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DAMASK_EICMD/code/damage_phaseField.f90

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added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
2014-11-25 22:53:37 +05:30
!--------------------------------------------------------------------------------------------------
reverted back to rate independent damage evolution. updated example config files to recent changes
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! $Id$
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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!--------------------------------------------------------------------------------------------------
!> @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
!> @details to be done
!--------------------------------------------------------------------------------------------------
module damage_phaseField
use prec, only: &
pReal, &
pInt
implicit none
private
integer(pInt), dimension(:), allocatable, public, protected :: &
damage_phaseField_sizePostResults !< cumulative size of post results
integer(pInt), dimension(:,:), allocatable, target, public :: &
damage_phaseField_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
damage_phaseField_output !< name of each post result output
integer(pInt), dimension(:), allocatable, target, public :: &
damage_phaseField_Noutput !< number of outputs per instance of this damage
real(pReal), dimension(:), allocatable, private :: &
damage_phaseField_aTol, &
damage_phaseField_surfaceEnergy, &
damage_phaseField_vacancyFormationEnergy
enum, bind(c)
enumerator :: undefined_ID, &
local_damage_ID
end enum !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11 ToDo
integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: &
damage_phaseField_outputID !< ID of each post result output
public :: &
damage_phaseField_init, &
damage_phaseField_stateInit, &
damage_phaseField_aTolState, &
damage_phaseField_microstructure, &
damage_phaseField_getDamage, &
damage_phaseField_putLocalDamage, &
damage_phaseField_getLocalDamage, &
damage_phaseField_getDamageDiffusion33, &
damage_phaseField_getDamagedC66, &
damage_phaseField_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine damage_phaseField_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_damage, &
phase_damageInstance, &
phase_Noutput, &
LOCAL_damage_phaseField_label, &
LOCAL_damage_phaseField_ID, &
material_phase, &
damageState, &
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,o
integer(pInt) :: sizeState, sizeDotState
integer(pInt) :: NofMyPhase
character(len=65536) :: &
tag = '', &
line = ''
mainProcess: if (worldrank == 0) then
write(6,'(/,a)') ' <<<+- damage_'//LOCAL_damage_phaseField_label//' init -+>>>'
reverted back to rate independent damage evolution. updated example config files to recent changes
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write(6,'(a)') ' $Id$'
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
#include "compilation_info.f90"
endif mainProcess
maxNinstance = int(count(phase_damage == LOCAL_damage_phaseField_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(damage_phaseField_sizePostResults(maxNinstance), source=0_pInt)
allocate(damage_phaseField_sizePostResult(maxval(phase_Noutput),maxNinstance),source=0_pInt)
allocate(damage_phaseField_output(maxval(phase_Noutput),maxNinstance))
damage_phaseField_output = ''
allocate(damage_phaseField_outputID(maxval(phase_Noutput),maxNinstance), source=undefined_ID)
allocate(damage_phaseField_Noutput(maxNinstance), source=0_pInt)
allocate(damage_phaseField_surfaceEnergy(maxNinstance), source=0.0_pReal)
allocate(damage_phaseField_vacancyFormationEnergy(maxNinstance), source=0.0_pReal)
allocate(damage_phaseField_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 (phase_damage(phase) == LOCAL_damage_phaseField_ID) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran
instance = phase_damageInstance(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 ('local_damage')
damage_phaseField_Noutput(instance) = damage_phaseField_Noutput(instance) + 1_pInt
damage_phaseField_outputID(damage_phaseField_Noutput(instance),instance) = local_damage_ID
damage_phaseField_output(damage_phaseField_Noutput(instance),instance) = &
IO_lc(IO_stringValue(line,positions,2_pInt))
end select
case ('surfaceenergy')
damage_phaseField_surfaceEnergy(instance) = IO_floatValue(line,positions,2_pInt)
case ('vacancyformationenergy')
damage_phaseField_vacancyFormationEnergy(instance) = IO_floatValue(line,positions,2_pInt)
case ('atol_damage')
damage_phaseField_aTol(instance) = IO_floatValue(line,positions,2_pInt)
end select
endif; endif
enddo parsingFile
sanityChecks: do phase = 1_pInt, size(phase_damage)
myPhase: if (phase_damage(phase) == LOCAL_damage_phaseField_ID) then
NofMyPhase=count(material_phase==phase)
instance = phase_damageInstance(phase)
! sanity checks
if (damage_phaseField_aTol(instance) < 0.0_pReal) &
damage_phaseField_aTol(instance) = 1.0e-3_pReal ! default absolute tolerance 1e-3
if (damage_phaseField_surfaceEnergy(instance) <= 0.0_pReal) &
call IO_error(211_pInt,el=instance,ext_msg='surfaceEnergy ('//LOCAL_damage_phaseField_LABEL//')')
endif myPhase
enddo sanityChecks
initializeInstances: do phase = 1_pInt, size(phase_damage)
if (phase_damage(phase) == LOCAL_damage_phaseField_ID) then
NofMyPhase=count(material_phase==phase)
instance = phase_damageInstance(phase)
!--------------------------------------------------------------------------------------------------
! Determine size of postResults array
outputsLoop: do o = 1_pInt,damage_phaseField_Noutput(instance)
select case(damage_phaseField_outputID(o,instance))
case(local_damage_ID)
mySize = 1_pInt
end select
if (mySize > 0_pInt) then ! any meaningful output found
damage_phaseField_sizePostResult(o,instance) = mySize
damage_phaseField_sizePostResults(instance) = damage_phaseField_sizePostResults(instance) + mySize
endif
enddo outputsLoop
! Determine size of state array
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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sizeDotState = 0_pInt
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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sizeState = 2_pInt
damageState(phase)%sizeState = sizeState
damageState(phase)%sizeDotState = sizeDotState
damageState(phase)%sizePostResults = damage_phaseField_sizePostResults(instance)
allocate(damageState(phase)%aTolState (sizeState), source=0.0_pReal)
allocate(damageState(phase)%state0 (sizeState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%partionedState0 (sizeState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%subState0 (sizeState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%state (sizeState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%state_backup (sizeState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%dotState (sizeDotState,NofMyPhase), source=0.0_pReal)
Polishing.
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allocate(damageState(phase)%deltaState (sizeDotState,NofMyPhase), source=0.0_pReal)
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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allocate(damageState(phase)%dotState_backup (sizeDotState,NofMyPhase), source=0.0_pReal)
if (any(numerics_integrator == 1_pInt)) then
allocate(damageState(phase)%previousDotState (sizeDotState,NofMyPhase), source=0.0_pReal)
allocate(damageState(phase)%previousDotState2 (sizeDotState,NofMyPhase), source=0.0_pReal)
endif
if (any(numerics_integrator == 4_pInt)) &
allocate(damageState(phase)%RK4dotState (sizeDotState,NofMyPhase), source=0.0_pReal)
if (any(numerics_integrator == 5_pInt)) &
allocate(damageState(phase)%RKCK45dotState (6,sizeDotState,NofMyPhase),source=0.0_pReal)
call damage_phaseField_stateInit(phase)
call damage_phaseField_aTolState(phase,instance)
endif
enddo initializeInstances
end subroutine damage_phaseField_init
!--------------------------------------------------------------------------------------------------
!> @brief sets the relevant NEW state values for a given instance of this damage
!--------------------------------------------------------------------------------------------------
subroutine damage_phaseField_stateInit(phase)
use material, only: &
damageState
implicit none
integer(pInt), intent(in) :: phase !< number specifying the phase of the damage
real(pReal), dimension(damageState(phase)%sizeState) :: tempState
tempState = 1.0_pReal
damageState(phase)%state = spread(tempState,2,size(damageState(phase)%state(1,:)))
damageState(phase)%state0 = damageState(phase)%state
damageState(phase)%partionedState0 = damageState(phase)%state
end subroutine damage_phaseField_stateInit
!--------------------------------------------------------------------------------------------------
!> @brief sets the relevant state values for a given instance of this damage
!--------------------------------------------------------------------------------------------------
subroutine damage_phaseField_aTolState(phase,instance)
use material, only: &
damageState
implicit none
integer(pInt), intent(in) :: &
phase, &
instance ! number specifying the current instance of the damage
real(pReal), dimension(damageState(phase)%sizeState) :: tempTol
tempTol = damage_phaseField_aTol(instance)
damageState(phase)%aTolState = tempTol
end subroutine damage_phaseField_aTolState
!--------------------------------------------------------------------------------------------------
!> @brief calculates derived quantities from state
!--------------------------------------------------------------------------------------------------
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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subroutine damage_phaseField_microstructure(C, Fe, Cv, subdt, ipc, ip, el)
bounding the analytically integrated damage variable
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use numerics, only: &
residualStiffness
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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use material, only: &
mappingConstitutive, &
phase_damageInstance, &
damageState
use math, only : &
math_mul33x33, &
math_mul66x6, &
math_Mandel33to6, &
math_transpose33, &
math_I3
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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use lattice, only: &
lattice_DamageMobility
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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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
real(pReal), intent(in), dimension(6,6) :: &
C
real(pReal), intent(in) :: &
Cv
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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real(pReal), intent(in) :: &
subdt
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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integer(pInt) :: &
phase, constituent, instance
real(pReal) :: &
strain(6), &
stress(6)
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
instance = phase_damageInstance(phase)
strain = 0.5_pReal*math_Mandel33to6(math_mul33x33(math_transpose33(Fe),Fe)-math_I3)
stress = math_mul66x6(C,strain)
damageState(phase)%state(2,constituent) = &
bounding the analytically integrated damage variable
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max(residualStiffness, &
min(damageState(phase)%state0(2,constituent), &
(1.0_pReal - Cv)*damage_phaseField_surfaceEnergy(instance)/ &
(2.0_pReal*(sum(abs(stress*strain)) + Cv*damage_phaseField_vacancyFormationEnergy(instance)))))
recast power law and viscous dot state variables as derived quantities using analytical solutions of the evolution equation
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damageState(phase)%state(1,constituent) = &
bounding the analytically integrated damage variable
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damageState(phase)%state(2,constituent) + &
(damageState(phase)%subState0(1,constituent) - damageState(phase)%state(2,constituent))* &
exp(-subdt/(damageState(phase)%state(2,constituent)*lattice_DamageMobility(phase)))
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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end subroutine damage_phaseField_microstructure
!--------------------------------------------------------------------------------------------------
!> @brief returns damage
!--------------------------------------------------------------------------------------------------
function damage_phaseField_getDamage(ipc, ip, el)
use material, only: &
material_homog, &
mappingHomogenization, &
all damage models consistently semi-explicit
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mappingConstitutive, &
damageState, &
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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fieldDamage, &
field_damage_type, &
FIELD_DAMAGE_LOCAL_ID, &
FIELD_DAMAGE_NONLOCAL_ID
implicit none
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
real(pReal) :: damage_phaseField_getDamage
select case(field_damage_type(material_homog(ip,el)))
case (FIELD_DAMAGE_LOCAL_ID)
all damage models consistently semi-explicit
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damage_phaseField_getDamage = damageState(mappingConstitutive(2,ipc,ip,el))% &
state0(1,mappingConstitutive(1,ipc,ip,el))
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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case (FIELD_DAMAGE_NONLOCAL_ID)
damage_phaseField_getDamage = fieldDamage(material_homog(ip,el))% &
field(1,mappingHomogenization(1,ip,el)) ! Taylor type
end select
end function damage_phaseField_getDamage
!--------------------------------------------------------------------------------------------------
!> @brief returns temperature based on local damage model state layout
!--------------------------------------------------------------------------------------------------
subroutine damage_phaseField_putLocalDamage(ipc, ip, el, localDamage)
use material, only: &
mappingConstitutive, &
damageState
implicit none
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: localDamage
damageState(mappingConstitutive(2,ipc,ip,el))%state(1,mappingConstitutive(1,ipc,ip,el)) = &
localDamage
end subroutine damage_phaseField_putLocalDamage
!--------------------------------------------------------------------------------------------------
!> @brief returns local damage
!--------------------------------------------------------------------------------------------------
function damage_phaseField_getLocalDamage(ipc, ip, el)
use material, only: &
mappingConstitutive, &
damageState
implicit none
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
real(pReal) :: damage_phaseField_getLocalDamage
damage_phaseField_getLocalDamage = &
damageState(mappingConstitutive(2,ipc,ip,el))%state(1,mappingConstitutive(1,ipc,ip,el))
end function damage_phaseField_getLocalDamage
!--------------------------------------------------------------------------------------------------
!> @brief returns brittle damage diffusion tensor
!--------------------------------------------------------------------------------------------------
function damage_phaseField_getDamageDiffusion33(ipc, ip, el)
use lattice, only: &
lattice_DamageDiffusion33
use material, only: &
mappingConstitutive, &
damageState
implicit none
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
real(pReal), dimension(3,3) :: &
damage_phaseField_getDamageDiffusion33
integer(pInt) :: &
phase, constituent
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
damage_phaseField_getDamageDiffusion33 = &
lattice_DamageDiffusion33(1:3,1:3,phase)
end function damage_phaseField_getDamageDiffusion33
!--------------------------------------------------------------------------------------------------
!> @brief returns brittle damaged stiffness tensor
!--------------------------------------------------------------------------------------------------
function damage_phaseField_getDamagedC66(C, ipc, ip, el)
use material, only: &
reverted back to rate independent damage evolution. updated example config files to recent changes
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mappingConstitutive
added brittle(elastic energy release rate)/ductile(vacancy condensation) phase field damage model coupled to vacancy concentration simplified vacancy_generation
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implicit none
integer(pInt), intent(in) :: &
ipc, & !< grain number
ip, & !< integration point number
el !< element number
real(pReal), intent(in), dimension(6,6) :: &
C
real(pReal), dimension(6,6) :: &
damage_phaseField_getDamagedC66
integer(pInt) :: &
phase, constituent
real(pReal) :: &
damage
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
damage = damage_phaseField_getDamage(ipc, ip, el)
damage_phaseField_getDamagedC66 = &
damage*damage*C
end function damage_phaseField_getDamagedC66
!--------------------------------------------------------------------------------------------------
!> @brief return array of constitutive results
!--------------------------------------------------------------------------------------------------
function damage_phaseField_postResults(ipc,ip,el)
use material, only: &
mappingConstitutive, &
phase_damageInstance,&
damageState
implicit none
integer(pInt), intent(in) :: &
ipc, & !< component-ID of integration point
ip, & !< integration point
el !< element
real(pReal), dimension(damage_phaseField_sizePostResults(phase_damageInstance(mappingConstitutive(2,ipc,ip,el)))) :: &
damage_phaseField_postResults
integer(pInt) :: &
instance, phase, constituent, o, c
phase = mappingConstitutive(2,ipc,ip,el)
constituent = mappingConstitutive(1,ipc,ip,el)
instance = phase_damageInstance(phase)
c = 0_pInt
damage_phaseField_postResults = 0.0_pReal
do o = 1_pInt,damage_phaseField_Noutput(instance)
select case(damage_phaseField_outputID(o,instance))
case (local_damage_ID)
damage_phaseField_postResults(c+1_pInt) = damageState(phase)%state(2,constituent)
c = c + 1
end select
enddo
end function damage_phaseField_postResults
end module damage_phaseField