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!--------------------------------------------------------------------------------------------------
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!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine incorporating anisotropic brittle damage source mechanism
!> @details to be done
!--------------------------------------------------------------------------------------------------
module source_damage_anisoBrittle
use prec , only : &
pReal , &
pInt
implicit none
private
integer ( pInt ) , dimension ( : ) , allocatable , public , protected :: &
source_damage_anisoBrittle_sizePostResults , & !< cumulative size of post results
source_damage_anisoBrittle_offset , & !< which source is my current source mechanism?
source_damage_anisoBrittle_instance !< instance of source mechanism
integer ( pInt ) , dimension ( : , : ) , allocatable , target , public :: &
source_damage_anisoBrittle_sizePostResult !< size of each post result output
character ( len = 64 ) , dimension ( : , : ) , allocatable , target , public :: &
source_damage_anisoBrittle_output !< name of each post result output
integer ( pInt ) , dimension ( : ) , allocatable , target , public :: &
source_damage_anisoBrittle_Noutput !< number of outputs per instance of this source
integer ( pInt ) , dimension ( : ) , allocatable , private :: &
source_damage_anisoBrittle_totalNcleavage !< total number of cleavage systems
integer ( pInt ) , dimension ( : , : ) , allocatable , private :: &
source_damage_anisoBrittle_Ncleavage !< number of cleavage systems per family
real ( pReal ) , dimension ( : ) , allocatable , private :: &
source_damage_anisoBrittle_aTol , &
source_damage_anisoBrittle_sdot_0 , &
source_damage_anisoBrittle_N
real ( pReal ) , dimension ( : , : ) , allocatable , private :: &
source_damage_anisoBrittle_critDisp , &
source_damage_anisoBrittle_critLoad
enum , bind ( c )
enumerator :: undefined_ID , &
damage_drivingforce_ID
end enum
integer ( kind ( undefined_ID ) ) , dimension ( : , : ) , allocatable , private :: &
source_damage_anisoBrittle_outputID !< ID of each post result output
public :: &
source_damage_anisoBrittle_init , &
source_damage_anisoBrittle_dotState , &
source_damage_anisobrittle_getRateAndItsTangent , &
source_damage_anisoBrittle_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine source_damage_anisoBrittle_init ( fileUnit )
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#if defined(__GFORTRAN__) || __INTEL_COMPILER >= 1800
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use , intrinsic :: iso_fortran_env , only : &
compiler_version , &
compiler_options
#endif
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use debug , only : &
debug_level , &
debug_constitutive , &
debug_levelBasic
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 : &
phase_source , &
phase_Nsources , &
phase_Noutput , &
SOURCE_damage_anisoBrittle_label , &
SOURCE_damage_anisoBrittle_ID , &
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material_phase , &
sourceState
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use config , only : &
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material_Nphase , &
MATERIAL_partPhase
use numerics , only : &
numerics_integrator
use lattice , only : &
lattice_maxNcleavageFamily , &
lattice_NcleavageSystem
implicit none
integer ( pInt ) , intent ( in ) :: fileUnit
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integer ( pInt ) , allocatable , dimension ( : ) :: chunkPos
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integer ( pInt ) :: maxNinstance , mySize = 0_pInt , phase , instance , source , sourceOffset , o
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integer ( pInt ) :: sizeState , sizeDotState , sizeDeltaState
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integer ( pInt ) :: NofMyPhase
integer ( pInt ) :: Nchunks_CleavageFamilies = 0_pInt , j
character ( len = 65536 ) :: &
tag = '' , &
line = ''
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write ( 6 , '(/,a)' ) ' <<<+- source_' / / SOURCE_damage_anisoBrittle_LABEL / / ' init -+>>>'
write ( 6 , '(a15,a)' ) ' Current time: ' , IO_timeStamp ( )
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#include "compilation_info.f90"
maxNinstance = int ( count ( phase_source == SOURCE_damage_anisoBrittle_ID ) , pInt )
if ( maxNinstance == 0_pInt ) return
if ( iand ( debug_level ( debug_constitutive ) , debug_levelBasic ) / = 0_pInt ) &
write ( 6 , '(a16,1x,i5,/)' ) '# instances:' , maxNinstance
allocate ( source_damage_anisoBrittle_offset ( material_Nphase ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_instance ( material_Nphase ) , source = 0_pInt )
do phase = 1 , material_Nphase
source_damage_anisoBrittle_instance ( phase ) = count ( phase_source ( : , 1 : phase ) == source_damage_anisoBrittle_ID )
do source = 1 , phase_Nsources ( phase )
if ( phase_source ( source , phase ) == source_damage_anisoBrittle_ID ) &
source_damage_anisoBrittle_offset ( phase ) = source
enddo
enddo
allocate ( source_damage_anisoBrittle_sizePostResults ( maxNinstance ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_sizePostResult ( maxval ( phase_Noutput ) , maxNinstance ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_output ( maxval ( phase_Noutput ) , maxNinstance ) )
source_damage_anisoBrittle_output = ''
allocate ( source_damage_anisoBrittle_outputID ( maxval ( phase_Noutput ) , maxNinstance ) , source = undefined_ID )
allocate ( source_damage_anisoBrittle_Noutput ( maxNinstance ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_critDisp ( lattice_maxNcleavageFamily , maxNinstance ) , source = 0.0_pReal )
allocate ( source_damage_anisoBrittle_critLoad ( lattice_maxNcleavageFamily , maxNinstance ) , source = 0.0_pReal )
allocate ( source_damage_anisoBrittle_Ncleavage ( lattice_maxNcleavageFamily , maxNinstance ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_totalNcleavage ( maxNinstance ) , source = 0_pInt )
allocate ( source_damage_anisoBrittle_aTol ( maxNinstance ) , source = 0.0_pReal )
allocate ( source_damage_anisoBrittle_sdot_0 ( maxNinstance ) , source = 0.0_pReal )
allocate ( source_damage_anisoBrittle_N ( maxNinstance ) , source = 0.0_pReal )
rewind ( fileUnit )
phase = 0_pInt
do while ( trim ( line ) / = IO_EOF . and . IO_lc ( IO_getTag ( line , '<' , '>' ) ) / = MATERIAL_partPhase ) ! wind forward to <phase>
line = IO_read ( fileUnit )
enddo
parsingFile : do while ( trim ( line ) / = IO_EOF ) ! read through sections of phase 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 phase section
phase = phase + 1_pInt ! advance phase section counter
cycle ! skip to next line
endif
if ( phase > 0_pInt ) then ; if ( any ( phase_source ( : , phase ) == SOURCE_damage_anisoBrittle_ID ) ) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran
instance = source_damage_anisoBrittle_instance ( phase ) ! which instance of my damage is present phase
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chunkPos = IO_stringPos ( line )
tag = IO_lc ( IO_stringValue ( line , chunkPos , 1_pInt ) ) ! extract key
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select case ( tag )
case ( '(output)' )
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select case ( IO_lc ( IO_stringValue ( line , chunkPos , 2_pInt ) ) )
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case ( 'anisobrittle_drivingforce' )
source_damage_anisoBrittle_Noutput ( instance ) = source_damage_anisoBrittle_Noutput ( instance ) + 1_pInt
source_damage_anisoBrittle_outputID ( source_damage_anisoBrittle_Noutput ( instance ) , instance ) = damage_drivingforce_ID
source_damage_anisoBrittle_output ( source_damage_anisoBrittle_Noutput ( instance ) , instance ) = &
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IO_lc ( IO_stringValue ( line , chunkPos , 2_pInt ) )
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end select
case ( 'anisobrittle_atol' )
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source_damage_anisoBrittle_aTol ( instance ) = IO_floatValue ( line , chunkPos , 2_pInt )
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case ( 'anisobrittle_sdot0' )
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source_damage_anisoBrittle_sdot_0 ( instance ) = IO_floatValue ( line , chunkPos , 2_pInt )
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case ( 'anisobrittle_ratesensitivity' )
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source_damage_anisoBrittle_N ( instance ) = IO_floatValue ( line , chunkPos , 2_pInt )
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case ( 'ncleavage' ) !
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Nchunks_CleavageFamilies = chunkPos ( 1 ) - 1_pInt
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do j = 1_pInt , Nchunks_CleavageFamilies
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source_damage_anisoBrittle_Ncleavage ( j , instance ) = IO_intValue ( line , chunkPos , 1_pInt + j )
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enddo
case ( 'anisobrittle_criticaldisplacement' )
do j = 1_pInt , Nchunks_CleavageFamilies
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source_damage_anisoBrittle_critDisp ( j , instance ) = IO_floatValue ( line , chunkPos , 1_pInt + j )
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enddo
case ( 'anisobrittle_criticalload' )
do j = 1_pInt , Nchunks_CleavageFamilies
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source_damage_anisoBrittle_critLoad ( j , instance ) = IO_floatValue ( line , chunkPos , 1_pInt + j )
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enddo
end select
endif ; endif
enddo parsingFile
!--------------------------------------------------------------------------------------------------
! sanity checks
sanityChecks : do phase = 1_pInt , material_Nphase
myPhase : if ( any ( phase_source ( : , phase ) == SOURCE_damage_anisoBrittle_ID ) ) then
instance = source_damage_anisoBrittle_instance ( phase )
source_damage_anisoBrittle_Ncleavage ( 1 : lattice_maxNcleavageFamily , instance ) = &
min ( lattice_NcleavageSystem ( 1 : lattice_maxNcleavageFamily , phase ) , & ! limit active cleavage systems per family to min of available and requested
source_damage_anisoBrittle_Ncleavage ( 1 : lattice_maxNcleavageFamily , instance ) )
source_damage_anisoBrittle_totalNcleavage ( instance ) = sum ( source_damage_anisoBrittle_Ncleavage ( : , instance ) ) ! how many cleavage systems altogether
if ( source_damage_anisoBrittle_aTol ( instance ) < 0.0_pReal ) &
source_damage_anisoBrittle_aTol ( instance ) = 1.0e-3_pReal ! default absolute tolerance 1e-3
if ( source_damage_anisoBrittle_sdot_0 ( instance ) < = 0.0_pReal ) &
call IO_error ( 211_pInt , el = instance , ext_msg = 'sdot_0 (' / / SOURCE_damage_anisoBrittle_LABEL / / ')' )
if ( any ( source_damage_anisoBrittle_critDisp ( 1 : Nchunks_CleavageFamilies , instance ) < 0.0_pReal ) ) &
call IO_error ( 211_pInt , el = instance , ext_msg = 'critical_displacement (' / / SOURCE_damage_anisoBrittle_LABEL / / ')' )
if ( any ( source_damage_anisoBrittle_critLoad ( 1 : Nchunks_CleavageFamilies , instance ) < 0.0_pReal ) ) &
call IO_error ( 211_pInt , el = instance , ext_msg = 'critical_load (' / / SOURCE_damage_anisoBrittle_LABEL / / ')' )
if ( source_damage_anisoBrittle_N ( instance ) < = 0.0_pReal ) &
call IO_error ( 211_pInt , el = instance , ext_msg = 'rate_sensitivity (' / / SOURCE_damage_anisoBrittle_LABEL / / ')' )
endif myPhase
enddo sanityChecks
initializeInstances : do phase = 1_pInt , material_Nphase
if ( any ( phase_source ( : , phase ) == SOURCE_damage_anisoBrittle_ID ) ) then
NofMyPhase = count ( material_phase == phase )
instance = source_damage_anisoBrittle_instance ( phase )
sourceOffset = source_damage_anisoBrittle_offset ( phase )
!--------------------------------------------------------------------------------------------------
! Determine size of postResults array
outputsLoop : do o = 1_pInt , source_damage_anisoBrittle_Noutput ( instance )
select case ( source_damage_anisoBrittle_outputID ( o , instance ) )
case ( damage_drivingforce_ID )
mySize = 1_pInt
end select
if ( mySize > 0_pInt ) then ! any meaningful output found
source_damage_anisoBrittle_sizePostResult ( o , instance ) = mySize
source_damage_anisoBrittle_sizePostResults ( instance ) = source_damage_anisoBrittle_sizePostResults ( instance ) + mySize
endif
enddo outputsLoop
!--------------------------------------------------------------------------------------------------
! Determine size of state array
sizeDotState = 1_pInt
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sizeDeltaState = 0_pInt
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sizeState = 1_pInt
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sourceState ( phase ) % p ( sourceOffset ) % sizeState = sizeState
sourceState ( phase ) % p ( sourceOffset ) % sizeDotState = sizeDotState
sourceState ( phase ) % p ( sourceOffset ) % sizeDeltaState = sizeDeltaState
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sourceState ( phase ) % p ( sourceOffset ) % sizePostResults = source_damage_anisoBrittle_sizePostResults ( instance )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % aTolState ( sizeState ) , &
source = source_damage_anisoBrittle_aTol ( instance ) )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % state0 ( sizeState , NofMyPhase ) , source = 0.0_pReal )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % partionedState0 ( sizeState , NofMyPhase ) , source = 0.0_pReal )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % subState0 ( sizeState , NofMyPhase ) , source = 0.0_pReal )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % state ( sizeState , NofMyPhase ) , source = 0.0_pReal )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % dotState ( sizeDotState , NofMyPhase ) , source = 0.0_pReal )
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allocate ( sourceState ( phase ) % p ( sourceOffset ) % deltaState ( sizeDeltaState , NofMyPhase ) , source = 0.0_pReal )
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if ( any ( numerics_integrator == 1_pInt ) ) then
allocate ( sourceState ( phase ) % p ( sourceOffset ) % previousDotState ( sizeDotState , NofMyPhase ) , source = 0.0_pReal )
allocate ( sourceState ( phase ) % p ( sourceOffset ) % previousDotState2 ( sizeDotState , NofMyPhase ) , source = 0.0_pReal )
endif
if ( any ( numerics_integrator == 4_pInt ) ) &
allocate ( sourceState ( phase ) % p ( sourceOffset ) % RK4dotState ( sizeDotState , NofMyPhase ) , source = 0.0_pReal )
if ( any ( numerics_integrator == 5_pInt ) ) &
allocate ( sourceState ( phase ) % p ( sourceOffset ) % RKCK45dotState ( 6 , sizeDotState , NofMyPhase ) , source = 0.0_pReal )
endif
enddo initializeInstances
end subroutine source_damage_anisoBrittle_init
!--------------------------------------------------------------------------------------------------
!> @brief calculates derived quantities from state
!--------------------------------------------------------------------------------------------------
subroutine source_damage_anisoBrittle_dotState ( Tstar_v , ipc , ip , el )
use material , only : &
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phaseAt , phasememberAt , &
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sourceState , &
material_homog , &
damage , &
damageMapping
use lattice , only : &
lattice_Scleavage_v , &
lattice_maxNcleavageFamily , &
lattice_NcleavageSystem
implicit none
integer ( pInt ) , intent ( in ) :: &
ipc , & !< component-ID of integration point
ip , & !< integration point
el !< element
real ( pReal ) , intent ( in ) , dimension ( 6 ) :: &
Tstar_v !< 2nd Piola Kirchhoff stress tensor (Mandel)
integer ( pInt ) :: &
phase , &
constituent , &
instance , &
sourceOffset , &
damageOffset , &
homog , &
f , i , index_myFamily
real ( pReal ) :: &
traction_d , traction_t , traction_n , traction_crit
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phase = phaseAt ( ipc , ip , el )
constituent = phasememberAt ( ipc , ip , el )
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instance = source_damage_anisoBrittle_instance ( phase )
sourceOffset = source_damage_anisoBrittle_offset ( phase )
homog = material_homog ( ip , el )
damageOffset = damageMapping ( homog ) % p ( ip , el )
sourceState ( phase ) % p ( sourceOffset ) % dotState ( 1 , constituent ) = 0.0_pReal
do f = 1_pInt , lattice_maxNcleavageFamily
index_myFamily = sum ( lattice_NcleavageSystem ( 1 : f - 1_pInt , phase ) ) ! at which index starts my family
do i = 1_pInt , source_damage_anisoBrittle_Ncleavage ( f , instance ) ! process each (active) cleavage system in family
traction_d = dot_product ( Tstar_v , lattice_Scleavage_v ( 1 : 6 , 1 , index_myFamily + i , phase ) )
traction_t = dot_product ( Tstar_v , lattice_Scleavage_v ( 1 : 6 , 2 , index_myFamily + i , phase ) )
traction_n = dot_product ( Tstar_v , lattice_Scleavage_v ( 1 : 6 , 3 , index_myFamily + i , phase ) )
traction_crit = source_damage_anisoBrittle_critLoad ( f , instance ) * &
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damage ( homog ) % p ( damageOffset ) * damage ( homog ) % p ( damageOffset )
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sourceState ( phase ) % p ( sourceOffset ) % dotState ( 1 , constituent ) = &
sourceState ( phase ) % p ( sourceOffset ) % dotState ( 1 , constituent ) + &
source_damage_anisoBrittle_sdot_0 ( instance ) * &
( ( max ( 0.0_pReal , abs ( traction_d ) - traction_crit ) / traction_crit ) ** source_damage_anisoBrittle_N ( instance ) + &
( max ( 0.0_pReal , abs ( traction_t ) - traction_crit ) / traction_crit ) ** source_damage_anisoBrittle_N ( instance ) + &
( max ( 0.0_pReal , abs ( traction_n ) - traction_crit ) / traction_crit ) ** source_damage_anisoBrittle_N ( instance ) ) / &
source_damage_anisoBrittle_critDisp ( f , instance )
enddo
enddo
end subroutine source_damage_anisoBrittle_dotState
!--------------------------------------------------------------------------------------------------
!> @brief returns local part of nonlocal damage driving force
!--------------------------------------------------------------------------------------------------
subroutine source_damage_anisobrittle_getRateAndItsTangent ( localphiDot , dLocalphiDot_dPhi , phi , ipc , ip , el )
use material , only : &
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phaseAt , phasememberAt , &
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sourceState
implicit none
integer ( pInt ) , intent ( in ) :: &
ipc , & !< component-ID of integration point
ip , & !< integration point
el !< element
real ( pReal ) , intent ( in ) :: &
phi
real ( pReal ) , intent ( out ) :: &
localphiDot , &
dLocalphiDot_dPhi
integer ( pInt ) :: &
phase , constituent , sourceOffset
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phase = phaseAt ( ipc , ip , el )
constituent = phasememberAt ( ipc , ip , el )
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sourceOffset = source_damage_anisoBrittle_offset ( phase )
localphiDot = 1.0_pReal - &
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sourceState ( phase ) % p ( sourceOffset ) % state ( 1 , constituent ) * phi
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dLocalphiDot_dPhi = - sourceState ( phase ) % p ( sourceOffset ) % state ( 1 , constituent )
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end subroutine source_damage_anisobrittle_getRateAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief return array of local damage results
!--------------------------------------------------------------------------------------------------
function source_damage_anisoBrittle_postResults ( ipc , ip , el )
use material , only : &
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phaseAt , phasememberAt , &
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sourceState
implicit none
integer ( pInt ) , intent ( in ) :: &
ipc , & !< component-ID of integration point
ip , & !< integration point
el !< element
real ( pReal ) , dimension ( source_damage_anisoBrittle_sizePostResults ( &
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source_damage_anisoBrittle_instance ( phaseAt ( ipc , ip , el ) ) ) ) :: &
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source_damage_anisoBrittle_postResults
integer ( pInt ) :: &
instance , phase , constituent , sourceOffset , o , c
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phase = phaseAt ( ipc , ip , el )
constituent = phasememberAt ( ipc , ip , el )
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instance = source_damage_anisoBrittle_instance ( phase )
sourceOffset = source_damage_anisoBrittle_offset ( phase )
c = 0_pInt
source_damage_anisoBrittle_postResults = 0.0_pReal
do o = 1_pInt , source_damage_anisoBrittle_Noutput ( instance )
select case ( source_damage_anisoBrittle_outputID ( o , instance ) )
case ( damage_drivingforce_ID )
source_damage_anisoBrittle_postResults ( c + 1_pInt ) = &
sourceState ( phase ) % p ( sourceOffset ) % state ( 1 , constituent )
c = c + 1_pInt
end select
enddo
end function source_damage_anisoBrittle_postResults
end module source_damage_anisoBrittle