262 lines
10 KiB
Fortran
262 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()
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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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type :: tOutput !< requested output (per phase)
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character(len=pStringLen), allocatable, dimension(:) :: &
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label
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end type tOutput
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type(tOutput), allocatable, dimension(:) :: output_mechanical
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enum, bind(c); enumerator :: &
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MECHANICAL_UNDEFINED_ID, &
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MECHANICAL_PASS_ID, &
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MECHANICAL_ISOSTRAIN_ID, &
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MECHANICAL_RGC_ID
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end enum
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integer(kind(MECHANICAL_UNDEFINED_ID)), dimension(:), allocatable :: &
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mechanical_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()
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print'(/,1x,a)', '<<<+- homogenization:mechanical init -+>>>'
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call parseMechanical()
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allocate(homogenization_dPdF(3,3,3,3,discretization_Ncells), source=0.0_pReal)
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homogenization_F0 = spread(math_I3,3,discretization_Ncells)
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homogenization_F = homogenization_F0
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allocate(homogenization_P(3,3,discretization_Ncells),source=0.0_pReal)
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if (any(mechanical_type == MECHANICAL_PASS_ID)) call pass_init()
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if (any(mechanical_type == MECHANICAL_ISOSTRAIN_ID)) call isostrain_init()
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if (any(mechanical_type == MECHANICAL_RGC_ID)) call RGC_init()
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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(mechanical_type(material_homogenizationID(ce)))
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case (MECHANICAL_PASS_ID) chosenHomogenization
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Fs(1:3,1:3,1) = subF
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case (MECHANICAL_ISOSTRAIN_ID) chosenHomogenization
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call isostrain_partitionDeformation(Fs,subF)
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case (MECHANICAL_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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end do
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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)*material_v(1,ce)
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homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = phase_mechanical_dPdF(Delta_t,1,ce)*material_v(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)*material_v(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)*material_v(co,ce)
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end do
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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 (mechanical_type(material_homogenizationID(ce)) == MECHANICAL_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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end do
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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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end if
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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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integer :: ou
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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(mechanical_type(ho))
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case(MECHANICAL_RGC_ID)
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call RGC_results(ho,group)
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end select
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do ou = 1, size(output_mechanical(1)%label)
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select case (output_mechanical(ho)%label(ou))
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case('F')
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call results_writeDataset(reshape(homogenization_F,[3,3,discretization_nCells]),group,'F', &
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'deformation gradient','1')
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case('P')
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call results_writeDataset(reshape(homogenization_P,[3,3,discretization_nCells]),group,'P', &
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'first Piola-Kirchhoff stress','Pa')
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end select
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end do
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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 parseMechanical()
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class(tNode), pointer :: &
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material_homogenization, &
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homog, &
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mechanical
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integer :: ho
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material_homogenization => config_material%get('homogenization')
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allocate(mechanical_type(size(material_name_homogenization)), source=MECHANICAL_UNDEFINED_ID)
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allocate(output_mechanical(size(material_name_homogenization)))
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do ho=1, size(material_name_homogenization)
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homog => material_homogenization%get(ho)
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mechanical => homog%get('mechanical')
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#if defined(__GFORTRAN__)
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output_mechanical(ho)%label = output_as1dString(mechanical)
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#else
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output_mechanical(ho)%label = mechanical%get_as1dString('output',defaultVal=emptyStringArray)
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#endif
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select case (mechanical%get_asString('type'))
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case('pass')
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mechanical_type(ho) = MECHANICAL_PASS_ID
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case('isostrain')
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mechanical_type(ho) = MECHANICAL_ISOSTRAIN_ID
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case('RGC')
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mechanical_type(ho) = MECHANICAL_RGC_ID
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case default
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call IO_error(500,ext_msg=mechanical%get_asString('type'))
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end select
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end do
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end subroutine parseMechanical
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end submodule mechanical
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