DAMASK_EICMD/src/phase_damage_isobrittle.f90

140 lines
4.8 KiB
Fortran
Raw Normal View History

!--------------------------------------------------------------------------------------------------
!> @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
!--------------------------------------------------------------------------------------------------
submodule(phase:damage) isobrittle
2020-08-15 19:32:10 +05:30
type :: tParameters !< container type for internal constitutive parameters
2019-06-11 19:06:04 +05:30
real(pReal) :: &
2020-09-07 15:18:26 +05:30
W_crit !< critical elastic strain energy
character(len=pStringLen), allocatable, dimension(:) :: &
output
2019-06-11 19:06:04 +05:30
end type tParameters
type(tParameters), dimension(:), allocatable :: param !< containers of constitutive parameters (len Ninstances)
2019-06-11 19:06:04 +05:30
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
2021-02-13 17:14:47 +05:30
module function isobrittle_init() result(mySources)
2021-02-13 17:14:47 +05:30
logical, dimension(:), allocatable :: mySources
2020-08-15 19:32:10 +05:30
class(tNode), pointer :: &
phases, &
phase, &
sources, &
src
2021-04-06 15:08:44 +05:30
integer :: Nmembers,ph
2020-02-29 14:50:38 +05:30
character(len=pStringLen) :: extmsg = ''
2020-02-26 23:07:17 +05:30
2021-02-13 17:14:47 +05:30
mySources = source_active('isobrittle')
2021-02-13 17:37:35 +05:30
if(count(mySources) == 0) return
print'(/,a)', ' <<<+- phase:damage:isobrittle init -+>>>'
print'(a,i0)', ' # phases: ',count(mySources); flush(IO_STDOUT)
2020-02-26 23:07:17 +05:30
phases => config_material%get('phase')
2021-02-13 14:41:39 +05:30
allocate(param(phases%length))
2020-08-15 19:32:10 +05:30
2021-04-06 15:08:44 +05:30
do ph = 1, phases%length
if(mySources(ph)) then
phase => phases%get(ph)
sources => phase%get('damage')
2021-02-13 17:14:47 +05:30
2021-04-06 15:08:44 +05:30
associate(prm => param(ph))
2021-02-13 17:14:47 +05:30
src => sources%get(1)
2020-02-26 23:07:17 +05:30
2020-09-07 15:18:26 +05:30
prm%W_crit = src%get_asFloat('W_crit')
2020-02-26 23:07:17 +05:30
2020-08-15 19:32:10 +05:30
#if defined (__GFORTRAN__)
2021-03-11 22:30:07 +05:30
prm%output = output_as1dString(src)
2020-08-15 19:32:10 +05:30
#else
2021-03-11 22:30:07 +05:30
prm%output = src%get_as1dString('output',defaultVal=emptyStringArray)
2020-08-15 19:32:10 +05:30
#endif
2021-01-19 14:51:51 +05:30
2020-08-15 19:32:10 +05:30
! sanity checks
2020-09-07 15:18:26 +05:30
if (prm%W_crit <= 0.0_pReal) extmsg = trim(extmsg)//' W_crit'
2020-03-15 00:33:57 +05:30
2021-04-06 15:08:44 +05:30
Nmembers = count(material_phaseID==ph)
call phase_allocateState(damageState(ph),Nmembers,1,1,1)
damageState(ph)%atol = src%get_asFloat('isoBrittle_atol',defaultVal=1.0e-3_pReal)
if(any(damageState(ph)%atol < 0.0_pReal)) extmsg = trim(extmsg)//' isobrittle_atol'
2020-02-26 23:07:17 +05:30
2020-08-15 19:32:10 +05:30
end associate
2020-03-15 00:33:57 +05:30
!--------------------------------------------------------------------------------------------------
! exit if any parameter is out of range
2020-08-15 19:32:10 +05:30
if (extmsg /= '') call IO_error(211,ext_msg=trim(extmsg)//'(damage_isoBrittle)')
endif
2021-02-13 17:14:47 +05:30
2020-08-15 19:32:10 +05:30
enddo
2020-03-15 00:33:57 +05:30
2020-02-26 23:07:17 +05:30
2021-01-26 04:08:32 +05:30
end function isobrittle_init
2020-02-29 11:55:36 +05:30
!--------------------------------------------------------------------------------------------------
!> @brief calculates derived quantities from state
!--------------------------------------------------------------------------------------------------
2021-02-13 15:31:08 +05:30
module subroutine isobrittle_deltaState(C, Fe, ph,me)
2021-01-19 14:55:52 +05:30
integer, intent(in) :: ph,me
2019-06-11 19:06:04 +05:30
real(pReal), intent(in), dimension(3,3) :: &
Fe
real(pReal), intent(in), dimension(6,6) :: &
C
2020-02-29 11:55:36 +05:30
real(pReal), dimension(6) :: &
strain
2019-06-11 19:06:04 +05:30
real(pReal) :: &
strainenergy
2019-06-11 19:06:04 +05:30
strain = 0.5_pReal*math_sym33to6(matmul(transpose(Fe),Fe)-math_I3)
2021-02-13 14:41:39 +05:30
associate(prm => param(ph))
strainenergy = 2.0_pReal*sum(strain*matmul(C,strain))/prm%W_crit
! ToDo: check strainenergy = 2.0_pReal*dot_product(strain,matmul(C,strain))/prm%W_crit
2020-02-26 23:07:17 +05:30
2021-02-13 15:31:08 +05:30
damageState(ph)%deltaState(1,me) = merge(strainenergy - damageState(ph)%state(1,me), &
damageState(ph)%subState0(1,me) - damageState(ph)%state(1,me), &
strainenergy > damageState(ph)%subState0(1,me))
2020-02-29 11:55:36 +05:30
end associate
2020-02-26 23:07:17 +05:30
2021-02-13 15:31:08 +05:30
end subroutine isobrittle_deltaState
2020-02-26 23:07:17 +05:30
2020-02-29 11:55:36 +05:30
!--------------------------------------------------------------------------------------------------
!> @brief writes results to HDF5 output file
!--------------------------------------------------------------------------------------------------
2021-01-26 04:08:32 +05:30
module subroutine isobrittle_results(phase,group)
integer, intent(in) :: phase
2020-02-26 23:07:17 +05:30
character(len=*), intent(in) :: group
integer :: o
2021-02-13 14:41:39 +05:30
associate(prm => param(phase), &
stt => damageState(phase)%state)
2021-02-13 14:41:39 +05:30
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
2021-01-26 04:08:32 +05:30
end subroutine isobrittle_results
end submodule isobrittle