210 lines
7.8 KiB
Fortran
210 lines
7.8 KiB
Fortran
!--------------------------------------------------------------------------------------------------
|
|
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
|
|
!> @brief material subroutine for non-locally evolving damage field
|
|
!--------------------------------------------------------------------------------------------------
|
|
module damage_nonlocal
|
|
use prec
|
|
use material
|
|
use config
|
|
use YAML_types
|
|
use crystallite
|
|
use lattice
|
|
use constitutive
|
|
use results
|
|
|
|
implicit none
|
|
private
|
|
|
|
type :: tParameters
|
|
character(len=pStringLen), allocatable, dimension(:) :: &
|
|
output
|
|
end type tParameters
|
|
|
|
type, private :: tNumerics
|
|
real(pReal) :: &
|
|
charLength !< characteristic length scale for gradient problems
|
|
end type tNumerics
|
|
|
|
type(tparameters), dimension(:), allocatable :: &
|
|
param
|
|
type(tNumerics), private :: &
|
|
num
|
|
|
|
public :: &
|
|
damage_nonlocal_init, &
|
|
damage_nonlocal_getSourceAndItsTangent, &
|
|
damage_nonlocal_getDiffusion, &
|
|
damage_nonlocal_getMobility, &
|
|
damage_nonlocal_putNonLocalDamage, &
|
|
damage_nonlocal_results
|
|
|
|
contains
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief module initialization
|
|
!> @details reads in material parameters, allocates arrays, and does sanity checks
|
|
!--------------------------------------------------------------------------------------------------
|
|
subroutine damage_nonlocal_init
|
|
|
|
integer :: Ninstances,Nmaterialpoints,h
|
|
class(tNode), pointer :: &
|
|
num_generic, &
|
|
material_homogenization, &
|
|
homog, &
|
|
homogDamage
|
|
|
|
print'(/,a)', ' <<<+- damage_nonlocal init -+>>>'; flush(6)
|
|
|
|
!------------------------------------------------------------------------------------
|
|
! read numerics parameter
|
|
num_generic => config_numerics%get('generic',defaultVal= emptyDict)
|
|
num%charLength = num_generic%get_asFloat('charLength',defaultVal=1.0_pReal)
|
|
|
|
Ninstances = count(damage_type == DAMAGE_nonlocal_ID)
|
|
allocate(param(Ninstances))
|
|
|
|
material_homogenization => config_material%get('homogenization')
|
|
do h = 1, material_homogenization%length
|
|
if (damage_type(h) /= DAMAGE_NONLOCAL_ID) cycle
|
|
homog => material_homogenization%get(h)
|
|
homogDamage => homog%get('damage')
|
|
associate(prm => param(damage_typeInstance(h)))
|
|
|
|
#if defined (__GFORTRAN__)
|
|
prm%output = output_asStrings(homogDamage)
|
|
#else
|
|
prm%output = homogDamage%get_asStrings('output',defaultVal=emptyStringArray)
|
|
#endif
|
|
|
|
Nmaterialpoints = count(material_homogenizationAt == h)
|
|
damageState(h)%sizeState = 1
|
|
allocate(damageState(h)%state0 (1,Nmaterialpoints), source=1.0_pReal)
|
|
allocate(damageState(h)%subState0(1,Nmaterialpoints), source=1.0_pReal)
|
|
allocate(damageState(h)%state (1,Nmaterialpoints), source=1.0_pReal)
|
|
|
|
damage(h)%p => damageState(h)%state(1,:)
|
|
|
|
end associate
|
|
enddo
|
|
|
|
end subroutine damage_nonlocal_init
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief calculates homogenized damage driving forces
|
|
!--------------------------------------------------------------------------------------------------
|
|
subroutine damage_nonlocal_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
|
|
|
|
integer, intent(in) :: &
|
|
ip, & !< integration point number
|
|
el !< element number
|
|
real(pReal), intent(in) :: &
|
|
phi
|
|
real(pReal) :: &
|
|
phiDot, dPhiDot_dPhi
|
|
|
|
phiDot = 0.0_pReal
|
|
dPhiDot_dPhi = 0.0_pReal
|
|
|
|
call constitutive_damage_getRateAndItsTangents(phiDot, dPhiDot_dPhi, phi, ip, el)
|
|
phiDot = phiDot/real(homogenization_Nconstituents(material_homogenizationAt(el)),pReal)
|
|
dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Nconstituents(material_homogenizationAt(el)),pReal)
|
|
|
|
end subroutine damage_nonlocal_getSourceAndItsTangent
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief returns homogenized non local damage diffusion tensor in reference configuration
|
|
!--------------------------------------------------------------------------------------------------
|
|
function damage_nonlocal_getDiffusion(ip,el)
|
|
|
|
integer, intent(in) :: &
|
|
ip, & !< integration point number
|
|
el !< element number
|
|
real(pReal), dimension(3,3) :: &
|
|
damage_nonlocal_getDiffusion
|
|
integer :: &
|
|
homog, &
|
|
grain
|
|
|
|
homog = material_homogenizationAt(el)
|
|
damage_nonlocal_getDiffusion = 0.0_pReal
|
|
do grain = 1, homogenization_Nconstituents(homog)
|
|
damage_nonlocal_getDiffusion = damage_nonlocal_getDiffusion + &
|
|
crystallite_push33ToRef(grain,ip,el,lattice_D(1:3,1:3,material_phaseAt(grain,el)))
|
|
enddo
|
|
|
|
damage_nonlocal_getDiffusion = &
|
|
num%charLength**2*damage_nonlocal_getDiffusion/real(homogenization_Nconstituents(homog),pReal)
|
|
|
|
end function damage_nonlocal_getDiffusion
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief Returns homogenized nonlocal damage mobility
|
|
!--------------------------------------------------------------------------------------------------
|
|
real(pReal) function damage_nonlocal_getMobility(ip,el)
|
|
|
|
integer, intent(in) :: &
|
|
ip, & !< integration point number
|
|
el !< element number
|
|
integer :: &
|
|
ipc
|
|
|
|
damage_nonlocal_getMobility = 0.0_pReal
|
|
|
|
do ipc = 1, homogenization_Nconstituents(material_homogenizationAt(el))
|
|
damage_nonlocal_getMobility = damage_nonlocal_getMobility + lattice_M(material_phaseAt(ipc,el))
|
|
enddo
|
|
|
|
damage_nonlocal_getMobility = damage_nonlocal_getMobility/&
|
|
real(homogenization_Nconstituents(material_homogenizationAt(el)),pReal)
|
|
|
|
end function damage_nonlocal_getMobility
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief updated nonlocal damage field with solution from damage phase field PDE
|
|
!--------------------------------------------------------------------------------------------------
|
|
subroutine damage_nonlocal_putNonLocalDamage(phi,ip,el)
|
|
|
|
integer, intent(in) :: &
|
|
ip, & !< integration point number
|
|
el !< element number
|
|
real(pReal), intent(in) :: &
|
|
phi
|
|
integer :: &
|
|
homog, &
|
|
offset
|
|
|
|
homog = material_homogenizationAt(el)
|
|
offset = material_homogenizationMemberAt(ip,el)
|
|
damage(homog)%p(offset) = phi
|
|
|
|
end subroutine damage_nonlocal_putNonLocalDamage
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief writes results to HDF5 output file
|
|
!--------------------------------------------------------------------------------------------------
|
|
subroutine damage_nonlocal_results(homog,group)
|
|
|
|
integer, intent(in) :: homog
|
|
character(len=*), intent(in) :: group
|
|
|
|
integer :: o
|
|
|
|
associate(prm => param(damage_typeInstance(homog)))
|
|
outputsLoop: do o = 1,size(prm%output)
|
|
select case(prm%output(o))
|
|
case ('phi')
|
|
call results_writeDataset(group,damage(homog)%p,prm%output(o),&
|
|
'damage indicator','-')
|
|
end select
|
|
enddo outputsLoop
|
|
end associate
|
|
|
|
end subroutine damage_nonlocal_results
|
|
|
|
end module damage_nonlocal
|