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homog, &
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grain
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homog = material_homogenizationAt(el)
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damage_nonlocal_getDiffusion = 0.0_pReal
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do grain = 1, homogenization_Nconstituent(homog)
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damage_nonlocal_getDiffusion = damage_nonlocal_getDiffusion + &
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crystallite_push33ToRef(grain,ip,el,lattice_D(1:3,1:3,material_phaseAt(grain,el)))
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enddo
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damage_nonlocal_getDiffusion = &
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num%charLength**2*damage_nonlocal_getDiffusion/real(homogenization_Nconstituent(homog),pReal)
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end function damage_nonlocal_getDiffusion
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!--------------------------------------------------------------------------------------------------
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!> @brief Returns homogenized nonlocal damage mobility
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!--------------------------------------------------------------------------------------------------
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real(pReal) function damage_nonlocal_getMobility(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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integer :: &
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ipc
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damage_nonlocal_getMobility = 0.0_pReal
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do ipc = 1, homogenization_Nconstituent(material_homogenizationAt(el))
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damage_nonlocal_getMobility = damage_nonlocal_getMobility + lattice_M(material_phaseAt(ipc,el))
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enddo
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damage_nonlocal_getMobility = damage_nonlocal_getMobility/&
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real(homogenization_Nconstituent(material_homogenizationAt(el)),pReal)
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end function damage_nonlocal_getMobility
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!--------------------------------------------------------------------------------------------------
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!> @brief updated nonlocal damage field with solution from damage phase field PDE
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!--------------------------------------------------------------------------------------------------
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subroutine damage_nonlocal_putNonLocalDamage(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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homog, &
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offset
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homog = material_homogenizationAt(el)
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offset = damageMapping(homog)%p(ip,el)
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damage(homog)%p(offset) = phi
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end subroutine damage_nonlocal_putNonLocalDamage
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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_nonlocal_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%output)
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select case(prm%output(o))
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case ('phi')
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call results_writeDataset(group,damage(homog)%p,prm%output(o),&
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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_nonlocal_results
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end module damage_nonlocal
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