DAMASK_EICMD/src/homogenization_mechanical.f90

262 lines
10 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, KU Leuven
!> @brief Partition F and homogenize P/dPdF
!--------------------------------------------------------------------------------------------------
submodule(homogenization) mechanical
interface
module subroutine pass_init()
end subroutine pass_init
module subroutine isostrain_init()
end subroutine isostrain_init
module subroutine RGC_init()
end subroutine RGC_init
module subroutine isostrain_partitionDeformation(F,avgF)
real(pREAL), dimension (:,:,:), intent(out) :: F !< partitioned deformation gradient
real(pREAL), dimension (3,3), intent(in) :: avgF !< average deformation gradient at material point
end subroutine isostrain_partitionDeformation
module subroutine RGC_partitionDeformation(F,avgF,ce)
real(pREAL), dimension (:,:,:), intent(out) :: F !< partitioned deformation gradient
real(pREAL), dimension (3,3), intent(in) :: avgF !< average deformation gradient at material point
integer, intent(in) :: &
ce
end subroutine RGC_partitionDeformation
module function RGC_updateState(P,F,avgF,dt,dPdF,ce) result(doneAndHappy)
logical, dimension(2) :: doneAndHappy
real(pREAL), dimension(:,:,:), intent(in) :: &
P,& !< partitioned stresses
F !< partitioned deformation gradients
real(pREAL), dimension(:,:,:,:,:), intent(in) :: dPdF !< partitioned stiffnesses
real(pREAL), dimension(3,3), intent(in) :: avgF !< average F
real(pREAL), intent(in) :: dt !< time increment
integer, intent(in) :: &
ce !< cell
end function RGC_updateState
module subroutine RGC_result(ho,group)
integer, intent(in) :: ho !< homogenization type
character(len=*), intent(in) :: group !< group name in HDF5 file
end subroutine RGC_result
end interface
type :: tOutput !< requested output (per phase)
character(len=pSTRLEN), allocatable, dimension(:) :: &
label
end type tOutput
type(tOutput), allocatable, dimension(:) :: output_mechanical
enum, bind(c); enumerator :: &
MECHANICAL_UNDEFINED_ID, &
MECHANICAL_PASS_ID, &
MECHANICAL_ISOSTRAIN_ID, &
MECHANICAL_RGC_ID
end enum
integer(kind(MECHANICAL_UNDEFINED_ID)), dimension(:), allocatable :: &
mechanical_type !< type of each homogenization
contains
!--------------------------------------------------------------------------------------------------
!> @brief Allocate variables and set parameters.
!--------------------------------------------------------------------------------------------------
module subroutine mechanical_init()
print'(/,1x,a)', '<<<+- homogenization:mechanical init -+>>>'
call parseMechanical()
allocate(homogenization_dPdF(3,3,3,3,discretization_Ncells), source=0.0_pREAL)
homogenization_F0 = spread(math_I3,3,discretization_Ncells)
homogenization_F = homogenization_F0
allocate(homogenization_P(3,3,discretization_Ncells),source=0.0_pREAL)
if (any(mechanical_type == MECHANICAL_PASS_ID)) call pass_init()
if (any(mechanical_type == MECHANICAL_ISOSTRAIN_ID)) call isostrain_init()
if (any(mechanical_type == MECHANICAL_RGC_ID)) call RGC_init()
end subroutine mechanical_init
!--------------------------------------------------------------------------------------------------
!> @brief Partition F onto the individual constituents.
!--------------------------------------------------------------------------------------------------
module subroutine mechanical_partition(subF,ce)
real(pREAL), intent(in), dimension(3,3) :: &
subF
integer, intent(in) :: &
ce
integer :: co
real(pREAL), dimension (3,3,homogenization_Nconstituents(material_ID_homogenization(ce))) :: Fs
chosenHomogenization: select case(mechanical_type(material_ID_homogenization(ce)))
case (MECHANICAL_PASS_ID) chosenHomogenization
Fs(1:3,1:3,1) = subF
case (MECHANICAL_ISOSTRAIN_ID) chosenHomogenization
call isostrain_partitionDeformation(Fs,subF)
case (MECHANICAL_RGC_ID) chosenHomogenization
call RGC_partitionDeformation(Fs,subF,ce)
end select chosenHomogenization
do co = 1,homogenization_Nconstituents(material_ID_homogenization(ce))
call phase_set_F(Fs(1:3,1:3,co),co,ce)
end do
end subroutine mechanical_partition
!--------------------------------------------------------------------------------------------------
!> @brief Average P and dPdF from the individual constituents.
!--------------------------------------------------------------------------------------------------
module subroutine mechanical_homogenize(Delta_t,ce)
real(pREAL), intent(in) :: Delta_t
integer, intent(in) :: ce
integer :: co
homogenization_P(1:3,1:3,ce) = phase_P(1,ce)*material_v(1,ce)
homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = phase_mechanical_dPdF(Delta_t,1,ce)*material_v(1,ce)
do co = 2, homogenization_Nconstituents(material_ID_homogenization(ce))
homogenization_P(1:3,1:3,ce) = homogenization_P(1:3,1:3,ce) &
+ phase_P(co,ce)*material_v(co,ce)
homogenization_dPdF(1:3,1:3,1:3,1:3,ce) = homogenization_dPdF(1:3,1:3,1:3,1:3,ce) &
+ phase_mechanical_dPdF(Delta_t,co,ce)*material_v(co,ce)
end do
end subroutine mechanical_homogenize
!--------------------------------------------------------------------------------------------------
!> @brief update the internal state of the homogenization scheme and tell whether "done" and
!> "happy" with result
!--------------------------------------------------------------------------------------------------
module function mechanical_updateState(subdt,subF,ce) result(doneAndHappy)
real(pREAL), intent(in) :: &
subdt !< current time step
real(pREAL), intent(in), dimension(3,3) :: &
subF
integer, intent(in) :: &
ce
logical, dimension(2) :: doneAndHappy
integer :: co
real(pREAL) :: dPdFs(3,3,3,3,homogenization_Nconstituents(material_ID_homogenization(ce)))
real(pREAL) :: Fs(3,3,homogenization_Nconstituents(material_ID_homogenization(ce)))
real(pREAL) :: Ps(3,3,homogenization_Nconstituents(material_ID_homogenization(ce)))
if (mechanical_type(material_ID_homogenization(ce)) == MECHANICAL_RGC_ID) then
do co = 1, homogenization_Nconstituents(material_ID_homogenization(ce))
dPdFs(:,:,:,:,co) = phase_mechanical_dPdF(subdt,co,ce)
Fs(:,:,co) = phase_F(co,ce)
Ps(:,:,co) = phase_P(co,ce)
end do
doneAndHappy = RGC_updateState(Ps,Fs,subF,subdt,dPdFs,ce)
else
doneAndHappy = .true.
end if
end function mechanical_updateState
!--------------------------------------------------------------------------------------------------
!> @brief Write results to file.
!--------------------------------------------------------------------------------------------------
module subroutine mechanical_result(group_base,ho)
character(len=*), intent(in) :: group_base
integer, intent(in) :: ho
integer :: ou
character(len=:), allocatable :: group
group = trim(group_base)//'/mechanical'
call result_closeGroup(result_addGroup(group))
select case(mechanical_type(ho))
case(MECHANICAL_RGC_ID)
call RGC_result(ho,group)
end select
do ou = 1, size(output_mechanical(1)%label)
select case (output_mechanical(ho)%label(ou))
case('F')
call result_writeDataset(reshape(homogenization_F,[3,3,discretization_nCells]),group,'F', &
'deformation gradient','1')
case('P')
call result_writeDataset(reshape(homogenization_P,[3,3,discretization_nCells]),group,'P', &
'first Piola-Kirchhoff stress','Pa')
end select
end do
end subroutine mechanical_result
!--------------------------------------------------------------------------------------------------
!> @brief parses the homogenization part from the material configuration
!--------------------------------------------------------------------------------------------------
subroutine parseMechanical()
type(tDict), pointer :: &
material_homogenization, &
homog, &
mechanical
integer :: ho
material_homogenization => config_material%get_dict('homogenization')
allocate(mechanical_type(size(material_name_homogenization)), source=MECHANICAL_UNDEFINED_ID)
allocate(output_mechanical(size(material_name_homogenization)))
do ho=1, size(material_name_homogenization)
homog => material_homogenization%get_dict(ho)
mechanical => homog%get_dict('mechanical')
#if defined(__GFORTRAN__)
output_mechanical(ho)%label = output_as1dStr(mechanical)
#else
output_mechanical(ho)%label = mechanical%get_as1dStr('output',defaultVal=emptyStrArray)
#endif
select case (mechanical%get_asStr('type'))
case('pass')
mechanical_type(ho) = MECHANICAL_PASS_ID
case('isostrain')
mechanical_type(ho) = MECHANICAL_ISOSTRAIN_ID
case('RGC')
mechanical_type(ho) = MECHANICAL_RGC_ID
case default
call IO_error(500,ext_msg=mechanical%get_asStr('type'))
end select
end do
end subroutine parseMechanical
end submodule mechanical