179 lines
7.2 KiB
Fortran
179 lines
7.2 KiB
Fortran
!--------------------------------------------------------------------------------------------------
|
|
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
|
|
!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
|
|
!> @brief material subroutine incorporating isotropic ductile damage source mechanism
|
|
!> @details to be done
|
|
!--------------------------------------------------------------------------------------------------
|
|
submodule (constitutive:constitutive_damage) source_damage_isoDuctile
|
|
|
|
integer, dimension(:), allocatable :: &
|
|
source_damage_isoDuctile_offset, & !< which source is my current damage mechanism?
|
|
source_damage_isoDuctile_instance !< instance of damage source mechanism
|
|
|
|
type:: tParameters !< container type for internal constitutive parameters
|
|
real(pReal) :: &
|
|
gamma_crit, & !< critical plastic strain
|
|
q
|
|
character(len=pStringLen), allocatable, dimension(:) :: &
|
|
output
|
|
end type tParameters
|
|
|
|
type(tParameters), dimension(:), allocatable :: param !< containers of constitutive parameters (len Ninstances)
|
|
|
|
|
|
contains
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief module initialization
|
|
!> @details reads in material parameters, allocates arrays, and does sanity checks
|
|
!--------------------------------------------------------------------------------------------------
|
|
module function source_damage_isoDuctile_init(source_length) result(mySources)
|
|
|
|
integer, intent(in) :: source_length
|
|
logical, dimension(:,:), allocatable :: mySources
|
|
|
|
class(tNode), pointer :: &
|
|
phases, &
|
|
phase, &
|
|
sources, &
|
|
src
|
|
integer :: Ninstances,sourceOffset,Nconstituents,p
|
|
character(len=pStringLen) :: extmsg = ''
|
|
|
|
print'(/,a)', ' <<<+- source_damage_isoDuctile init -+>>>'
|
|
|
|
mySources = source_active('damage_isoDuctile',source_length)
|
|
Ninstances = count(mySources)
|
|
print'(a,i2)', ' # instances: ',Ninstances; flush(IO_STDOUT)
|
|
if(Ninstances == 0) return
|
|
|
|
phases => config_material%get('phase')
|
|
allocate(param(Ninstances))
|
|
allocate(source_damage_isoDuctile_offset (phases%length), source=0)
|
|
allocate(source_damage_isoDuctile_instance(phases%length), source=0)
|
|
|
|
do p = 1, phases%length
|
|
phase => phases%get(p)
|
|
if(count(mySources(:,p)) == 0) cycle
|
|
if(any(mySources(:,p))) source_damage_isoDuctile_instance(p) = count(mySources(:,1:p))
|
|
sources => phase%get('source')
|
|
do sourceOffset = 1, sources%length
|
|
if(mySources(sourceOffset,p)) then
|
|
source_damage_isoDuctile_offset(p) = sourceOffset
|
|
associate(prm => param(source_damage_isoDuctile_instance(p)))
|
|
src => sources%get(sourceOffset)
|
|
|
|
prm%q = src%get_asFloat('q')
|
|
prm%gamma_crit = src%get_asFloat('gamma_crit')
|
|
|
|
#if defined (__GFORTRAN__)
|
|
prm%output = output_asStrings(src)
|
|
#else
|
|
prm%output = src%get_asStrings('output',defaultVal=emptyStringArray)
|
|
#endif
|
|
|
|
! sanity checks
|
|
if (prm%q <= 0.0_pReal) extmsg = trim(extmsg)//' q'
|
|
if (prm%gamma_crit <= 0.0_pReal) extmsg = trim(extmsg)//' gamma_crit'
|
|
|
|
Nconstituents=count(material_phaseAt==p) * discretization_nIPs
|
|
call constitutive_allocateState(sourceState(p)%p(sourceOffset),Nconstituents,1,1,0)
|
|
sourceState(p)%p(sourceOffset)%atol = src%get_asFloat('isoDuctile_atol',defaultVal=1.0e-3_pReal)
|
|
if(any(sourceState(p)%p(sourceOffset)%atol < 0.0_pReal)) extmsg = trim(extmsg)//' isoductile_atol'
|
|
|
|
end associate
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
! exit if any parameter is out of range
|
|
if (extmsg /= '') call IO_error(211,ext_msg=trim(extmsg)//'(damage_isoDuctile)')
|
|
endif
|
|
enddo
|
|
enddo
|
|
|
|
|
|
end function source_damage_isoDuctile_init
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief calculates derived quantities from state
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_isoDuctile_dotState(co, ip, el)
|
|
|
|
integer, intent(in) :: &
|
|
co, & !< component-ID of integration point
|
|
ip, & !< integration point
|
|
el !< element
|
|
|
|
integer :: &
|
|
phase, &
|
|
constituent, &
|
|
sourceOffset, &
|
|
damageOffset, &
|
|
homog
|
|
|
|
phase = material_phaseAt(co,el)
|
|
constituent = material_phasememberAt(co,ip,el)
|
|
sourceOffset = source_damage_isoDuctile_offset(phase)
|
|
homog = material_homogenizationAt(el)
|
|
damageOffset = material_homogenizationMemberAt(ip,el)
|
|
|
|
associate(prm => param(source_damage_isoDuctile_instance(phase)))
|
|
sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = &
|
|
sum(plasticState(phase)%slipRate(:,constituent))/(damage(homog)%p(damageOffset)**prm%q)/prm%gamma_crit
|
|
end associate
|
|
|
|
end subroutine source_damage_isoDuctile_dotState
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief returns local part of nonlocal damage driving force
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_isoDuctile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
|
|
|
|
integer, intent(in) :: &
|
|
phase, &
|
|
constituent
|
|
real(pReal), intent(in) :: &
|
|
phi
|
|
real(pReal), intent(out) :: &
|
|
localphiDot, &
|
|
dLocalphiDot_dPhi
|
|
|
|
integer :: &
|
|
sourceOffset
|
|
|
|
sourceOffset = source_damage_isoDuctile_offset(phase)
|
|
|
|
dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent)
|
|
|
|
localphiDot = 1.0_pReal &
|
|
+ dLocalphiDot_dPhi*phi
|
|
|
|
end subroutine source_damage_isoDuctile_getRateAndItsTangent
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief writes results to HDF5 output file
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_isoDuctile_results(phase,group)
|
|
|
|
integer, intent(in) :: phase
|
|
character(len=*), intent(in) :: group
|
|
|
|
integer :: o
|
|
|
|
associate(prm => param(source_damage_isoDuctile_instance(phase)), &
|
|
stt => sourceState(phase)%p(source_damage_isoDuctile_offset(phase))%state)
|
|
outputsLoop: do o = 1,size(prm%output)
|
|
select case(trim(prm%output(o)))
|
|
case ('f_phi')
|
|
call results_writeDataset(group,stt,trim(prm%output(o)),'driving force','J/m³')
|
|
end select
|
|
enddo outputsLoop
|
|
end associate
|
|
|
|
end subroutine source_damage_isoDuctile_results
|
|
|
|
end submodule source_damage_isoDuctile
|