DAMASK_EICMD/src/damage_nonlocal.f90

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!--------------------------------------------------------------------------------------------------
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine for non-locally evolving damage field
!> @details to be done
!--------------------------------------------------------------------------------------------------
module damage_nonlocal
use prec
use material
use numerics
use config
use crystallite
use lattice
use source_damage_isoBrittle
use source_damage_isoDuctile
use source_damage_anisoBrittle
use source_damage_anisoDuctile
implicit none
private
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integer, dimension(:,:), allocatable, target, public :: &
damage_nonlocal_sizePostResult
character(len=64), dimension(:,:), allocatable, target, public :: &
damage_nonlocal_output
integer, dimension(:), allocatable, target, public :: &
damage_nonlocal_Noutput
enum, bind(c)
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enumerator :: &
undefined_ID, &
damage_ID
end enum
type :: tParameters
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integer(kind(undefined_ID)), dimension(:), allocatable :: &
outputID
end type tParameters
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type(tparameters), dimension(:), allocatable :: &
param
public :: &
damage_nonlocal_init, &
damage_nonlocal_getSourceAndItsTangent, &
damage_nonlocal_getDiffusion33, &
damage_nonlocal_getMobility, &
damage_nonlocal_putNonLocalDamage, &
damage_nonlocal_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine damage_nonlocal_init
integer :: maxNinstance,homog,instance,i
integer :: sizeState
integer :: NofMyHomog, h
integer(kind(undefined_ID)) :: &
outputID
character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::]
character(len=65536), dimension(:), allocatable :: &
outputs
write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_nonlocal_label//' init -+>>>'
maxNinstance = count(damage_type == DAMAGE_nonlocal_ID)
if (maxNinstance == 0) return
allocate(damage_nonlocal_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0)
allocate(damage_nonlocal_output (maxval(homogenization_Noutput),maxNinstance))
damage_nonlocal_output = ''
allocate(damage_nonlocal_Noutput (maxNinstance), source=0)
allocate(param(maxNinstance))
do h = 1, size(damage_type)
if (damage_type(h) /= DAMAGE_NONLOCAL_ID) cycle
associate(prm => param(damage_typeInstance(h)), &
config => config_homogenization(h))
instance = damage_typeInstance(h)
outputs = config%getStrings('(output)',defaultVal=emptyStringArray)
allocate(prm%outputID(0))
do i=1, size(outputs)
outputID = undefined_ID
select case(outputs(i))
case ('damage')
damage_nonlocal_output(i,damage_typeInstance(h)) = outputs(i)
damage_nonlocal_Noutput(instance) = damage_nonlocal_Noutput(instance) + 1
damage_nonlocal_sizePostResult(i,damage_typeInstance(h)) = 1
prm%outputID = [prm%outputID , damage_ID]
end select
enddo
homog = h
NofMyHomog = count(material_homogenizationAt == homog)
instance = damage_typeInstance(homog)
! allocate state arrays
sizeState = 1
damageState(homog)%sizeState = sizeState
damageState(homog)%sizePostResults = sum(damage_nonlocal_sizePostResult(:,instance))
allocate(damageState(homog)%state0 (sizeState,NofMyHomog), source=damage_initialPhi(homog))
allocate(damageState(homog)%subState0(sizeState,NofMyHomog), source=damage_initialPhi(homog))
allocate(damageState(homog)%state (sizeState,NofMyHomog), source=damage_initialPhi(homog))
nullify(damageMapping(homog)%p)
damageMapping(homog)%p => mappingHomogenization(1,:,:)
deallocate(damage(homog)%p)
damage(homog)%p => damageState(homog)%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
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!--------------------------------------------------------------------------------------------------
!> @brief returns homogenized non local damage diffusion tensor in reference configuration
!--------------------------------------------------------------------------------------------------
function damage_nonlocal_getDiffusion33(ip,el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), dimension(3,3) :: &
damage_nonlocal_getDiffusion33
integer :: &
homog, &
grain
homog = material_homogenizationAt(el)
damage_nonlocal_getDiffusion33 = 0.0_pReal
do grain = 1, homogenization_Ngrains(homog)
damage_nonlocal_getDiffusion33 = damage_nonlocal_getDiffusion33 + &
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crystallite_push33ToRef(grain,ip,el,lattice_DamageDiffusion33(1:3,1:3,material_phaseAt(grain,el)))
enddo
damage_nonlocal_getDiffusion33 = &
charLength**2*damage_nonlocal_getDiffusion33/real(homogenization_Ngrains(homog),pReal)
end function damage_nonlocal_getDiffusion33
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!--------------------------------------------------------------------------------------------------
!> @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
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do ipc = 1, homogenization_Ngrains(material_homogenizationAt(el))
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damage_nonlocal_getMobility = damage_nonlocal_getMobility + lattice_DamageMobility(material_phaseAt(ipc,el))
enddo
damage_nonlocal_getMobility = damage_nonlocal_getMobility/&
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real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
end function damage_nonlocal_getMobility
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!--------------------------------------------------------------------------------------------------
!> @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
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!--------------------------------------------------------------------------------------------------
!> @brief return array of damage results
!--------------------------------------------------------------------------------------------------
function damage_nonlocal_postResults(ip,el)
integer, intent(in) :: &
ip, & !< integration point
el !< element
real(pReal), dimension(sum(damage_nonlocal_sizePostResult(:,damage_typeInstance(material_homogenizationAt(el))))) :: &
damage_nonlocal_postResults
integer :: &
instance, homog, offset, o, c
homog = material_homogenizationAt(el)
offset = damageMapping(homog)%p(ip,el)
instance = damage_typeInstance(homog)
associate(prm => param(instance))
c = 0
outputsLoop: do o = 1,size(prm%outputID)
select case(prm%outputID(o))
case (damage_ID)
damage_nonlocal_postResults(c+1) = damage(homog)%p(offset)
c = c + 1
end select
enddo outputsLoop
end associate
end function damage_nonlocal_postResults
end module damage_nonlocal