!--------------------------------------------------------------------------------------------------
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine for locally evolving damage field
!--------------------------------------------------------------------------------------------------
module damage_local
use prec, only: &
pReal, &
pInt
implicit none
private
integer(pInt), dimension(:), allocatable, public, protected :: &
damage_local_sizePostResults !< cumulative size of post results
integer(pInt), dimension(:,:), allocatable, target, public :: &
damage_local_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
damage_local_output !< name of each post result output
integer(pInt), dimension(:), allocatable, target, public :: &
damage_local_Noutput !< number of outputs per instance of this damage
enum, bind(c)
enumerator :: undefined_ID, &
damage_ID
end enum
integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: &
damage_local_outputID !< ID of each post result output
public :: &
damage_local_init, &
damage_local_updateState, &
damage_local_postResults
private :: &
damage_local_getSourceAndItsTangent
contains
!--------------------------------------------------------------------------------------------------
!> @brief allocates all neccessary fields, reads information from material configuration file
!--------------------------------------------------------------------------------------------------
subroutine damage_local_init(fileUnit)
use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment)
use IO, only: &
IO_read, &
IO_lc, &
IO_getTag, &
IO_isBlank, &
IO_stringPos, &
IO_stringValue, &
IO_floatValue, &
IO_intValue, &
IO_warning, &
IO_error, &
IO_timeStamp, &
IO_EOF
use material, only: &
damage_type, &
damage_typeInstance, &
homogenization_Noutput, &
DAMAGE_local_label, &
DAMAGE_local_ID, &
material_homog, &
mappingHomogenization, &
damageState, &
damageMapping, &
damage, &
damage_initialPhi, &
material_partHomogenization
use numerics,only: &
worldrank
implicit none
integer(pInt), intent(in) :: fileUnit
integer(pInt), allocatable, dimension(:) :: chunkPos
integer(pInt) :: maxNinstance,mySize=0_pInt,homog,instance,o
integer(pInt) :: sizeState
integer(pInt) :: NofMyHomog
character(len=65536) :: &
tag = '', &
line = ''
mainProcess: if (worldrank == 0) then
write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_local_label//' init -+>>>'
write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
#include "compilation_info.f90"
endif mainProcess
maxNinstance = int(count(damage_type == DAMAGE_local_ID),pInt)
if (maxNinstance == 0_pInt) return
allocate(damage_local_sizePostResults(maxNinstance), source=0_pInt)
allocate(damage_local_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0_pInt)
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_pInt)
rewind(fileUnit)
homog = 0_pInt
do while (trim(line) /= IO_EOF .and. IO_lc(IO_getTag(line,'<','>')) /= material_partHomogenization)! wind forward to <homogenization>
line = IO_read(fileUnit)
enddo
parsingFile: do while (trim(line) /= IO_EOF) ! read through sections of homog part
line = IO_read(fileUnit)
if (IO_isBlank(line)) cycle ! skip empty lines
if (IO_getTag(line,'<','>') /= '') then ! stop at next part
line = IO_read(fileUnit, .true.) ! reset IO_read
exit
endif
if (IO_getTag(line,'[',']') /= '') then ! next homog section
homog = homog + 1_pInt ! advance homog section counter
cycle ! skip to next line
endif
if (homog > 0_pInt ) then; if (damage_type(homog) == DAMAGE_local_ID) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran
instance = damage_typeInstance(homog) ! which instance of my damage is present homog
chunkPos = IO_stringPos(line)
tag = IO_lc(IO_stringValue(line,chunkPos,1_pInt)) ! extract key
select case(tag)
case ('(output)')
select case(IO_lc(IO_stringValue(line,chunkPos,2_pInt)))
case ('damage')
damage_local_Noutput(instance) = damage_local_Noutput(instance) + 1_pInt
damage_local_outputID(damage_local_Noutput(instance),instance) = damage_ID
damage_local_output(damage_local_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,chunkPos,2_pInt))
end select
end select
endif; endif
enddo parsingFile
initializeInstances: do homog = 1_pInt, size(damage_type)
myhomog: if (damage_type(homog) == DAMAGE_local_ID) then
NofMyHomog = count(material_homog == homog)
instance = damage_typeInstance(homog)
!--------------------------------------------------------------------------------------------------
! Determine size of postResults array
outputsLoop: do o = 1_pInt,damage_local_Noutput(instance)
select case(damage_local_outputID(o,instance))
case(damage_ID)
mySize = 1_pInt
end select
if (mySize > 0_pInt) then ! any meaningful output found
damage_local_sizePostResult(o,instance) = mySize
damage_local_sizePostResults(instance) = damage_local_sizePostResults(instance) + mySize
endif
enddo outputsLoop
! allocate state arrays
sizeState = 1_pInt
damageState(homog)%sizeState = sizeState
damageState(homog)%sizePostResults = damage_local_sizePostResults(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,:)
endif myhomog
enddo initializeInstances
end subroutine damage_local_init
!--------------------------------------------------------------------------------------------------
!> @brief calculates local change in damage field
!--------------------------------------------------------------------------------------------------
function damage_local_updateState(subdt, ip, el)
use numerics, only: &
residualStiffness, &
err_damage_tolAbs, &
err_damage_tolRel
use material, only: &
mappingHomogenization, &
damageState
implicit none
integer(pInt), intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: &
subdt
logical, dimension(2) :: &
damage_local_updateState
integer(pInt) :: &
homog, &
offset
real(pReal) :: &
phi, phiDot, dPhiDot_dPhi
homog = mappingHomogenization(2,ip,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)
use material, only: &
homogenization_Ngrains, &
mappingHomogenization, &
phaseAt, &
phase_source, &
phase_Nsources, &
SOURCE_damage_isoBrittle_ID, &
SOURCE_damage_isoDuctile_ID, &
SOURCE_damage_anisoBrittle_ID, &
SOURCE_damage_anisoDuctile_ID
use source_damage_isoBrittle, only: &
source_damage_isobrittle_getRateAndItsTangent
use source_damage_isoDuctile, only: &
source_damage_isoductile_getRateAndItsTangent
use source_damage_anisoBrittle, only: &
source_damage_anisobrittle_getRateAndItsTangent
use source_damage_anisoDuctile, only: &
source_damage_anisoductile_getRateAndItsTangent
implicit none
integer(pInt), intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: &
phi
integer(pInt) :: &
phase, &
grain, &
source
real(pReal) :: &
phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi
phiDot = 0.0_pReal
dPhiDot_dPhi = 0.0_pReal
do grain = 1, homogenization_Ngrains(mappingHomogenization(2,ip,el))
phase = phaseAt(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, grain, ip, el)
case (SOURCE_damage_isoDuctile_ID)
call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
case (SOURCE_damage_anisoBrittle_ID)
call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
case (SOURCE_damage_anisoDuctile_ID)
call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
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(mappingHomogenization(2,ip,el)),pReal)
dPhiDot_dPhi = dPhiDot_dPhi/real(homogenization_Ngrains(mappingHomogenization(2,ip,el)),pReal)
end subroutine damage_local_getSourceAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief return array of damage results
!--------------------------------------------------------------------------------------------------
function damage_local_postResults(ip,el)
use material, only: &
mappingHomogenization, &
damage_typeInstance, &
damageMapping, &
damage
implicit none
integer(pInt), intent(in) :: &
ip, & !< integration point
el !< element
real(pReal), dimension(damage_local_sizePostResults(damage_typeInstance(mappingHomogenization(2,ip,el)))) :: &
damage_local_postResults
integer(pInt) :: &
instance, homog, offset, o, c
homog = mappingHomogenization(2,ip,el)
offset = damageMapping(homog)%p(ip,el)
instance = damage_typeInstance(homog)
c = 0_pInt
damage_local_postResults = 0.0_pReal
do o = 1_pInt,damage_local_Noutput(instance)
select case(damage_local_outputID(o,instance))
case (damage_ID)
damage_local_postResults(c+1_pInt) = damage(homog)%p(offset)
c = c + 1
end select
enddo
end function damage_local_postResults
end module damage_local