DAMASK_EICMD/src/damage_nonlocal.f90

222 lines
8.3 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 numerics
use crystallite
use lattice
use source_damage_isoBrittle
use source_damage_isoDuctile
use source_damage_anisoBrittle
use source_damage_anisoDuctile
use results
implicit none
private
type :: tParameters
character(len=pStringLen), allocatable, dimension(:) :: &
output
end type tParameters
type(tparameters), dimension(:), allocatable :: &
param
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 :: Ninstance,NofMyHomog,h
write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_nonlocal_label//' init -+>>>'; flush(6)
Ninstance = count(damage_type == DAMAGE_nonlocal_ID)
allocate(param(Ninstance))
do h = 1, size(config_homogenization)
if (damage_type(h) /= DAMAGE_NONLOCAL_ID) cycle
associate(prm => param(damage_typeInstance(h)),config => config_homogenization(h))
prm%output = config%getStrings('(output)',defaultVal=emptyStringArray)
NofMyHomog = count(material_homogenizationAt == h)
damageState(h)%sizeState = 1
allocate(damageState(h)%state0 (1,NofMyHomog), source=damage_initialPhi(h))
allocate(damageState(h)%subState0(1,NofMyHomog), source=damage_initialPhi(h))
allocate(damageState(h)%state (1,NofMyHomog), source=damage_initialPhi(h))
nullify(damageMapping(h)%p)
damageMapping(h)%p => material_homogenizationMemberAt
deallocate(damage(h)%p)
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
integer :: &
phase, &
grain, &
source, &
constituent
real(pReal) :: &
phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi
phiDot = 0.0_pReal
dPhiDot_dPhi = 0.0_pReal
do grain = 1, homogenization_Ngrains(material_homogenizationAt(el))
phase = material_phaseAt(grain,el)
constituent = material_phasememberAt(grain,ip,el)
do source = 1, phase_Nsources(phase)
select case(phase_source(source,phase))
case (SOURCE_damage_isoBrittle_ID)
call source_damage_isobrittle_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
case (SOURCE_damage_isoDuctile_ID)
call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
case (SOURCE_damage_anisoBrittle_ID)
call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
case (SOURCE_damage_anisoDuctile_ID)
call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
case default
localphiDot = 0.0_pReal
dLocalphiDot_dPhi = 0.0_pReal
end select
phiDot = phiDot + localphiDot
dPhiDot_dPhi = dPhiDot_dPhi + dLocalphiDot_dPhi
enddo
enddo
phiDot = phiDot/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Ngrains(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_Ngrains(homog)
damage_nonlocal_getDiffusion = damage_nonlocal_getDiffusion + &
crystallite_push33ToRef(grain,ip,el,lattice_DamageDiffusion(1:3,1:3,material_phaseAt(grain,el)))
enddo
damage_nonlocal_getDiffusion = &
charLength**2*damage_nonlocal_getDiffusion/real(homogenization_Ngrains(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_Ngrains(material_homogenizationAt(el))
damage_nonlocal_getMobility = damage_nonlocal_getMobility + lattice_DamageMobility(material_phaseAt(ipc,el))
enddo
damage_nonlocal_getMobility = damage_nonlocal_getMobility/&
real(homogenization_Ngrains(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 = damageMapping(homog)%p(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 ('damage')
call results_writeDataset(group,damage(homog)%p,'phi',&
'damage indicator','-')
end select
enddo outputsLoop
end associate
end subroutine damage_nonlocal_results
end module damage_nonlocal