285 lines
13 KiB
Fortran
285 lines
13 KiB
Fortran
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!************************************
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!* Module: CONSTITUTIVE *
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!************************************
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!* contains: *
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!* - constitutive equations *
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!* - parameters definition *
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!************************************
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MODULE constitutive
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!*** Include other modules ***
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use prec
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implicit none
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type(p_vec), dimension(:,:,:), allocatable :: constitutive_state_old, & ! pointer array to old state variables of each grain
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constitutive_state_new ! pointer array to new state variables of each grain
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integer(pInt), dimension(:,:,:), allocatable :: constitutive_sizeDotState, & ! size of dotState array
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constitutive_sizeState, & ! size of state array per grain
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constitutive_sizePostResults ! size of postResults array per grain
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integer(pInt) constitutive_maxSizeDotState,constitutive_maxSizeState,constitutive_maxSizePostResults
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CONTAINS
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!****************************************
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!* - constitutive_init
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!* - constitutive_homogenizedC
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!* - constitutive_microstructure
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!* - constitutive_LpAndItsTangent
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!* - constitutive_dotState
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!* - constitutive_postResults
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!****************************************
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subroutine constitutive_init()
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!**************************************
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!* Module initialization *
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!**************************************
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use prec, only: pReal,pInt
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use IO, only: IO_error, IO_open_file
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use mesh, only: mesh_maxNips,mesh_NcpElems,mesh_element,FE_Nips
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use material
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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integer(pInt), parameter :: fileunit = 200
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integer(pInt) e,i,g,myInstance
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if(.not. IO_open_file(fileunit,material_configFile)) call IO_error (100) ! corrupt config file
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call constitutive_phenomenological_init(fileunit) ! parse all phases of this constitution
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call constitutive_j2_init(fileunit)
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call constitutive_dislobased_init(fileunit)
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close(fileunit)
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allocate(constitutive_state_old(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems))
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allocate(constitutive_state_new(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems))
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allocate(constitutive_sizeDotState(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems)) ; constitutive_sizeDotState = 0_pInt
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allocate(constitutive_sizeState(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems)) ; constitutive_sizeState = 0_pInt
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allocate(constitutive_sizePostResults(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems)) ; constitutive_sizePostResults = 0_pInt
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do e = 1,mesh_NcpElems ! loop over elements
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do i = 1,FE_Nips(mesh_element(2,e)) ! loop over IPs
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do g = 1,homogenization_Ngrains(mesh_element(3,e)) ! loop over grains
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myInstance = phase_constitutionInstance(material_phase(g,i,e))
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select case(phase_constitution(material_phase(g,i,e)))
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case (constitutive_phenomenological_label)
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allocate(constitutive_state_old(g,i,e)%p(constitutive_phenomenological_sizeState(myInstance)))
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allocate(constitutive_state_new(g,i,e)%p(constitutive_phenomenological_sizeState(myInstance)))
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constitutive_state_new(g,i,e)%p = constitutive_phenomenological_stateInit(g,i,e)
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constitutive_state_old(g,i,e)%p = constitutive_phenomenological_stateInit(g,i,e)
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constitutive_sizeDotState(g,i,e) = constitutive_phenomenological_sizeDotState(myInstance)
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constitutive_sizeState(g,i,e) = constitutive_phenomenological_sizeState(myInstance)
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constitutive_sizePostResults(g,i,e) = constitutive_phenomenological_sizePostResults(myInstance)
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case (constitutive_j2_label)
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allocate(constitutive_state_old(g,i,e)%p(constitutive_j2_sizeState(myInstance)))
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allocate(constitutive_state_new(g,i,e)%p(constitutive_j2_sizeState(myInstance)))
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constitutive_state_new(g,i,e)%p = constitutive_j2_stateInit(g,i,e)
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constitutive_state_old(g,i,e)%p = constitutive_j2_stateInit(g,i,e)
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constitutive_sizeDotState(g,i,e) = constitutive_j2_sizeDotState(myInstance)
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constitutive_sizeState(g,i,e) = constitutive_j2_sizeState(myInstance)
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constitutive_sizePostResults(g,i,e) = constitutive_j2_sizePostResults(myInstance)
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case default
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call IO_error(200,material_phase(g,i,e)) ! unknown constitution
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end select
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enddo
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enddo
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enddo
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constitutive_maxSizeDotState = maxval(constitutive_sizeDotState)
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constitutive_maxSizeState = maxval(constitutive_sizeState)
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constitutive_maxSizePostResults = maxval(constitutive_sizePostResults)
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return
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end subroutine
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function constitutive_homogenizedC(ipc,ip,el)
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!*********************************************************************
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!* This function returns the homogenized elacticity matrix *
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!* INPUT: *
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!* - state : state variables *
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!* - ipc : component-ID of current integration point *
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!* - ip : current integration point *
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!* - el : current element *
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!*********************************************************************
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use prec, only: pReal,pInt
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use material, only: phase_constitution,material_phase
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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real(pReal), dimension(6,6) :: constitutive_homogenizedC
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select case (phase_constitution(material_phase(ipc,ip,el)))
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case (constitutive_phenomenological_label)
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constitutive_homogenizedC = constitutive_phenomenological_homogenizedC(constitutive_state_new,ipc,ip,el)
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case (constitutive_j2_label)
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constitutive_homogenizedC = constitutive_j2_homogenizedC(constitutive_state_new,ipc,ip,el)
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case (constitutive_dislobased_label)
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constitutive_homogenizedC = constitutive_dislobased_homogenizedC(constitutive_state_new,ipc,ip,el)
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end select
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return
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end function
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subroutine constitutive_microstructure(Temperature,ipc,ip,el)
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!*********************************************************************
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!* This function calculates from state needed variables *
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!* INPUT: *
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!* - state : state variables *
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!* - Tp : temperature *
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!* - ipc : component-ID of current integration point *
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!* - ip : current integration point *
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!* - el : current element *
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!*********************************************************************
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use prec, only: pReal,pInt
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use material, only: phase_constitution,material_phase
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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real(pReal) Temperature
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select case (phase_constitution(material_phase(ipc,ip,el)))
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case (constitutive_phenomenological_label)
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call constitutive_phenomenological_microstructure(Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_j2_label)
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call constitutive_j2_microstructure(Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_dislobased_label)
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call constitutive_dislobased_microstructure(Temperature,constitutive_state_new,ipc,ip,el)
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end select
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end subroutine
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subroutine constitutive_LpAndItsTangent(Lp,dLp_dTstar, Tstar_v,Temperature,ipc,ip,el)
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!*********************************************************************
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!* This subroutine contains the constitutive equation for *
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!* calculating the velocity gradient *
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!* INPUT: *
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!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
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!* - ipc : component-ID of current integration point *
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!* - ip : current integration point *
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!* - el : current element *
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!* OUTPUT: *
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!* - Lp : plastic velocity gradient *
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!* - dLp_dTstar : derivative of Lp (4th-order tensor) *
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!*********************************************************************
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use prec, only: pReal,pInt
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use material, only: phase_constitution,material_phase
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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real(pReal) Temperature
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real(pReal), dimension(6) :: Tstar_v
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real(pReal), dimension(3,3) :: Lp
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real(pReal), dimension(9,9) :: dLp_dTstar
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select case (phase_constitution(material_phase(ipc,ip,el)))
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case (constitutive_phenomenological_label)
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call constitutive_phenomenological_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_j2_label)
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call constitutive_j2_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_dislobased_label)
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call constitutive_dislobased_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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end select
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return
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end subroutine
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function constitutive_dotState(Tstar_v,Temperature,ipc,ip,el)
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!*********************************************************************
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!* This subroutine contains the constitutive equation for *
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!* calculating the rate of change of microstructure *
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!* INPUT: *
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!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
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!* - state : current microstructure *
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!* - ipc : component-ID of current integration point *
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!* - ip : current integration point *
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!* - el : current element *
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!* OUTPUT: *
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!* - constitutive_dotState : evolution of state variable *
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!*********************************************************************
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use prec, only: pReal,pInt
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use material, only: phase_constitution,material_phase
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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real(pReal) Temperature
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real(pReal), dimension(6) :: Tstar_v
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real(pReal), dimension(constitutive_sizeDotState(ipc,ip,el)) :: constitutive_dotState
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select case (phase_constitution(material_phase(ipc,ip,el)))
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case (constitutive_phenomenological_label)
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constitutive_dotState = constitutive_phenomenological_dotState(Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_j2_label)
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constitutive_dotState = constitutive_j2_dotState(Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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case (constitutive_dislobased_label)
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call constitutive_dislobased_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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end select
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return
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end function
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pure function constitutive_postResults(Tstar_v,Temperature,dt,ipc,ip,el)
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!*********************************************************************
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!* return array of constitutive results *
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!* INPUT: *
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!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
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!* - dt : current time increment *
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!* - ipc : component-ID of current integration point *
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!* - ip : current integration point *
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!* - el : current element *
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!*********************************************************************
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use prec, only: pReal,pInt
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use material, only: phase_constitution,material_phase
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use constitutive_phenomenological
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use constitutive_j2
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use constitutive_dislobased
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implicit none
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!* Definition of variables
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integer(pInt), intent(in) :: ipc,ip,el
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real(pReal), intent(in) :: dt,Temperature
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real(pReal), dimension(6), intent(in) :: Tstar_v
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real(pReal), dimension(constitutive_sizePostResults(ipc,ip,el)) :: constitutive_postResults
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constitutive_postResults = 0.0_pReal
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select case (phase_constitution(material_phase(ipc,ip,el)))
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case (constitutive_phenomenological_label)
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constitutive_postResults = constitutive_phenomenological_postResults(Tstar_v,Temperature,dt,constitutive_state_new,ipc,ip,el)
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case (constitutive_j2_label)
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constitutive_postResults = constitutive_j2_postResults(Tstar_v,Temperature,dt,constitutive_state_new,ipc,ip,el)
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case (constitutive_dislobased_label)
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call constitutive_dislobased_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,constitutive_state_new,ipc,ip,el)
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end select
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return
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end function
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END MODULE |