DAMASK_EICMD/code/source_damage_isoBrittle.f90

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!--------------------------------------------------------------------------------------------------
! $Id$
!--------------------------------------------------------------------------------------------------
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine incoprorating isotropic brittle damage source mechanism
!> @details to be done
!--------------------------------------------------------------------------------------------------
module source_damage_isoBrittle
use prec, only: &
pReal, &
pInt
implicit none
private
integer(pInt), dimension(:), allocatable, public, protected :: &
source_damage_isoBrittle_sizePostResults, & !< cumulative size of post results
source_damage_isoBrittle_offset, & !< which source is my current damage mechanism?
source_damage_isoBrittle_instance !< instance of damage source mechanism
integer(pInt), dimension(:,:), allocatable, target, public :: &
source_damage_isoBrittle_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
source_damage_isoBrittle_output !< name of each post result output
integer(pInt), dimension(:), allocatable, target, public :: &
source_damage_isoBrittle_Noutput !< number of outputs per instance of this damage
real(pReal), dimension(:), allocatable, private :: &
source_damage_isoBrittle_aTol, &
source_damage_isoBrittle_critStrainEnergy
enum, bind(c)
enumerator :: undefined_ID, &
damage_drivingforce_ID
end enum !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11 ToDo
integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: &
source_damage_isoBrittle_outputID !< ID of each post result output
public :: &
source_damage_isoBrittle_init, &
source_damage_isoBrittle_deltaState, &
source_damage_isoBrittle_getRateAndItsTangent, &
source_damage_isoBrittle_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine source_damage_isoBrittle_init(fileUnit)
use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment)
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_isoBrittle_label, &
SOURCE_damage_isoBrittle_ID, &
material_Nphase, &
material_phase, &
sourceState, &
MATERIAL_partPhase
use numerics,only: &
worldrank, &
numerics_integrator
implicit none
integer(pInt), intent(in) :: fileUnit
integer(pInt), parameter :: MAXNCHUNKS = 7_pInt
integer(pInt), dimension(1+2*MAXNCHUNKS) :: positions
integer(pInt) :: maxNinstance,mySize=0_pInt,phase,instance,source,sourceOffset,o
integer(pInt) :: sizeState, sizeDotState, sizeDeltaState
integer(pInt) :: NofMyPhase
character(len=65536) :: &
tag = '', &
line = ''
mainProcess: if (worldrank == 0) then
write(6,'(/,a)') ' <<<+- source_'//SOURCE_damage_isoBrittle_label//' init -+>>>'
write(6,'(a)') ' $Id$'
write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
#include "compilation_info.f90"
endif mainProcess
maxNinstance = int(count(phase_source == SOURCE_damage_isoBrittle_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_isoBrittle_offset(material_Nphase), source=0_pInt)
allocate(source_damage_isoBrittle_instance(material_Nphase), source=0_pInt)
do phase = 1, material_Nphase
source_damage_isoBrittle_instance(phase) = count(phase_source(:,1:phase) == source_damage_isoBrittle_ID)
do source = 1, phase_Nsources(phase)
if (phase_source(source,phase) == source_damage_isoBrittle_ID) &
source_damage_isoBrittle_offset(phase) = source
enddo
enddo
allocate(source_damage_isoBrittle_sizePostResults(maxNinstance), source=0_pInt)
allocate(source_damage_isoBrittle_sizePostResult(maxval(phase_Noutput),maxNinstance),source=0_pInt)
allocate(source_damage_isoBrittle_output(maxval(phase_Noutput),maxNinstance))
source_damage_isoBrittle_output = ''
allocate(source_damage_isoBrittle_outputID(maxval(phase_Noutput),maxNinstance), source=undefined_ID)
allocate(source_damage_isoBrittle_Noutput(maxNinstance), source=0_pInt)
allocate(source_damage_isoBrittle_critStrainEnergy(maxNinstance), source=0.0_pReal)
allocate(source_damage_isoBrittle_aTol(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_isoBrittle_ID)) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran
instance = source_damage_isoBrittle_instance(phase) ! which instance of my damage is present phase
positions = IO_stringPos(line,MAXNCHUNKS)
tag = IO_lc(IO_stringValue(line,positions,1_pInt)) ! extract key
select case(tag)
case ('(output)')
select case(IO_lc(IO_stringValue(line,positions,2_pInt)))
case ('isobrittle_drivingforce')
source_damage_isoBrittle_Noutput(instance) = source_damage_isoBrittle_Noutput(instance) + 1_pInt
source_damage_isoBrittle_outputID(source_damage_isoBrittle_Noutput(instance),instance) = damage_drivingforce_ID
source_damage_isoBrittle_output(source_damage_isoBrittle_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
end select
case ('isobrittle_criticalstrainenergy')
source_damage_isoBrittle_critStrainEnergy(instance) = IO_floatValue(line,positions,2_pInt)
case ('isobrittle_atol')
source_damage_isoBrittle_aTol(instance) = IO_floatValue(line,positions,2_pInt)
end select
endif; endif
enddo parsingFile
!--------------------------------------------------------------------------------------------------
! sanity checks
sanityChecks: do phase = 1_pInt, material_Nphase
myPhase: if (any(phase_source(:,phase) == SOURCE_damage_isoBrittle_ID)) then
instance = source_damage_isoBrittle_instance(phase)
if (source_damage_isoBrittle_aTol(instance) < 0.0_pReal) &
source_damage_isoBrittle_aTol(instance) = 1.0e-3_pReal ! default absolute tolerance 1e-3
if (source_damage_isoBrittle_critStrainEnergy(instance) <= 0.0_pReal) &
call IO_error(211_pInt,el=instance,ext_msg='criticalStrainEnergy ('//SOURCE_damage_isoBrittle_LABEL//')')
endif myPhase
enddo sanityChecks
initializeInstances: do phase = 1_pInt, material_Nphase
if (any(phase_source(:,phase) == SOURCE_damage_isoBrittle_ID)) then
NofMyPhase=count(material_phase==phase)
instance = source_damage_isoBrittle_instance(phase)
sourceOffset = source_damage_isoBrittle_offset(phase)
!--------------------------------------------------------------------------------------------------
! Determine size of postResults array
outputsLoop: do o = 1_pInt,source_damage_isoBrittle_Noutput(instance)
select case(source_damage_isoBrittle_outputID(o,instance))
case(damage_drivingforce_ID)
mySize = 1_pInt
end select
if (mySize > 0_pInt) then ! any meaningful output found
source_damage_isoBrittle_sizePostResult(o,instance) = mySize
source_damage_isoBrittle_sizePostResults(instance) = source_damage_isoBrittle_sizePostResults(instance) + mySize
endif
enddo outputsLoop
! Determine size of state array
sizeDotState = 1_pInt
sizeDeltaState = 1_pInt
sizeState = 1_pInt
sourceState(phase)%p(sourceOffset)%sizeState = sizeState
sourceState(phase)%p(sourceOffset)%sizeDotState = sizeDotState
sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState
sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_isoBrittle_sizePostResults(instance)
allocate(sourceState(phase)%p(sourceOffset)%aTolState (sizeState), &
source=source_damage_isoBrittle_aTol(instance))
allocate(sourceState(phase)%p(sourceOffset)%state0 (sizeState,NofMyPhase), source=.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)%state_backup (sizeState,NofMyPhase), source=0.0_pReal)
allocate(sourceState(phase)%p(sourceOffset)%dotState (sizeDotState,NofMyPhase), source=0.0_pReal)
allocate(sourceState(phase)%p(sourceOffset)%deltaState (sizeDeltaState,NofMyPhase), source=0.0_pReal)
allocate(sourceState(phase)%p(sourceOffset)%dotState_backup (sizeDotState,NofMyPhase), source=0.0_pReal)
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_isoBrittle_init
!--------------------------------------------------------------------------------------------------
!> @brief calculates derived quantities from state
!--------------------------------------------------------------------------------------------------
subroutine source_damage_isoBrittle_deltaState(C, Fe, ipc, ip, el)
use material, only: &
mappingConstitutive, &
sourceState, &
material_homog, &
phase_NstiffnessDegradations, &
phase_stiffnessDegradation, &
porosity, &
porosityMapping, &
STIFFNESS_DEGRADATION_porosity_ID
use math, only : &
math_mul33x33, &
math_mul66x6, &
math_Mandel33to6, &
math_transpose33, &
math_I3
implicit none
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element
real(pReal), intent(in), dimension(3,3) :: &
Fe
integer(pInt) :: &
phase, constituent, instance, sourceOffset, mech
real(pReal) :: &
strain(6), &
C(6,6)
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
instance = source_damage_isoBrittle_instance(phase)
sourceOffset = source_damage_isoBrittle_offset(phase)
do mech = 1_pInt, phase_NstiffnessDegradations(phase)
select case(phase_stiffnessDegradation(mech,phase))
case (STIFFNESS_DEGRADATION_porosity_ID)
C = porosity(material_homog(ip,el))%p(porosityMapping(material_homog(ip,el))%p(ip,el))* &
porosity(material_homog(ip,el))%p(porosityMapping(material_homog(ip,el))%p(ip,el))* &
C
end select
enddo
strain = 0.5_pReal*math_Mandel33to6(math_mul33x33(math_transpose33(Fe),Fe)-math_I3)
sourceState(phase)%p(sourceOffset)%deltaState(1,constituent) = &
2.0_pReal*sum(strain*math_mul66x6(C,strain))/source_damage_isoBrittle_critStrainEnergy(instance) - &
sourceState(phase)%p(sourceOffset)%state(1,constituent)
end subroutine source_damage_isoBrittle_deltaState
!--------------------------------------------------------------------------------------------------
!> @brief returns local part of nonlocal damage driving force
!--------------------------------------------------------------------------------------------------
subroutine source_damage_isoBrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ipc, ip, el)
use material, only: &
mappingConstitutive, &
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
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
sourceOffset = source_damage_isoBrittle_offset(phase)
localphiDot = 1.0_pReal - &
max(1.0_pReal,sourceState(phase)%p(sourceOffset)%state(1,constituent))* &
phi
dLocalphiDot_dPhi = -max(1.0_pReal,sourceState(phase)%p(sourceOffset)%state(1,constituent))
end subroutine source_damage_isoBrittle_getRateAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief return array of local damage results
!--------------------------------------------------------------------------------------------------
function source_damage_isoBrittle_postResults(ipc,ip,el)
use material, only: &
mappingConstitutive, &
sourceState
implicit none
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element
real(pReal), dimension(source_damage_isoBrittle_sizePostResults( &
source_damage_isoBrittle_instance(mappingConstitutive(2,ipc,ip,el)))) :: &
source_damage_isoBrittle_postResults
integer(pInt) :: &
instance, phase, constituent, sourceOffset, o, c
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
instance = source_damage_isoBrittle_instance(phase)
sourceOffset = source_damage_isoBrittle_offset(phase)
c = 0_pInt
source_damage_isoBrittle_postResults = 0.0_pReal
do o = 1_pInt,source_damage_isoBrittle_Noutput(instance)
select case(source_damage_isoBrittle_outputID(o,instance))
case (damage_drivingforce_ID)
source_damage_isoBrittle_postResults(c+1_pInt) = sourceState(phase)%p(sourceOffset)%state(1,constituent)
c = c + 1
end select
enddo
end function source_damage_isoBrittle_postResults
end module source_damage_isoBrittle