128 lines
4.4 KiB
Fortran
128 lines
4.4 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(phase:damage) isoductile
|
|
|
|
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 isoductile_init() result(mySources)
|
|
|
|
logical, dimension(:), allocatable :: mySources
|
|
|
|
class(tNode), pointer :: &
|
|
phases, &
|
|
phase, &
|
|
sources, &
|
|
src
|
|
integer :: Ninstances,Nmembers,ph
|
|
character(len=pStringLen) :: extmsg = ''
|
|
|
|
|
|
mySources = source_active('isoductile')
|
|
if(count(mySources) == 0) return
|
|
|
|
print'(/,a)', ' <<<+- phase:damage:isoductile init -+>>>'
|
|
print'(a,i0)', ' # phases: ',count(mySources); flush(IO_STDOUT)
|
|
|
|
|
|
phases => config_material%get('phase')
|
|
allocate(param(phases%length))
|
|
|
|
do ph = 1, phases%length
|
|
if(mySources(ph)) then
|
|
phase => phases%get(ph)
|
|
sources => phase%get('damage')
|
|
|
|
associate(prm => param(ph))
|
|
src => sources%get(1)
|
|
|
|
prm%q = src%get_asFloat('q')
|
|
prm%gamma_crit = src%get_asFloat('gamma_crit')
|
|
|
|
#if defined (__GFORTRAN__)
|
|
prm%output = output_as1dString(src)
|
|
#else
|
|
prm%output = src%get_as1dString('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'
|
|
|
|
Nmembers=count(material_phaseID==ph)
|
|
call phase_allocateState(damageState(ph),Nmembers,1,1,0)
|
|
damageState(ph)%atol = src%get_asFloat('isoductile_atol',defaultVal=1.0e-3_pReal)
|
|
if(any(damageState(ph)%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
|
|
|
|
|
|
end function isoductile_init
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief calculates derived quantities from state
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine isoductile_dotState(ph, me)
|
|
|
|
integer, intent(in) :: &
|
|
ph, &
|
|
me
|
|
|
|
|
|
associate(prm => param(ph))
|
|
damageState(ph)%dotState(1,me) = sum(plasticState(ph)%slipRate(:,me)) &
|
|
/ (prm%gamma_crit*damage_phi(ph,me)**prm%q)
|
|
end associate
|
|
|
|
end subroutine isoductile_dotState
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief writes results to HDF5 output file
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine isoductile_results(phase,group)
|
|
|
|
integer, intent(in) :: phase
|
|
character(len=*), intent(in) :: group
|
|
|
|
integer :: o
|
|
|
|
associate(prm => param(phase), stt => damageState(phase)%state)
|
|
outputsLoop: do o = 1,size(prm%output)
|
|
select case(trim(prm%output(o)))
|
|
case ('f_phi')
|
|
call results_writeDataset(stt,group,trim(prm%output(o)),'driving force','J/m³')
|
|
end select
|
|
enddo outputsLoop
|
|
end associate
|
|
|
|
end subroutine isoductile_results
|
|
|
|
end submodule isoductile
|