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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module source_damage_anisoDuctile
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2019-06-14 01:54:51 +05:30
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use prec
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use debug
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use IO
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use math
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use discretization
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use material
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use config
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use results
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2019-06-14 01:54:51 +05:30
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implicit none
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private
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2019-12-21 12:25:42 +05:30
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integer, dimension(:), allocatable :: &
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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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type, private :: tParameters !< container type for internal constitutive parameters
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real(pReal) :: &
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aTol, &
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N
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real(pReal), dimension(:), allocatable :: &
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critPlasticStrain
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integer :: &
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totalNslip
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integer, dimension(:), allocatable :: &
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Nslip
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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, private :: param !< containers of constitutive parameters (len Ninstance)
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public :: &
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source_damage_anisoDuctile_init, &
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source_damage_anisoDuctile_dotState, &
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source_damage_anisoDuctile_getRateAndItsTangent, &
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source_damage_anisoDuctile_results
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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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2019-02-13 14:27:12 +05:30
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subroutine source_damage_anisoDuctile_init
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integer :: Ninstance,sourceOffset,NofMyPhase,p
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character(len=pStringLen) :: extmsg = ''
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write(6,'(/,a)') ' <<<+- source_'//SOURCE_DAMAGE_ANISODUCTILE_LABEL//' init -+>>>'; flush(6)
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Ninstance = count(phase_source == SOURCE_DAMAGE_ANISODUCTILE_ID)
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2019-06-14 01:54:51 +05:30
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if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0) &
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write(6,'(a16,1x,i5,/)') '# instances:',Ninstance
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allocate(source_damage_anisoDuctile_offset (size(config_phase)), source=0)
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2019-06-14 01:54:51 +05:30
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allocate(source_damage_anisoDuctile_instance(size(config_phase)), source=0)
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allocate(param(Ninstance))
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do p = 1, size(config_phase)
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source_damage_anisoDuctile_instance(p) = count(phase_source(:,1:p) == SOURCE_DAMAGE_ANISODUCTILE_ID)
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do sourceOffset = 1, phase_Nsources(p)
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if (phase_source(sourceOffset,p) == SOURCE_DAMAGE_ANISODUCTILE_ID) then
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source_damage_anisoDuctile_offset(p) = sourceOffset
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exit
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endif
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enddo
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if (all(phase_source(:,p) /= SOURCE_DAMAGE_ANISODUCTILE_ID)) cycle
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associate(prm => param(source_damage_anisoDuctile_instance(p)), &
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config => config_phase(p))
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prm%Nslip = config%getInts('nslip',defaultVal=emptyIntArray)
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prm%totalNslip = sum(prm%Nslip)
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prm%aTol = config%getFloat('anisoductile_atol',defaultVal = 1.0e-3_pReal)
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prm%N = config%getFloat('anisoductile_ratesensitivity')
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prm%critPlasticStrain = config%getFloats('anisoductile_criticalplasticstrain',requiredSize=size(prm%Nslip))
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! expand: family => system
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prm%critPlasticStrain = math_expand(prm%critPlasticStrain, prm%Nslip)
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! sanity checks
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if (prm%aTol < 0.0_pReal) extmsg = trim(extmsg)//' anisoductile_atol'
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if (prm%N <= 0.0_pReal) extmsg = trim(extmsg)//' anisoductile_ratesensitivity'
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if (any(prm%critPlasticStrain < 0.0_pReal)) extmsg = trim(extmsg)//' anisoductile_criticalplasticstrain'
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2019-02-13 12:36:22 +05:30
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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)//'('//SOURCE_DAMAGE_ANISODUCTILE_LABEL//')')
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!--------------------------------------------------------------------------------------------------
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! output pararameters
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prm%output = config%getStrings('(output)',defaultVal=emptyStringArray)
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NofMyPhase=count(material_phaseAt==p) * discretization_nIP
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call material_allocateSourceState(p,sourceOffset,NofMyPhase,1,1,0)
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sourceState(p)%p(sourceOffset)%aTolState=prm%aTol
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end associate
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enddo
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2015-05-28 22:32:23 +05:30
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end subroutine source_damage_anisoDuctile_init
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates derived quantities from state
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!--------------------------------------------------------------------------------------------------
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subroutine source_damage_anisoDuctile_dotState(ipc, ip, el)
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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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i
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phase = material_phaseAt(ipc,el)
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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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do i = 1, prm%totalNslip
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sourceState(phase)%p(sourceOffset)%dotState(1,constituent) &
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= sourceState(phase)%p(sourceOffset)%dotState(1,constituent) &
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+ plasticState(phase)%slipRate(i,constituent)/(damage(homog)%p(damageOffset)**prm%N)/prm%critPlasticStrain(i)
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enddo
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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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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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2018-12-31 01:38:48 +05:30
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subroutine source_damage_anisoDuctile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
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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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sourceOffset = source_damage_anisoDuctile_offset(phase)
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dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent)
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localphiDot = 1.0_pReal &
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+ dLocalphiDot_dPhi*phi
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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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!> @brief writes results to HDF5 output file
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!--------------------------------------------------------------------------------------------------
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subroutine source_damage_anisoDuctile_results(phase,group)
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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 ('anisoductile_drivingforce')
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call results_writeDataset(group,stt,'tbd','driving force','tbd')
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end select
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enddo outputsLoop
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end associate
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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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end module source_damage_anisoDuctile
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