250 lines
10 KiB
Fortran
250 lines
10 KiB
Fortran
!--------------------------------------------------------------------------------------------------
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!> @author Martin Diehl, KU Leuven
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!> @brief Partition F and homogenize P/dPdF
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!--------------------------------------------------------------------------------------------------
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submodule(homogenization) mechanical
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interface
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module subroutine pass_init
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end subroutine pass_init
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module subroutine isostrain_init
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end subroutine isostrain_init
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module subroutine RGC_init(num_homogMech)
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class(tNode), pointer, intent(in) :: &
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num_homogMech !< pointer to mechanical homogenization numerics data
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end subroutine RGC_init
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module subroutine isostrain_partitionDeformation(F,avgF)
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real(pReal), dimension (:,:,:), intent(out) :: F !< partitioned deformation gradient
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real(pReal), dimension (3,3), intent(in) :: avgF !< average deformation gradient at material point
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end subroutine isostrain_partitionDeformation
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module subroutine RGC_partitionDeformation(F,avgF,ce)
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real(pReal), dimension (:,:,:), intent(out) :: F !< partitioned deformation gradient
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real(pReal), dimension (3,3), intent(in) :: avgF !< average deformation gradient at material point
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integer, intent(in) :: &
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ce
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end subroutine RGC_partitionDeformation
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module function RGC_updateState(P,F,avgF,dt,dPdF,ce) result(doneAndHappy)
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logical, dimension(2) :: doneAndHappy
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real(pReal), dimension(:,:,:), intent(in) :: &
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P,& !< partitioned stresses
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F !< partitioned deformation gradients
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real(pReal), dimension(:,:,:,:,:), intent(in) :: dPdF !< partitioned stiffnesses
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real(pReal), dimension(3,3), intent(in) :: avgF !< average F
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real(pReal), intent(in) :: dt !< time increment
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integer, intent(in) :: &
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ce !< cell
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end function RGC_updateState
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module subroutine RGC_results(ho,group)
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integer, intent(in) :: ho !< homogenization type
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character(len=*), intent(in) :: group !< group name in HDF5 file
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end subroutine RGC_results
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end interface
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integer(kind(HOMOGENIZATION_undefined_ID)), dimension(:), allocatable :: &
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homogenization_type !< type of each homogenization
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief Allocate variables and set parameters.
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!--------------------------------------------------------------------------------------------------
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module subroutine mechanical_init(num_homog)
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class(tNode), pointer, intent(in) :: &
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num_homog
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class(tNode), pointer :: &
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num_homogMech
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print'(/,a)', ' <<<+- homogenization:mechanical init -+>>>'
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call material_parseHomogenization2()
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allocate(homogenization_dPdF(3,3,3,3,discretization_nIPs*discretization_Nelems), source=0.0_pReal)
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homogenization_F0 = spread(math_I3,3,discretization_nIPs*discretization_Nelems) ! initialize to identity
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homogenization_F = homogenization_F0 ! initialize to identity
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allocate(homogenization_P(3,3,discretization_nIPs*discretization_Nelems), source=0.0_pReal)
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num_homogMech => num_homog%get('mech',defaultVal=emptyDict)
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if (any(homogenization_type == HOMOGENIZATION_NONE_ID)) call pass_init
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if (any(homogenization_type == HOMOGENIZATION_ISOSTRAIN_ID)) call isostrain_init
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if (any(homogenization_type == HOMOGENIZATION_RGC_ID)) call RGC_init(num_homogMech)
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end subroutine mechanical_init
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!--------------------------------------------------------------------------------------------------
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!> @brief Partition F onto the individual constituents.
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!--------------------------------------------------------------------------------------------------
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module subroutine mechanical_partition(subF,ce)
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real(pReal), intent(in), dimension(3,3) :: &
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subF
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integer, intent(in) :: &
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ce
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integer :: co
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real(pReal), dimension (3,3,homogenization_Nconstituents(material_homogenizationID(ce))) :: Fs
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chosenHomogenization: select case(homogenization_type(material_homogenizationID(ce)))
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case (HOMOGENIZATION_NONE_ID) chosenHomogenization
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Fs(1:3,1:3,1) = subF
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case (HOMOGENIZATION_ISOSTRAIN_ID) chosenHomogenization
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call isostrain_partitionDeformation(Fs,subF)
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case (HOMOGENIZATION_RGC_ID) chosenHomogenization
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call RGC_partitionDeformation(Fs,subF,ce)
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end select chosenHomogenization
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do co = 1,homogenization_Nconstituents(material_homogenizationID(ce))
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call phase_set_F(Fs(1:3,1:3,co),co,ce)
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enddo
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end subroutine mechanical_partition
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!--------------------------------------------------------------------------------------------------
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!> @brief Average P and dPdF from the individual constituents.
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!--------------------------------------------------------------------------------------------------
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module subroutine mechanical_homogenize(Delta_t,ce)
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real(pReal), intent(in) :: Delta_t
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integer, intent(in) :: ce
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integer :: co
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homogenization_P(1:3,1:3,ce) = phase_P(1,ce)
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homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = phase_mechanical_dPdF(Delta_t,1,ce)
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do co = 2, homogenization_Nconstituents(material_homogenizationID(ce))
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homogenization_P(1:3,1:3,ce) = homogenization_P(1:3,1:3,ce) &
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+ phase_P(co,ce)
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homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = homogenization_dPdF(1:3,1:3,1:3,1:3,ce) &
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+ phase_mechanical_dPdF(Delta_t,co,ce)
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enddo
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homogenization_P(1:3,1:3,ce) = homogenization_P(1:3,1:3,ce) &
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/ real(homogenization_Nconstituents(material_homogenizationID(ce)),pReal)
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homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = homogenization_dPdF(1:3,1:3,1:3,1:3,ce) &
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/ real(homogenization_Nconstituents(material_homogenizationID(ce)),pReal)
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end subroutine mechanical_homogenize
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!--------------------------------------------------------------------------------------------------
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!> @brief update the internal state of the homogenization scheme and tell whether "done" and
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!> "happy" with result
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!--------------------------------------------------------------------------------------------------
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module function mechanical_updateState(subdt,subF,ce) result(doneAndHappy)
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real(pReal), intent(in) :: &
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subdt !< current time step
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real(pReal), intent(in), dimension(3,3) :: &
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subF
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integer, intent(in) :: &
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ce
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logical, dimension(2) :: doneAndHappy
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integer :: co
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real(pReal) :: dPdFs(3,3,3,3,homogenization_Nconstituents(material_homogenizationID(ce)))
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real(pReal) :: Fs(3,3,homogenization_Nconstituents(material_homogenizationID(ce)))
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real(pReal) :: Ps(3,3,homogenization_Nconstituents(material_homogenizationID(ce)))
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if (homogenization_type(material_homogenizationID(ce)) == HOMOGENIZATION_RGC_ID) then
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do co = 1, homogenization_Nconstituents(material_homogenizationID(ce))
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dPdFs(:,:,:,:,co) = phase_mechanical_dPdF(subdt,co,ce)
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Fs(:,:,co) = phase_F(co,ce)
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Ps(:,:,co) = phase_P(co,ce)
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enddo
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doneAndHappy = RGC_updateState(Ps,Fs,subF,subdt,dPdFs,ce)
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else
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doneAndHappy = .true.
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endif
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end function mechanical_updateState
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!--------------------------------------------------------------------------------------------------
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!> @brief Write results to file.
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!--------------------------------------------------------------------------------------------------
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module subroutine mechanical_results(group_base,ho)
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character(len=*), intent(in) :: group_base
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integer, intent(in) :: ho
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character(len=:), allocatable :: group
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group = trim(group_base)//'/mechanical'
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call results_closeGroup(results_addGroup(group))
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select case(homogenization_type(ho))
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case(HOMOGENIZATION_rgc_ID)
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call RGC_results(ho,group)
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end select
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!temp = reshape(homogenization_F,[3,3,discretization_nIPs*discretization_Nelems])
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!call results_writeDataset(group,temp,'F',&
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! 'deformation gradient','1')
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!temp = reshape(homogenization_P,[3,3,discretization_nIPs*discretization_Nelems])
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!call results_writeDataset(group,temp,'P',&
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! '1st Piola-Kirchhoff stress','Pa')
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end subroutine mechanical_results
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!--------------------------------------------------------------------------------------------------
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!> @brief parses the homogenization part from the material configuration
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!--------------------------------------------------------------------------------------------------
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subroutine material_parseHomogenization2()
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class(tNode), pointer :: &
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material_homogenization, &
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homog, &
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homogMech
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integer :: h
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material_homogenization => config_material%get('homogenization')
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allocate(homogenization_type(size(material_name_homogenization)), source=HOMOGENIZATION_undefined_ID)
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do h=1, size(material_name_homogenization)
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homog => material_homogenization%get(h)
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homogMech => homog%get('mechanical')
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select case (homogMech%get_asString('type'))
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case('pass')
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homogenization_type(h) = HOMOGENIZATION_NONE_ID
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case('isostrain')
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homogenization_type(h) = HOMOGENIZATION_ISOSTRAIN_ID
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case('RGC')
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homogenization_type(h) = HOMOGENIZATION_RGC_ID
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case default
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call IO_error(500,ext_msg=homogMech%get_asString('type'))
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end select
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enddo
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end subroutine material_parseHomogenization2
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end submodule mechanical
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