Added constitutive_Nstatevars, constitutive_maxNstatevars
Added multiplicity factor
This commit is contained in:
Luc Hantcherli
parent
882a074cea
commit
d121fbc9dd
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@ -15,7 +15,7 @@ MODULE constitutive
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use prec, only: pReal,pInt
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implicit none
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! MISSING this should be outsourced to FEM-spec
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! MISSING this should be outsourced to FEM-spec???????
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! *** Transformation to get the MARC order ***
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! *** 11,22,33,12,23,13 ***
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!temp=Cslip_66(4,:)
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@ -28,6 +28,8 @@ implicit none
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!Cslip_66(:,5)=2.0d0*temp
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! MISSING consistency check after reading 'mattex.mpie'
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! MISSING Euler angles from texture parameters
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! MISSING initialization of CPFEM_Fp_old
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!***********************************************
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!* Definition of crystal structures properties *
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@ -207,7 +209,8 @@ real(pReal), dimension(:,:,:) , allocatable :: constitutive_phi2
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!************************************
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!* State variables *
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!************************************
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!* integer(pInt) constitutive_maxNstate???
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integer(pInt) constitutive_maxNstatevars
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integer(pInt), dimension(:,:,:), allocatable :: constitutive_Nstatevars
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real(pReal), dimension(:,:,:,:), allocatable :: constitutive_state_old
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real(pReal), dimension(:,:,:,:), allocatable :: constitutive_state_new
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@ -458,7 +461,7 @@ implicit none
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!* Definition of variables
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character(len=80) line,tag
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integer(pInt), parameter :: maxNchunks = 2! may be more than 2 chunks ..?
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integer(pInt), parameter :: maxNchunks = 2
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integer(pInt) file,section
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integer(pInt), dimension(1+2*maxNchunks) :: positions
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@ -661,6 +664,7 @@ allocate(material_C12(material_maxN)) ; material_C12=0.0_pReal
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allocate(material_C13(material_maxN)) ; material_C13=0.0_pReal
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allocate(material_C33(material_maxN)) ; material_C33=0.0_pReal
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allocate(material_C44(material_maxN)) ; material_C44=0.0_pReal
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allocate(material_Cslip_66(6,6,material_maxN)) ; material_Cslip_66=0.0_pReal
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allocate(material_s0_slip(material_maxN)) ; material_s0_slip=0.0_pReal
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allocate(material_gdot0_slip(material_maxN)) ; material_gdot0_slip=0.0_pReal
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allocate(material_n_slip(material_maxN)) ; material_n_slip=0.0_pReal
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@ -688,9 +692,9 @@ do while (part/='')
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enddo
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close(1)
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!* Construction of the elasticity matrices
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do i=1,material_maxN
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material_Cslip_66(:,:,i) = 0.0_pReal
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select case (material_CrystalStructure(i))
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case(1:2)
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do k=1,3
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@ -714,6 +718,8 @@ do i=1,material_maxN
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material_Cslip_66(5,5,i)=material_C44(i)
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material_Cslip_66(6,6,i)=0.5_pReal*(material_C11(i)-material_C12(i))
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end select
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!* If MARC
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!constitutive_Cslip_66(:,:,i)=TransformCForMarc(constitutive_Cslip_66(:,:,i))
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enddo
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@ -735,6 +741,7 @@ implicit none
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!* Definition of variables
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integer(pInt) i,j,k,l
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integer(pInt) multiplicity
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!* Allocate arrays
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constitutive_maxNgrains=maxval(texture_Ngrains)
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@ -754,10 +761,15 @@ allocate(constitutive_phi(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_phi=0.0_pReal
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allocate(constitutive_phi2(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_phi2=0.0_pReal
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allocate(constitutive_state_old(material_maxNslip,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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!* State variables
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constitutive_maxNstatevars=material_maxNslip
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allocate(constitutive_Nstatevars(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_Nstatevars=0_pInt
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allocate(constitutive_state_old(constitutive_maxNstatevars,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_state_old=0.0_pReal
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allocate(constitutive_state_new(material_maxNslip,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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allocate(constitutive_state_new(constitutive_maxNstatevars,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_state_new=0.0_pReal
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!* Results
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allocate(constitutive_Nresults(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_Nresults=0_pInt
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@ -767,15 +779,18 @@ do i=1,mesh_NcpElems
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do j=1,FE_Nips(mesh_element(2,i))
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!* Multiplicity of orientations per texture
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constitutive_Ngrains(j,i)=texture_Ngrains(mesh_element(4,i))
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multiplicity=constitutive_Ngrains(j,i)/(texture_NGauss(mesh_element(4,i))+texture_NFiber(mesh_element(4,i)))
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do k=1,constitutive_Ngrains(j,i)
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!* MaterialID and TextureID
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constitutive_matID(k,j,i)=mesh_element(3,i)
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constitutive_texID(k,j,i)=mesh_element(4,i)
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constitutive_MatVolFrac(k,j,i)=1.0_pReal
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do l=1,multiplicity
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! constitutive_TexVolFrac(k,j,i)=texture_Gauss/Fiber(6,M*([gauss]+[fiber]),mesh_element(4,i))
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! constitutive_phi1(k,j,i)=texture_Gauss/Fiber(1,M*([gauss]+[fiber])mesh_element(4,i))
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! constitutive_phi(k,j,i)=texture_Gauss/Fiber(2,M*([gauss]+[fiber])mesh_element(4,i))
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! constitutive_phi2(k,j,i)=texture_Gauss/Fiber(3,M*([gauss]+[fiber])mesh_element(4,i))
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! constitutive_phi1(k,j,i)=texture_Gauss/Fiber(1,M*([gauss]+[fiber]),mesh_element(4,i))
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! constitutive_phi(k,j,i)=texture_Gauss/Fiber(2,M*([gauss]+[fiber]),mesh_element(4,i))
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! constitutive_phi2(k,j,i)=texture_Gauss/Fiber(3,M*([gauss]+[fiber]),mesh_element(4,i))
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enddo
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!* Initialization of state variables
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do l=1,material_Nslip(constitutive_matID(k,j,i))
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constitutive_state_old(l,k,j,i)=material_s0_slip(constitutive_matID(k,j,i))
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@ -801,7 +816,7 @@ 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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real(pReal), dimension(6,6) :: constitutive_homogenizedC
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!* Homogenization scheme
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constitutive_homogenizedC=constitutive_MatVolFrac(ipc,ip,el)*material_Cslip_66(:,:,constitutive_matID(ipc,ip,el))
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@ -828,12 +843,12 @@ end function
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!end subroutine
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subroutine constitutive_LpAndItsTangent(Tstar_v,ipc,ip,el,Lp,dLp_dTstar)
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subroutine constitutive_LpAndItsTangent(Tstar_v_m,ipc,ip,el,Lp,dLp_dTstar)
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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 *
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!* - Tstar_v_m : 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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@ -847,7 +862,7 @@ implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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integer(pInt) matID,i,k,l,m,n
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real(pReal) Tstar_v(6)
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real(pReal) Tstar_v(6),Tstar_v_m(6)
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real(pReal) Lp(3,3)
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real(pReal) dLp_dTstar(3,3,3,3)
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real(pReal), dimension(constitutive_matID(ipc,ip,el)) :: gdot_slip
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@ -857,6 +872,11 @@ real(preal), dimension(constitutive_matID(ipc,ip,el)) :: tau_slip
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!* Get the material-ID from the triplet(ipc,ip,el)
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matID=constitutive_matID(ipc,ip,el)
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!* Tstar_v tranformed
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Tstar_v(4)=Tstar_v_m(4)/dsqrt(2.0_pReal)
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Tstar_v(5)=Tstar_v_m(5)/dsqrt(2.0_pReal)
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Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal)
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!* Calculation of Lp
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Lp=0.0_pReal
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do i=1,material_Nslip(matID)
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@ -878,12 +898,12 @@ return
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end subroutine
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function constitutive_DotState(Tstar_v,ipc,ip,el)
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function constitutive_DotState(Tstar_v_m,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 *
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!* - Tstar_v_m : 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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@ -896,7 +916,7 @@ implicit none
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!* Definition of variables
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integer(pInt) ipc,ip,el
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integer(pInt) matID,i
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real(pReal) Tstar_v(6)
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real(pReal) Tstar_v(6),Tstar_v_m(6)
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real(pReal), dimension(constitutive_matID(ipc,ip,el)) :: constitutive_DotState
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real(pReal), dimension(constitutive_matID(ipc,ip,el)) :: gdot_slip
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real(pReal), dimension(constitutive_matID(ipc,ip,el)) :: tau_slip
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@ -905,8 +925,13 @@ real(pReal), dimension(constitutive_matID(ipc,ip,el)) :: self_hardening
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!* Get the material-ID from the triplet(ipc,ip,el)
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matID=constitutive_matID(ipc,ip,el)
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!* Tstar_v tranformed
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Tstar_v(4)=Tstar_v_m(4)/dsqrt(2.0_pReal)
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Tstar_v(5)=Tstar_v_m(5)/dsqrt(2.0_pReal)
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Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal)
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!* Self-Hardening of each system
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do i=1,material_Nslip(matID)
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do i=1,constitutive_Nstatevars(ipc,ip,el)
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tau_slip(i)=dot_product(Tstar_v,constitutive_Sslip_v(:,i,material_CrystalStructure(matID)))
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gdot_slip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**material_n_slip(matID)*sign(1.0_pReal,tau_slip(i))
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self_hardening(i)=material_h0(matID)*(1.0_pReal-constitutive_state_new(i,ipc,ip,el)/material_s_sat(matID))**material_w0(matID)*abs(gdot_slip(i))
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