2015-05-28 22:32:23 +05:30
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!--------------------------------------------------------------------------------------------------
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!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine incorporating anisotropic ductile damage source mechanism
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!> @details to be done
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!--------------------------------------------------------------------------------------------------
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2020-07-09 04:31:08 +05:30
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submodule(constitutive:constitutive_damage) source_damage_anisoDuctile
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2020-02-26 23:07:17 +05:30
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2019-12-21 12:25:42 +05:30
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integer, dimension(:), allocatable :: &
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2019-06-14 01:54:51 +05:30
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source_damage_anisoDuctile_offset, & !< which source is my current damage mechanism?
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source_damage_anisoDuctile_instance !< instance of damage source mechanism
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2020-02-26 23:07:17 +05:30
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2020-08-15 19:32:10 +05:30
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type :: tParameters !< container type for internal constitutive parameters
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real(pReal) :: &
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n !< damage rate sensitivity
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real(pReal), dimension(:), allocatable :: &
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critPlasticStrain !< critical plastic strain per slip system
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character(len=pStringLen), allocatable, dimension(:) :: &
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output
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end type tParameters
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type(tParameters), dimension(:), allocatable :: param !< containers of constitutive parameters (len Ninstance)
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2015-05-28 22:32:23 +05:30
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief module initialization
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!> @details reads in material parameters, allocates arrays, and does sanity checks
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!--------------------------------------------------------------------------------------------------
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2020-08-15 19:32:10 +05:30
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module function source_damage_anisoDuctile_init(source_length) result(mySources)
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integer, intent(in) :: source_length
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logical, dimension(:,:), allocatable :: mySources
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class(tNode), pointer :: &
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phases, &
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phase, &
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pl, &
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sources, &
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src
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integer :: Ninstance,sourceOffset,NipcMyPhase,p
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integer, dimension(:), allocatable :: N_sl
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character(len=pStringLen) :: extmsg = ''
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write(6,'(/,a)') ' <<<+- source_damage_anisoDuctile init -+>>>'
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2020-08-15 19:32:10 +05:30
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mySources = source_active('damage_anisoDuctile',source_length)
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Ninstance = count(mySources)
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write(6,'(a16,1x,i5,/)') '# instances:',Ninstance; flush(6)
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if(Ninstance == 0) return
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2020-09-13 14:09:17 +05:30
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phases => config_material%get('phase')
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allocate(param(Ninstance))
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allocate(source_damage_anisoDuctile_offset (phases%length), source=0)
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allocate(source_damage_anisoDuctile_instance(phases%length), source=0)
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do p = 1, phases%length
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phase => phases%get(p)
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if(any(mySources(:,p))) source_damage_anisoDuctile_instance(p) = count(mySources(:,1:p))
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if(count(mySources(:,p)) == 0) cycle
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sources => phase%get('source')
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pl => phase%get('plasticity')
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do sourceOffset = 1, sources%length
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if(mySources(sourceOffset,p)) then
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source_damage_anisoDuctile_offset(p) = sourceOffset
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associate(prm => param(source_damage_anisoDuctile_instance(p)))
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src => sources%get(sourceOffset)
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2020-03-15 00:33:57 +05:30
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N_sl = pl%get_asInts('N_sl',defaultVal=emptyIntArray)
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prm%n = src%get_asFloat('q')
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prm%critPlasticStrain = src%get_asFloats('gamma_crit',requiredSize=size(N_sl))
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! expand: family => system
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prm%critPlasticStrain = math_expand(prm%critPlasticStrain,N_sl)
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#if defined (__GFORTRAN__)
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prm%output = output_asStrings(src)
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#else
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prm%output = src%get_asStrings('output',defaultVal=emptyStringArray)
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#endif
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! sanity checks
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if (prm%n <= 0.0_pReal) extmsg = trim(extmsg)//' q'
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if (any(prm%critPlasticStrain < 0.0_pReal)) extmsg = trim(extmsg)//' gamma_crit'
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NipcMyPhase=count(material_phaseAt==p) * discretization_nIP
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call constitutive_allocateState(sourceState(p)%p(sourceOffset),NipcMyPhase,1,1,0)
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sourceState(p)%p(sourceOffset)%atol = src%get_asFloat('anisoDuctile_atol',defaultVal=1.0e-3_pReal)
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if(any(sourceState(p)%p(sourceOffset)%atol < 0.0_pReal)) extmsg = trim(extmsg)//' anisoductile_atol'
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2020-08-15 19:32:10 +05:30
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end associate
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!--------------------------------------------------------------------------------------------------
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! exit if any parameter is out of range
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if (extmsg /= '') call IO_error(211,ext_msg=trim(extmsg)//'(damage_anisoDuctile)')
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endif
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enddo
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enddo
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2020-02-26 23:07:17 +05:30
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2020-08-15 19:32:10 +05:30
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end function source_damage_anisoDuctile_init
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2019-06-14 01:54:51 +05:30
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2015-05-28 22:32:23 +05:30
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates derived quantities from state
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!--------------------------------------------------------------------------------------------------
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2020-07-09 04:31:08 +05:30
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module subroutine source_damage_anisoDuctile_dotState(ipc, ip, el)
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2019-06-14 01:54:51 +05:30
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integer, intent(in) :: &
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ipc, & !< component-ID of integration point
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ip, & !< integration point
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el !< element
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integer :: &
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phase, &
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constituent, &
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sourceOffset, &
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damageOffset, &
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homog
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2019-06-14 12:32:28 +05:30
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phase = material_phaseAt(ipc,el)
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2019-06-14 12:39:16 +05:30
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constituent = material_phasememberAt(ipc,ip,el)
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sourceOffset = source_damage_anisoDuctile_offset(phase)
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homog = material_homogenizationAt(el)
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damageOffset = damageMapping(homog)%p(ip,el)
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associate(prm => param(source_damage_anisoDuctile_instance(phase)))
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sourceState(phase)%p(sourceOffset)%dotState(1,constituent) &
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= sum(plasticState(phase)%slipRate(:,constituent)/(damage(homog)%p(damageOffset)**prm%n)/prm%critPlasticStrain)
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end associate
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2015-05-28 22:32:23 +05:30
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end subroutine source_damage_anisoDuctile_dotState
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2019-06-14 01:54:51 +05:30
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2015-05-28 22:32:23 +05:30
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!--------------------------------------------------------------------------------------------------
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!> @brief returns local part of nonlocal damage driving force
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!--------------------------------------------------------------------------------------------------
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2020-07-09 04:31:08 +05:30
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module subroutine source_damage_anisoDuctile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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2019-06-14 01:54:51 +05:30
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integer, intent(in) :: &
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phase, &
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constituent
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real(pReal), intent(in) :: &
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phi
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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integer :: &
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sourceOffset
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2020-02-26 23:07:17 +05:30
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2019-06-14 01:54:51 +05:30
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sourceOffset = source_damage_anisoDuctile_offset(phase)
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2019-06-14 01:54:51 +05:30
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dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent)
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2020-02-29 11:55:36 +05:30
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localphiDot = 1.0_pReal &
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+ dLocalphiDot_dPhi*phi
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2015-05-28 22:32:23 +05:30
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end subroutine source_damage_anisoDuctile_getRateAndItsTangent
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2015-05-28 22:32:23 +05:30
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!--------------------------------------------------------------------------------------------------
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2019-12-10 11:15:00 +05:30
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!> @brief writes results to HDF5 output file
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!--------------------------------------------------------------------------------------------------
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module subroutine source_damage_anisoDuctile_results(phase,group)
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2020-02-28 15:28:11 +05:30
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integer, intent(in) :: phase
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character(len=*), intent(in) :: group
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2020-02-28 15:28:11 +05:30
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integer :: o
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associate(prm => param(source_damage_anisoDuctile_instance(phase)), &
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stt => sourceState(phase)%p(source_damage_anisoDuctile_offset(phase))%state)
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outputsLoop: do o = 1,size(prm%output)
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select case(trim(prm%output(o)))
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case ('f_phi')
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call results_writeDataset(group,stt,trim(prm%output(o)),'driving force','J/m³')
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end select
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enddo outputsLoop
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end associate
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2015-05-28 22:32:23 +05:30
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2019-12-10 11:15:00 +05:30
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end subroutine source_damage_anisoDuctile_results
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2015-05-28 22:32:23 +05:30
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2020-07-09 04:31:08 +05:30
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end submodule source_damage_anisoDuctile
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