DAMASK_EICMD/src/damage_local.f90

246 lines
9.2 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine for locally evolving damage field
!--------------------------------------------------------------------------------------------------
module damage_local
use prec
use material
use numerics
use config
use source_damage_isoBrittle
use source_damage_isoDuctile
use source_damage_anisoBrittle
use source_damage_anisoDuctile
implicit none
private
integer, dimension(:,:), allocatable, target, public :: &
damage_local_sizePostResult
character(len=64), dimension(:,:), allocatable, target, public :: &
damage_local_output
integer, dimension(:), allocatable, target, public :: &
damage_local_Noutput
enum, bind(c)
enumerator :: &
undefined_ID, &
damage_ID
end enum
integer(kind(undefined_ID)), dimension(:,:), allocatable :: &
damage_local_outputID !< ID of each post result output
type :: tParameters
integer(kind(undefined_ID)), dimension(:), allocatable :: &
outputID
end type tParameters
type(tparameters), dimension(:), allocatable :: &
param
public :: &
damage_local_init, &
damage_local_updateState, &
damage_local_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine damage_local_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_local_label//' init -+>>>'
maxNinstance = count(damage_type == DAMAGE_local_ID)
if (maxNinstance == 0) return
allocate(damage_local_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0)
allocate(damage_local_output (maxval(homogenization_Noutput),maxNinstance))
damage_local_output = ''
allocate(damage_local_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID)
allocate(damage_local_Noutput (maxNinstance), source=0)
allocate(param(maxNinstance))
do h = 1, size(damage_type)
if (damage_type(h) /= DAMAGE_LOCAL_ID) cycle
associate(prm => param(damage_typeInstance(h)), &
config => config_homogenization(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_local_output(i,damage_typeInstance(h)) = outputs(i)
damage_local_Noutput(instance) = damage_local_Noutput(instance) + 1
damage_local_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_local_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_local_init
!--------------------------------------------------------------------------------------------------
!> @brief calculates local change in damage field
!--------------------------------------------------------------------------------------------------
function damage_local_updateState(subdt, ip, el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: &
subdt
logical, dimension(2) :: &
damage_local_updateState
integer :: &
homog, &
offset
real(pReal) :: &
phi, phiDot, dPhiDot_dPhi
homog = material_homogenizationAt(el)
offset = mappingHomogenization(1,ip,el)
phi = damageState(homog)%subState0(1,offset)
call damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
phi = max(residualStiffness,min(1.0_pReal,phi + subdt*phiDot))
damage_local_updateState = [ abs(phi - damageState(homog)%state(1,offset)) &
<= err_damage_tolAbs &
.or. abs(phi - damageState(homog)%state(1,offset)) &
<= err_damage_tolRel*abs(damageState(homog)%state(1,offset)), &
.true.]
damageState(homog)%state(1,offset) = phi
end function damage_local_updateState
!--------------------------------------------------------------------------------------------------
!> @brief calculates homogenized local damage driving forces
!--------------------------------------------------------------------------------------------------
subroutine damage_local_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_local_getSourceAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief return array of damage results
!--------------------------------------------------------------------------------------------------
function damage_local_postResults(ip,el)
integer, intent(in) :: &
ip, & !< integration point
el !< element
real(pReal), dimension(sum(damage_local_sizePostResult(:,damage_typeInstance(material_homogenizationAt(el))))) :: &
damage_local_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_local_postResults(c+1) = damage(homog)%p(offset)
c = c + 1
end select
enddo outputsLoop
end associate
end function damage_local_postResults
end module damage_local