DAMASK_EICMD/trunk/constitutive_phenomenologic...

468 lines
23 KiB
Fortran

!*****************************************************
!* Module: CONSTITUTIVE_PHENOMENOLOGICAL *
!*****************************************************
!* contains: *
!* - constitutive equations *
!* - parameters definition *
!*****************************************************
! [Alu]
! constitution phenomenological
! (output) slipresistance
! (output) rateofshear
! lattice_structure 1
! Nslip 12
!
! c11 106.75e9
! c12 60.41e9
! c44 28.34e9
!
! s0_slip 31e6
! gdot0_slip 0.001
! n_slip 20
! h0 75e6
! s_sat 63e6
! w0 2.25
! latent_ratio 1.4
MODULE constitutive_phenomenological
!*** Include other modules ***
use prec, only: pReal,pInt
implicit none
character (len=*), parameter :: constitutive_phenomenological_label = 'phenomenological'
integer(pInt), dimension(:), allocatable :: constitutive_phenomenological_sizeDotState, &
constitutive_phenomenological_sizeState, &
constitutive_phenomenological_sizePostResults
character(len=64), dimension(:,:), allocatable :: constitutive_phenomenological_output
integer(pInt), dimension(:), allocatable :: constitutive_phenomenological_structure
integer(pInt), dimension(:), allocatable :: constitutive_phenomenological_Nslip
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_C11
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_C12
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_C13
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_C33
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_C44
real(pReal), dimension(:,:,:), allocatable :: constitutive_phenomenological_Cslip_66
!* Visco-plastic constitutive_phenomenological parameters
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_s0_slip
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_gdot0_slip
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_n_slip
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_h0
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_s_sat
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_w0
real(pReal), dimension(:), allocatable :: constitutive_phenomenological_latent
real(pReal), dimension(:,:,:), allocatable :: constitutive_phenomenological_HardeningMatrix
CONTAINS
!****************************************
!* - constitutive_init
!* - constitutive_stateInit
!* - constitutive_homogenizedC
!* - constitutive_microstructure
!* - constitutive_LpAndItsTangent
!* - consistutive_dotState
!* - consistutive_postResults
!****************************************
subroutine constitutive_phenomenological_init(file)
!**************************************
!* Module initialization *
!**************************************
use prec, only: pInt, pReal
use math, only: math_Mandel3333to66, math_Voigt66to3333
use IO
use material
integer(pInt), intent(in) :: file
integer(pInt), parameter :: maxNchunks = 7
integer(pInt), dimension(1+2*maxNchunks) :: positions
integer(pInt) section, maxNinstance, i,j,k, output
character(len=64) tag
character(len=1024) line
maxNinstance = count(phase_constitution == constitutive_phenomenological_label)
if (maxNinstance == 0) return
allocate(constitutive_phenomenological_sizeDotState(maxNinstance)) ; constitutive_phenomenological_sizeDotState = 0_pInt
allocate(constitutive_phenomenological_sizeState(maxNinstance)) ; constitutive_phenomenological_sizeState = 0_pInt
allocate(constitutive_phenomenological_sizePostResults(maxNinstance)); constitutive_phenomenological_sizePostResults = 0_pInt
allocate(constitutive_phenomenological_output(maxval(phase_Noutput), &
maxNinstance)) ; constitutive_phenomenological_output = ''
allocate(constitutive_phenomenological_structure(maxNinstance)) ; constitutive_phenomenological_structure = 0_pInt
allocate(constitutive_phenomenological_Nslip(maxNinstance)) ; constitutive_phenomenological_Nslip = 0_pInt
allocate(constitutive_phenomenological_C11(maxNinstance)) ; constitutive_phenomenological_C11 = 0.0_pReal
allocate(constitutive_phenomenological_C12(maxNinstance)) ; constitutive_phenomenological_C12 = 0.0_pReal
allocate(constitutive_phenomenological_C13(maxNinstance)) ; constitutive_phenomenological_C13 = 0.0_pReal
allocate(constitutive_phenomenological_C33(maxNinstance)) ; constitutive_phenomenological_C33 = 0.0_pReal
allocate(constitutive_phenomenological_C44(maxNinstance)) ; constitutive_phenomenological_C44 = 0.0_pReal
allocate(constitutive_phenomenological_Cslip_66(6,6,maxNinstance)) ; constitutive_phenomenological_Cslip_66 = 0.0_pReal
allocate(constitutive_phenomenological_s0_slip(maxNinstance)) ; constitutive_phenomenological_s0_slip = 0.0_pReal
allocate(constitutive_phenomenological_gdot0_slip(maxNinstance)) ; constitutive_phenomenological_gdot0_slip = 0.0_pReal
allocate(constitutive_phenomenological_n_slip(maxNinstance)) ; constitutive_phenomenological_n_slip = 0.0_pReal
allocate(constitutive_phenomenological_h0(maxNinstance)) ; constitutive_phenomenological_h0 = 0.0_pReal
allocate(constitutive_phenomenological_s_sat(maxNinstance)) ; constitutive_phenomenological_s_sat = 0.0_pReal
allocate(constitutive_phenomenological_w0(maxNinstance)) ; constitutive_phenomenological_w0 = 0.0_pReal
allocate(constitutive_phenomenological_latent(maxNinstance)) ; constitutive_phenomenological_latent = 1.0_pReal
rewind(file)
line = ''
section = 0
do while (IO_lc(IO_getTag(line,'<','>')) /= 'phase') ! wind forward to <phase>
read(file,'(a1024)',END=100) line
enddo
do ! read thru sections of phase part
read(file,'(a1024)',END=100) line
if (IO_isBlank(line)) cycle ! skip empty lines
if (IO_getTag(line,'<','>') /= '') exit ! stop at next part
if (IO_getTag(line,'[',']') /= '') then ! next section
section = section + 1
output = 0 ! reset output counter
endif
if (section > 0 .and. phase_constitution(section) == constitutive_phenomenological_label) then ! one of my sections
i = phase_constitutionInstance(section) ! which instance of my constitution is present phase
positions = IO_stringPos(line,maxNchunks)
tag = IO_lc(IO_stringValue(line,positions,1)) ! extract key
select case(tag)
case ('(output)')
output = output + 1
constitutive_phenomenological_output(output,i) = IO_lc(IO_stringValue(line,positions,2))
case ('lattice_structure')
constitutive_phenomenological_structure(i) = IO_intValue(line,positions,2)
case ('nslip')
constitutive_phenomenological_Nslip(i) = IO_intValue(line,positions,2)
case ('c11')
constitutive_phenomenological_C11(i) = IO_floatValue(line,positions,2)
case ('c12')
constitutive_phenomenological_C12(i) = IO_floatValue(line,positions,2)
case ('c13')
constitutive_phenomenological_C13(i) = IO_floatValue(line,positions,2)
case ('c33')
constitutive_phenomenological_C33(i) = IO_floatValue(line,positions,2)
case ('c44')
constitutive_phenomenological_C44(i) = IO_floatValue(line,positions,2)
case ('s0_slip')
constitutive_phenomenological_s0_slip(i) = IO_floatValue(line,positions,2)
case ('gdot0_slip')
constitutive_phenomenological_gdot0_slip(i) = IO_floatValue(line,positions,2)
case ('n_slip')
constitutive_phenomenological_n_slip(i) = IO_floatValue(line,positions,2)
case ('h0')
constitutive_phenomenological_h0(i) = IO_floatValue(line,positions,2)
case ('s_sat')
constitutive_phenomenological_s_sat(i) = IO_floatValue(line,positions,2)
case ('w0')
constitutive_phenomenological_w0(i) = IO_floatValue(line,positions,2)
case ('latent_ratio')
constitutive_phenomenological_latent(i) = IO_floatValue(line,positions,2)
end select
endif
enddo
100 do i = 1,maxNinstance ! sanity checks
if (constitutive_phenomenological_structure(i) < 1 .or. &
constitutive_phenomenological_structure(i) > 3) call IO_error(201)
if (constitutive_phenomenological_Nslip(i) < 1) call IO_error(202)
if (constitutive_phenomenological_s0_slip(i) < 0.0_pReal) call IO_error(203)
if (constitutive_phenomenological_gdot0_slip(i) <= 0.0_pReal) call IO_error(204)
if (constitutive_phenomenological_n_slip(i) <= 0.0_pReal) call IO_error(205)
if (constitutive_phenomenological_h0(i) <= 0.0_pReal) call IO_error(206)
if (constitutive_phenomenological_s_sat(i) <= 0.0_pReal) call IO_error(207)
if (constitutive_phenomenological_w0(i) <= 0.0_pReal) call IO_error(208)
if (constitutive_phenomenological_latent(i) < 0.0_pReal) call IO_error(209)
enddo
allocate(constitutive_phenomenological_hardeningMatrix(maxval(constitutive_phenomenological_Nslip),&
maxval(constitutive_phenomenological_Nslip),&
maxNinstance))
do i = 1,maxNinstance
constitutive_phenomenological_sizeDotState(i) = constitutive_phenomenological_Nslip(i)
constitutive_phenomenological_sizeState(i) = constitutive_phenomenological_Nslip(i)
do j = 1,maxval(phase_Noutput)
select case(constitutive_phenomenological_output(j,i))
case('slipresistance')
constitutive_phenomenological_sizePostResults(i) = &
constitutive_phenomenological_sizePostResults(i) + constitutive_phenomenological_Nslip(i)
case('rateofshear')
constitutive_phenomenological_sizePostResults(i) = &
constitutive_phenomenological_sizePostResults(i) + constitutive_phenomenological_Nslip(i)
end select
enddo
select case (constitutive_phenomenological_structure(i))
case(1:2) ! cubic(s)
forall(k=1:3)
forall(j=1:3) &
constitutive_phenomenological_Cslip_66(k,j,i) = constitutive_phenomenological_C12(i)
constitutive_phenomenological_Cslip_66(k,k,i) = constitutive_phenomenological_C11(i)
constitutive_phenomenological_Cslip_66(k+3,k+3,i) = constitutive_phenomenological_C44(i)
end forall
case(3) ! hcp
constitutive_phenomenological_Cslip_66(1,1,i) = constitutive_phenomenological_C11(i)
constitutive_phenomenological_Cslip_66(2,2,i) = constitutive_phenomenological_C11(i)
constitutive_phenomenological_Cslip_66(3,3,i) = constitutive_phenomenological_C33(i)
constitutive_phenomenological_Cslip_66(1,2,i) = constitutive_phenomenological_C12(i)
constitutive_phenomenological_Cslip_66(2,1,i) = constitutive_phenomenological_C12(i)
constitutive_phenomenological_Cslip_66(1,3,i) = constitutive_phenomenological_C13(i)
constitutive_phenomenological_Cslip_66(3,1,i) = constitutive_phenomenological_C13(i)
constitutive_phenomenological_Cslip_66(2,3,i) = constitutive_phenomenological_C13(i)
constitutive_phenomenological_Cslip_66(3,2,i) = constitutive_phenomenological_C13(i)
constitutive_phenomenological_Cslip_66(4,4,i) = constitutive_phenomenological_C44(i)
constitutive_phenomenological_Cslip_66(5,5,i) = constitutive_phenomenological_C44(i)
constitutive_phenomenological_Cslip_66(6,6,i) = 0.5_pReal*(constitutive_phenomenological_C11(i)- &
constitutive_phenomenological_C12(i))
end select
constitutive_phenomenological_Cslip_66(:,:,i) = &
math_Mandel3333to66(math_Voigt66to3333(constitutive_phenomenological_Cslip_66(:,:,i)))
constitutive_phenomenological_hardeningMatrix(:,:,i) = constitutive_phenomenological_latent(i)
forall (j = 1:constitutive_phenomenological_Nslip(i)) &
constitutive_phenomenological_hardeningMatrix(j,j,i) = 1.0_pReal
enddo
return
end subroutine
function constitutive_phenomenological_stateInit(ipc,ip,el)
!*********************************************************************
!* initial microstructural state *
!*********************************************************************
use prec, only: pReal,pInt
use material, only: material_phase, phase_constitutionInstance
implicit none
!* Definition of variables
integer(pInt), intent(in) :: ipc,ip,el
integer(pInt) matID
real(pReal), dimension(constitutive_phenomenological_Nslip(phase_constitutionInstance(material_phase(ipc,ip,el)))) :: &
constitutive_phenomenological_stateInit
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
constitutive_phenomenological_stateInit = constitutive_phenomenological_s0_slip(matID)
return
end function
function constitutive_phenomenological_homogenizedC(state,ipc,ip,el)
!*********************************************************************
!* homogenized elacticity matrix *
!* INPUT: *
!* - state : state variables *
!* - ipc : component-ID of current integration point *
!* - ip : current integration point *
!* - el : current element *
!*********************************************************************
use prec, only: pReal,pInt,p_vec
use mesh, only: mesh_NcpElems,mesh_maxNips
use material, only: homogenization_maxNgrains,material_phase, phase_constitutionInstance
implicit none
!* Definition of variables
integer(pInt), intent(in) :: ipc,ip,el
integer(pInt) matID
real(pReal), dimension(6,6) :: constitutive_phenomenological_homogenizedC
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems) :: state
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
constitutive_phenomenological_homogenizedC = constitutive_phenomenological_Cslip_66(:,:,matID)
return
end function
subroutine constitutive_phenomenological_microstructure(Temperature,state,ipc,ip,el)
!*********************************************************************
!* calculate derived quantities from state (not used here) *
!* INPUT: *
!* - Tp : temperature *
!* - ipc : component-ID of current integration point *
!* - ip : current integration point *
!* - el : current element *
!*********************************************************************
use prec, only: pReal,pInt,p_vec
use mesh, only: mesh_NcpElems,mesh_maxNips
use material, only: homogenization_maxNgrains,material_phase, phase_constitutionInstance
implicit none
!* Definition of variables
integer(pInt) ipc,ip,el, matID
real(pReal) Temperature
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems) :: state
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
end subroutine
subroutine constitutive_phenomenological_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,state,ipc,ip,el)
!*********************************************************************
!* plastic velocity gradient and its tangent *
!* INPUT: *
!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
!* - ipc : component-ID at current integration point *
!* - ip : current integration point *
!* - el : current element *
!* OUTPUT: *
!* - Lp : plastic velocity gradient *
!* - dLp_dTstar : derivative of Lp (4th-rank tensor) *
!*********************************************************************
use prec, only: pReal,pInt,p_vec
use math, only: math_Plain3333to99
use lattice, only: lattice_Sslip,lattice_Sslip_v
use mesh, only: mesh_NcpElems,mesh_maxNips
use material, only: homogenization_maxNgrains,material_phase, phase_constitutionInstance
implicit none
!* Definition of variables
integer(pInt) ipc,ip,el
integer(pInt) matID,i,k,l,m,n
real(pReal) Temperature
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems) :: state
real(pReal), dimension(6) :: Tstar_v
real(pReal), dimension(3,3) :: Lp
real(pReal), dimension(3,3,3,3) :: dLp_dTstar3333
real(pReal), dimension(9,9) :: dLp_dTstar
real(pReal), dimension(constitutive_phenomenological_Nslip(phase_constitutionInstance(material_phase(ipc,ip,el)))) :: &
gdot_slip,dgdot_dtauslip,tau_slip
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
!* Calculation of Lp
Lp = 0.0_pReal
do i = 1,constitutive_phenomenological_Nslip(matID)
tau_slip(i) = dot_product(Tstar_v,lattice_Sslip_v(:,i,constitutive_phenomenological_structure(matID)))
gdot_slip(i) = constitutive_phenomenological_gdot0_slip(matID)*(abs(tau_slip(i))/state(ipc,ip,el)%p(i))**&
constitutive_phenomenological_n_slip(matID)*sign(1.0_pReal,tau_slip(i))
Lp = Lp + gdot_slip(i)*lattice_Sslip(:,:,i,constitutive_phenomenological_structure(matID))
enddo
!* Calculation of the tangent of Lp
dLp_dTstar3333 = 0.0_pReal
dLp_dTstar = 0.0_pReal
do i = 1,constitutive_phenomenological_Nslip(matID)
dgdot_dtauslip(i) = constitutive_phenomenological_gdot0_slip(matID)*(abs(tau_slip(i))/state(ipc,ip,el)%p(i))**&
(constitutive_phenomenological_n_slip(matID)-1.0_pReal)*&
constitutive_phenomenological_n_slip(matID)/state(ipc,ip,el)%p(i)
forall (k=1:3,l=1:3,m=1:3,n=1:3) &
dLp_dTstar3333(k,l,m,n) = dLp_dTstar3333(k,l,m,n) + &
dgdot_dtauslip(i)*lattice_Sslip(k,l,i,constitutive_phenomenological_structure(matID))* &
lattice_Sslip(m,n,i,constitutive_phenomenological_structure(matID))
enddo
dLp_dTstar = math_Plain3333to99(dLp_dTstar3333)
return
end subroutine
function constitutive_phenomenological_dotState(Tstar_v,Temperature,state,ipc,ip,el)
!*********************************************************************
!* rate of change of microstructure *
!* INPUT: *
!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
!* - ipc : component-ID at current integration point *
!* - ip : current integration point *
!* - el : current element *
!* OUTPUT: *
!* - constitutive_dotState : evolution of state variable *
!*********************************************************************
use prec, only: pReal,pInt,p_vec
use lattice, only: lattice_Sslip_v
use mesh, only: mesh_NcpElems,mesh_maxNips
use material, only: homogenization_maxNgrains,material_phase, phase_constitutionInstance
implicit none
!* Definition of variables
integer(pInt) ipc,ip,el
integer(pInt) matID,i,n
real(pReal) Temperature,tau_slip,gdot_slip
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems) :: state
real(pReal), dimension(6) :: Tstar_v
real(pReal), dimension(constitutive_phenomenological_Nslip(phase_constitutionInstance(material_phase(ipc,ip,el)))) :: &
constitutive_phenomenological_dotState,self_hardening
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
n = constitutive_phenomenological_Nslip(matID)
!* Self-Hardening of each system
do i = 1,n
tau_slip = dot_product(Tstar_v,lattice_Sslip_v(:,i,constitutive_phenomenological_structure(matID)))
gdot_slip = constitutive_phenomenological_gdot0_slip(matID)*(abs(tau_slip)/state(ipc,ip,el)%p(i))**&
constitutive_phenomenological_n_slip(matID)*sign(1.0_pReal,tau_slip)
self_hardening(i) = constitutive_phenomenological_h0(matID)*(1.0_pReal-state(ipc,ip,el)%p(i)/&
constitutive_phenomenological_s_sat(matID))**constitutive_phenomenological_w0(matID)*abs(gdot_slip)
enddo
!$OMP CRITICAL (evilmatmul)
constitutive_phenomenological_dotState = matmul(constitutive_phenomenological_hardeningMatrix(1:n,1:n,matID),self_hardening)
!$OMP END CRITICAL (evilmatmul)
return
end function
pure function constitutive_phenomenological_postResults(Tstar_v,Temperature,dt,state,ipc,ip,el)
!*********************************************************************
!* return array of constitutive results *
!* INPUT: *
!* - Tstar_v : 2nd Piola Kirchhoff stress tensor (Mandel) *
!* - dt : current time increment *
!* - ipc : component-ID at current integration point *
!* - ip : current integration point *
!* - el : current element *
!*********************************************************************
use prec, only: pReal,pInt,p_vec
use lattice, only: lattice_Sslip_v
use mesh, only: mesh_NcpElems,mesh_maxNips
use material, only: homogenization_maxNgrains,material_phase,phase_constitutionInstance,phase_Noutput
implicit none
!* Definition of variables
integer(pInt), intent(in) :: ipc,ip,el
real(pReal), intent(in) :: dt,Temperature
real(pReal), dimension(6), intent(in) :: Tstar_v
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: state
integer(pInt) matID,o,i,c,n
real(pReal) tau_slip
real(pReal), dimension(constitutive_phenomenological_sizePostResults(phase_constitutionInstance(material_phase(ipc,ip,el)))) :: &
constitutive_phenomenological_postResults
matID = phase_constitutionInstance(material_phase(ipc,ip,el))
n = constitutive_phenomenological_Nslip(matID)
c = 0_pInt
constitutive_phenomenological_postResults = 0.0_pReal
do o = 1,phase_Noutput(material_phase(ipc,ip,el))
select case(constitutive_phenomenological_output(o,matID))
case ('slipresistance')
constitutive_phenomenological_postResults(c+1:c+n) = state(ipc,ip,el)%p(1:n)
c = c + n
case ('rateofshear')
do i = 1,n
tau_slip = dot_product(Tstar_v,lattice_Sslip_v(:,i,constitutive_phenomenological_structure(matID)))
constitutive_phenomenological_postResults(c+i) = sign(1.0_pReal,tau_slip)*constitutive_phenomenological_gdot0_slip(matID)*&
(abs(tau_slip)/state(ipc,ip,el)%p(i))**&
constitutive_phenomenological_n_slip(matID)
enddo
c = c + n
end select
enddo
return
end function
END MODULE