524 lines
18 KiB
Fortran
524 lines
18 KiB
Fortran
!----------------------------------------------------------------------------------------------------
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!> @brief internal microstructure state for all damage sources and kinematics constitutive models
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!----------------------------------------------------------------------------------------------------
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submodule(phase) damagee
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enum, bind(c); enumerator :: &
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DAMAGE_UNDEFINED_ID, &
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DAMAGE_ISOBRITTLE_ID, &
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DAMAGE_ISODUCTILE_ID, &
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DAMAGE_ANISOBRITTLE_ID, &
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DAMAGE_ANISODUCTILE_ID
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end enum
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type :: tDataContainer
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real(pReal), dimension(:), allocatable :: phi, d_phi_d_dot_phi
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end type tDataContainer
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integer(kind(DAMAGE_UNDEFINED_ID)), dimension(:), allocatable :: &
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phase_source !< active sources mechanisms of each phase
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integer, dimension(:), allocatable :: &
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phase_Nsources
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type(tDataContainer), dimension(:), allocatable :: current
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interface
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module function anisobrittle_init() result(mySources)
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logical, dimension(:), allocatable :: mySources
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end function anisobrittle_init
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module function anisoductile_init() result(mySources)
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logical, dimension(:), allocatable :: mySources
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end function anisoductile_init
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module function isobrittle_init() result(mySources)
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logical, dimension(:), allocatable :: mySources
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end function isobrittle_init
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module function isoductile_init() result(mySources)
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logical, dimension(:), allocatable :: mySources
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end function isoductile_init
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module subroutine isobrittle_deltaState(C, Fe, ph, me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in), dimension(3,3) :: &
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Fe
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real(pReal), intent(in), dimension(6,6) :: &
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C
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end subroutine isobrittle_deltaState
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module subroutine anisobrittle_dotState(S, ph, me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in), dimension(3,3) :: &
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S
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end subroutine anisobrittle_dotState
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module subroutine anisoductile_dotState(ph,me)
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integer, intent(in) :: ph,me
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end subroutine anisoductile_dotState
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module subroutine isoductile_dotState(ph,me)
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integer, intent(in) :: ph,me
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end subroutine isoductile_dotState
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module subroutine anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph, me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in) :: &
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phi !< damage parameter
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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end subroutine anisobrittle_getRateAndItsTangent
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module subroutine anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph,me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in) :: &
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phi !< damage parameter
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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end subroutine anisoductile_getRateAndItsTangent
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module subroutine isobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph,me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in) :: &
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phi !< damage parameter
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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end subroutine isobrittle_getRateAndItsTangent
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module subroutine isoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph,me)
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integer, intent(in) :: ph,me
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real(pReal), intent(in) :: &
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phi !< damage parameter
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real(pReal), intent(out) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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end subroutine isoductile_getRateAndItsTangent
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module subroutine anisobrittle_results(phase,group)
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integer, intent(in) :: phase
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character(len=*), intent(in) :: group
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end subroutine anisobrittle_results
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module subroutine 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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end subroutine anisoductile_results
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module subroutine isobrittle_results(phase,group)
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integer, intent(in) :: phase
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character(len=*), intent(in) :: group
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end subroutine isobrittle_results
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module subroutine isoductile_results(phase,group)
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integer, intent(in) :: phase
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character(len=*), intent(in) :: group
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end subroutine isoductile_results
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end interface
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contains
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!----------------------------------------------------------------------------------------------
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!< @brief initialize damage sources and kinematics mechanism
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!----------------------------------------------------------------------------------------------
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module subroutine damage_init
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integer :: &
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ph, & !< counter in phase loop
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Nmembers
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class(tNode), pointer :: &
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phases, &
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phase, &
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sources
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print'(/,a)', ' <<<+- phase:damage init -+>>>'
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phases => config_material%get('phase')
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allocate(current(phases%length))
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allocate(damageState (phases%length))
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allocate(phase_Nsources(phases%length),source = 0)
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do ph = 1,phases%length
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Nmembers = count(material_phaseAt2 == ph)
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allocate(current(ph)%phi(Nmembers),source=1.0_pReal)
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allocate(current(ph)%d_phi_d_dot_phi(Nmembers),source=0.0_pReal)
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phase => phases%get(ph)
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sources => phase%get('damage',defaultVal=emptyList)
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if (sources%length > 1) error stop
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phase_Nsources(ph) = sources%length
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enddo
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allocate(phase_source(phases%length), source = DAMAGE_UNDEFINED_ID)
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! initialize source mechanisms
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if(maxval(phase_Nsources) /= 0) then
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where(isobrittle_init() ) phase_source = DAMAGE_ISOBRITTLE_ID
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where(isoductile_init() ) phase_source = DAMAGE_ISODUCTILE_ID
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where(anisobrittle_init()) phase_source = DAMAGE_ANISOBRITTLE_ID
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where(anisoductile_init()) phase_source = DAMAGE_ANISODUCTILE_ID
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endif
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end subroutine damage_init
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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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module subroutine phase_damage_getRateAndItsTangents(phiDot, dPhiDot_dPhi, phi, ce)
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integer, intent(in) :: ce
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real(pReal), intent(in) :: &
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phi !< damage parameter
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real(pReal), intent(inout) :: &
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phiDot, &
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dPhiDot_dPhi
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real(pReal) :: &
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localphiDot, &
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dLocalphiDot_dPhi
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integer :: &
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ph, &
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co, &
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me
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phiDot = 0.0_pReal
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dPhiDot_dPhi = 0.0_pReal
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do co = 1, homogenization_Nconstituents(material_homogenizationAt2(ce))
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ph = material_phaseAt2(co,ce)
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me = material_phasememberAt2(co,ce)
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select case(phase_source(ph))
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case (DAMAGE_ISOBRITTLE_ID)
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call isobrittle_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, ph, me)
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case (DAMAGE_ISODUCTILE_ID)
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call isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, ph, me)
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case (DAMAGE_ANISOBRITTLE_ID)
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call anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph, me)
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case (DAMAGE_ANISODUCTILE_ID)
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call anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, ph, me)
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case default
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localphiDot = 0.0_pReal
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dLocalphiDot_dPhi = 0.0_pReal
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end select
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phiDot = phiDot + localphiDot
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dPhiDot_dPhi = dPhiDot_dPhi + dLocalphiDot_dPhi
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enddo
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end subroutine phase_damage_getRateAndItsTangents
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!--------------------------------------------------------------------------------------------------
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!> @brief integrate stress, state with adaptive 1st order explicit Euler method
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!> using Fixed Point Iteration to adapt the stepsize
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!--------------------------------------------------------------------------------------------------
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module function integrateDamageState(dt,co,ip,el) result(broken)
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real(pReal), intent(in) :: dt
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integer, intent(in) :: &
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el, & !< element index in element loop
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ip, & !< integration point index in ip loop
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co !< grain index in grain loop
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logical :: broken
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integer :: &
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NiterationState, & !< number of iterations in state loop
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ph, &
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me, &
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size_so
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real(pReal) :: &
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zeta
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real(pReal), dimension(phase_source_maxSizeDotState) :: &
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r ! state residuum
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real(pReal), dimension(phase_source_maxSizeDotState,2) :: source_dotState
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logical :: &
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converged_
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ph = material_phaseAt(co,el)
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me = material_phaseMemberAt(co,ip,el)
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if (damageState(ph)%sizeState == 0) then
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broken = .false.
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return
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endif
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converged_ = .true.
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broken = phase_damage_collectDotState(ph,me)
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if(broken) return
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size_so = damageState(ph)%sizeDotState
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damageState(ph)%state(1:size_so,me) = damageState(ph)%subState0(1:size_so,me) &
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+ damageState(ph)%dotState (1:size_so,me) * dt
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source_dotState(1:size_so,2) = 0.0_pReal
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iteration: do NiterationState = 1, num%nState
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if(nIterationState > 1) source_dotState(1:size_so,2) = source_dotState(1:size_so,1)
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source_dotState(1:size_so,1) = damageState(ph)%dotState(:,me)
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broken = phase_damage_collectDotState(ph,me)
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if(broken) exit iteration
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zeta = damper(damageState(ph)%dotState(:,me),source_dotState(1:size_so,1),source_dotState(1:size_so,2))
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damageState(ph)%dotState(:,me) = damageState(ph)%dotState(:,me) * zeta &
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+ source_dotState(1:size_so,1)* (1.0_pReal - zeta)
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r(1:size_so) = damageState(ph)%state (1:size_so,me) &
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- damageState(ph)%subState0(1:size_so,me) &
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- damageState(ph)%dotState (1:size_so,me) * dt
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damageState(ph)%state(1:size_so,me) = damageState(ph)%state(1:size_so,me) - r(1:size_so)
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converged_ = converged_ .and. converged(r(1:size_so), &
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damageState(ph)%state(1:size_so,me), &
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damageState(ph)%atol(1:size_so))
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if(converged_) then
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broken = phase_damage_deltaState(mechanical_F_e(ph,me),ph,me)
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exit iteration
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endif
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enddo iteration
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broken = broken .or. .not. converged_
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief calculate the damping for correction of state and dot state
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!--------------------------------------------------------------------------------------------------
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real(pReal) pure function damper(current,previous,previous2)
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real(pReal), dimension(:), intent(in) ::&
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current, previous, previous2
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real(pReal) :: dot_prod12, dot_prod22
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dot_prod12 = dot_product(current - previous, previous - previous2)
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dot_prod22 = dot_product(previous - previous2, previous - previous2)
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if ((dot_product(current,previous) < 0.0_pReal .or. dot_prod12 < 0.0_pReal) .and. dot_prod22 > 0.0_pReal) then
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damper = 0.75_pReal + 0.25_pReal * tanh(2.0_pReal + 4.0_pReal * dot_prod12 / dot_prod22)
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else
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damper = 1.0_pReal
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endif
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end function damper
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end function integrateDamageState
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!----------------------------------------------------------------------------------------------
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!< @brief writes damage sources results to HDF5 output file
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!----------------------------------------------------------------------------------------------
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module subroutine damage_results(group,ph)
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character(len=*), intent(in) :: group
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integer, intent(in) :: ph
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integer :: so
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sourceLoop: do so = 1, phase_Nsources(ph)
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if (phase_source(ph) /= DAMAGE_UNDEFINED_ID) &
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call results_closeGroup(results_addGroup(group//'damage'))
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sourceType: select case (phase_source(ph))
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case (DAMAGE_ISOBRITTLE_ID) sourceType
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call isobrittle_results(ph,group//'damage/')
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case (DAMAGE_ISODUCTILE_ID) sourceType
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call isoductile_results(ph,group//'damage/')
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case (DAMAGE_ANISOBRITTLE_ID) sourceType
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call anisobrittle_results(ph,group//'damage/')
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case (DAMAGE_ANISODUCTILE_ID) sourceType
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call anisoductile_results(ph,group//'damage/')
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end select sourceType
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enddo SourceLoop
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end subroutine damage_results
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!--------------------------------------------------------------------------------------------------
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!> @brief contains the constitutive equation for calculating the rate of change of microstructure
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!--------------------------------------------------------------------------------------------------
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function phase_damage_collectDotState(ph,me) result(broken)
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integer, intent(in) :: &
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ph, &
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me !< counter in source loop
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logical :: broken
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broken = .false.
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if (damageState(ph)%sizeState > 0) then
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sourceType: select case (phase_source(ph))
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case (DAMAGE_ISODUCTILE_ID) sourceType
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call isoductile_dotState(ph,me)
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case (DAMAGE_ANISODUCTILE_ID) sourceType
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call anisoductile_dotState(ph,me)
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case (DAMAGE_ANISOBRITTLE_ID) sourceType
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call anisobrittle_dotState(mechanical_S(ph,me), ph,me) ! correct stress?
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end select sourceType
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broken = broken .or. any(IEEE_is_NaN(damageState(ph)%dotState(:,me)))
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endif
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end function phase_damage_collectDotState
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!--------------------------------------------------------------------------------------------------
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!> @brief for constitutive models having an instantaneous change of state
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!> will return false if delta state is not needed/supported by the constitutive model
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!--------------------------------------------------------------------------------------------------
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function phase_damage_deltaState(Fe, ph, me) result(broken)
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integer, intent(in) :: &
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ph, &
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me
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real(pReal), intent(in), dimension(3,3) :: &
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Fe !< elastic deformation gradient
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integer :: &
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myOffset, &
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mySize
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logical :: &
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broken
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broken = .false.
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if (damageState(ph)%sizeState == 0) return
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sourceType: select case (phase_source(ph))
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case (DAMAGE_ISOBRITTLE_ID) sourceType
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call isobrittle_deltaState(phase_homogenizedC(ph,me), Fe, ph,me)
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broken = any(IEEE_is_NaN(damageState(ph)%deltaState(:,me)))
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if(.not. broken) then
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myOffset = damageState(ph)%offsetDeltaState
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mySize = damageState(ph)%sizeDeltaState
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damageState(ph)%state(myOffset + 1: myOffset + mySize,me) = &
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damageState(ph)%state(myOffset + 1: myOffset + mySize,me) + damageState(ph)%deltaState(1:mySize,me)
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endif
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end select sourceType
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end function phase_damage_deltaState
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!--------------------------------------------------------------------------------------------------
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!> @brief checks if a source mechanism is active or not
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!--------------------------------------------------------------------------------------------------
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function source_active(source_label) result(active_source)
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character(len=*), intent(in) :: source_label !< name of source mechanism
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logical, dimension(:), allocatable :: active_source
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class(tNode), pointer :: &
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phases, &
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phase, &
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sources, &
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src
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integer :: ph
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phases => config_material%get('phase')
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allocate(active_source(phases%length))
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do ph = 1, phases%length
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phase => phases%get(ph)
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sources => phase%get('damage',defaultVal=emptyList)
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src => sources%get(1)
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active_source(ph) = src%get_asString('type',defaultVal = 'x') == source_label
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enddo
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end function source_active
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!----------------------------------------------------------------------------------------------
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!< @brief Set damage parameter
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!----------------------------------------------------------------------------------------------
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module subroutine phase_damage_set_phi(phi,co,ce)
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real(pReal), intent(in) :: phi
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integer, intent(in) :: ce, co
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current(material_phaseAt2(co,ce))%phi(material_phaseMemberAt2(co,ce)) = phi
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end subroutine phase_damage_set_phi
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module function phase_damage_get_phi(co,ip,el) result(phi)
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integer, intent(in) :: co, ip, el
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real(pReal) :: phi
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phi = current(material_phaseAt(co,el))%phi(material_phaseMemberAt(co,ip,el))
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end function phase_damage_get_phi
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module function damage_phi(ph,me) result(phi)
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integer, intent(in) :: ph, me
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real(pReal) :: phi
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phi = current(ph)%phi(me)
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end function damage_phi
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!--------------------------------------------------------------------------------------------------
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!> @brief Forward data after successful increment.
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!--------------------------------------------------------------------------------------------------
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module subroutine damage_forward()
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integer :: ph
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do ph = 1, size(damageState)
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if (damageState(ph)%sizeState > 0) &
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damageState(ph)%state0 = damageState(ph)%state
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enddo
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end subroutine damage_forward
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end submodule damagee
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