cpfe_general now returns also Kirchhoff-stress P and dPdF

added dummy variables P and dPdF to mpie_cpfe_* to be able to call cpfem_general correctly

code/CPFEM.f90

@@ -63,7 +63,8 @@ endsubroutine
 !***    perform initialization at first call, update variables and   ***
 !***    call the actual material model                               ***
 !***********************************************************************
-subroutine CPFEM_general(mode, ffn, ffn1, Temperature, dt, element, IP, cauchyStress, jacobian)
+subroutine CPFEM_general(mode, ffn, ffn1, Temperature, dt, element, IP, cauchyStress,&
+      & jacobian, pstress, dPdF)
   ! note: cauchyStress = Cauchy stress cs(6) and jacobian = Consistent tangent dcs/dE
 
   !*** variables and functions from other modules ***!
@@ -153,13 +154,15 @@ subroutine CPFEM_general(mode, ffn, ffn1, Temperature, dt, element, IP, cauchySt
   !*** output variables ***!
   real(pReal), dimension(6), intent(out) ::           cauchyStress        ! stress vector in Mandel notation
   real(pReal), dimension(6,6), intent(out) ::         jacobian            ! jacobian in Mandel notation
-  
+  real(pReal), dimension (3,3), intent(out) ::        pstress                   ! Piola-Kirchhoff stress in Matrix notation
+  real(pReal), dimension (3,3,3,3), intent(out) ::    dPdF                ! 
+                 
   !*** local variables ***!
   real(pReal)                                         J_inverse, &        ! inverse of Jacobian
                                                       rnd
-  real(pReal), dimension (3,3) ::                     Kirchhoff
+  real(pReal), dimension (3,3) ::                     Kirchhoff           ! Piola-Kirchhoff stress in Matrix notation
-  real(pReal), dimension (3,3,3,3) ::                 H, &
+  real(pReal), dimension (3,3,3,3) ::                 H_sym, &
-                                                      H_sym
+                                                      H
   integer(pInt)                                       cp_en, &            ! crystal plasticity element number
                                                       i, &
                                                       j, &
@@ -356,6 +359,10 @@ subroutine CPFEM_general(mode, ffn, ffn1, Temperature, dt, element, IP, cauchySt
   ! return the local stress and the jacobian from storage
   cauchyStress(:) = CPFEM_cs(:,IP,cp_en)
   jacobian(:,:)   = CPFEM_dcsdE(:,:,IP,cp_en)
+  
+  ! copy P and dPdF to the output variables 
+  pstress(:,:) = materialpoint_P(:,:,IP,cp_en)
+  dPdF(:,:,:,:)  = materialpoint_dPdF(:,:,:,:,IP,cp_en)
   if (debugger .and. selectiveDebugger) then
     !$OMP CRITICAL (write2out)
       write(6,'(a16,x,i2,x,a2,x,i4,/,6(f10.3,x)/)') 'stress/MPa at ip', IP, 'el', cp_en, cauchyStress/1e6

code/mpie_cpfem_abaqus_exp.f

@@ -159,7 +159,8 @@ subroutine vumat (jblock, ndir, nshr, nstatev, nfieldv, nprops, lanneal, &
  dimension nElement(nblock),nMatPoint(nblock)
 
  character*80 cmname
-
+ real(pReal), dimension (3,3) :: pstress                ! not used, but needed for call of cpfem_general
+ real(pReal), dimension (3,3,3,3) :: dPdF               ! not used, but needed for call of cpfem_general
 ! local variables
  real(pReal), dimension(3,3) :: defgrd0,defgrd1
  real(pReal), dimension(6) ::   stress
@@ -241,7 +242,7 @@ subroutine vumat (jblock, ndir, nshr, nstatev, nfieldv, nprops, lanneal, &
      defgrd1(3,2) = defgradNew(n,8)
    endif
 
-   call CPFEM_general(computationMode,defgrd0,defgrd1,temp,timeInc,nElement(n),nMatPoint(n),stress,ddsdde)
+   call CPFEM_general(computationMode,defgrd0,defgrd1,temp,timeInc,nElement(n),nMatPoint(n),stress,ddsdde, pstress, dPdF)
   
   !     Mandel:     11, 22, 33, SQRT(2)*12, SQRT(2)*23, SQRT(2)*13
   !     straight:   11, 22, 33, 12, 23, 13

code/mpie_cpfem_abaqus_std.f

@@ -117,6 +117,8 @@ subroutine UMAT(STRESS,STATEV,DDSDDE,SSE,SPD,SCD,&
        DFGRD0(3,3),DFGRD1(3,3)
  real(pReal) SSE, SPD, SCD, RPL, DRPLDT, DTIME, TEMP,&
         DTEMP, PNEWDT, CELENT
+ real(pReal), dimension (3,3) :: pstress             ! not used, but needed for call of cpfem_general
+ real(pReal), dimension (3,3,3,3) :: dPdF            ! not used, but needed for call of cpfem_general
 
 ! local variables
  real(pReal), dimension(6) ::   stress_h
@@ -209,7 +211,7 @@ subroutine UMAT(STRESS,STATEV,DDSDDE,SSE,SPD,SCD,&
    !$OMP END CRITICAL (write2out)
  endif
    
- call CPFEM_general(computationMode,dfgrd0,dfgrd1,temp,dtime,noel,npt,stress_h,ddsdde_h)
+ call CPFEM_general(computationMode,dfgrd0,dfgrd1,temp,dtime,noel,npt,stress_h,ddsdde_h, pstress, dPdF)
 
 !     Mandel:              11, 22, 33, SQRT(2)*12, SQRT(2)*23, SQRT(2)*13
 !     straight:            11, 22, 33, 12, 23, 13

code/mpie_cpfem_marc.f90

@@ -217,6 +217,9 @@ subroutine hypela2(&
 
  real(pReal), dimension(6) ::   stress
  real(pReal), dimension(6,6) :: ddsdde
+ 
+ real(pReal), dimension (3,3) :: pstress              ! not used, but needed for call of cpfem_general
+ real(pReal), dimension (3,3,3,3) :: dPdF            ! not used, but needed for call of cpfem_general
 
  integer(pInt) computationMode, i, cp_en
 
@@ -286,7 +289,7 @@ subroutine hypela2(&
    lastMode = calcMode(nn,cp_en)                                          ! record calculationMode
  endif
 
- call CPFEM_general(computationMode,ffn,ffn1,t(1),timinc,n(1),nn,stress,ddsdde)
+ call CPFEM_general(computationMode,ffn,ffn1,t(1),timinc,n(1),nn,stress,ddsdde, pstress, dPdF)
 
 !     Mandel: 11, 22, 33, SQRT(2)*12, SQRT(2)*23, SQRT(2)*13
 !     Marc:   11, 22, 33, 12, 23, 13