avoid conversions

src/homogenization_mechanical_RGC.f90

@@ -643,17 +643,17 @@ module function RGC_updateState(P,F,avgF,dt,dPdF,ce) result(doneAndHappy)
   !-------------------------------------------------------------------------------------------------
   !> @brief compute the equivalent shear and bulk moduli from the elasticity tensor
   !-------------------------------------------------------------------------------------------------
-  real(pReal) function equivalentMu(grainID,ce)
+  real(pReal) function equivalentMu(co,ce)
 
     integer, intent(in)    :: &
-      grainID,&
+      co,&
       ce
 
     real(pReal), dimension(6,6) :: C
 
 
-    C = phase_homogenizedC66(material_phaseID(grainID,ce),material_phaseEntry(grainID,ce))
-    equivalentMu = lattice_equivalent_mu(C,'voigt')
+    C = phase_homogenizedC66(material_phaseID(co,ce),material_phaseEntry(co,ce))
+    equivalentMu = lattice_equivalent_mu(math_sym3333to66(math_Voigt66to3333(C)),'voigt')           !ToDo: Bug, should be Voigt not sym
 
   end function equivalentMu
 

src/phase.f90

@@ -234,10 +234,10 @@ module phase
       integer, intent(in) :: ph, en
       real(pReal), dimension(6,6) :: C
     end function phase_homogenizedC66
-    module function phase_damage_C66(C66,ph,en)
+    module function phase_damage_C66(C66,ph,en) result(C66_degraded)
       real(pReal), dimension(6,6), intent(in)  :: C66
       integer,                     intent(in)  :: ph,en
-      real(pReal), dimension(6,6) :: phase_damage_C66
+      real(pReal), dimension(6,6) :: C66_degraded
     end function phase_damage_C66
 
     module function phase_f_phi(phi,co,ce) result(f)

src/phase_damage.f90

@@ -151,18 +151,18 @@ end function phase_damage_constitutive
 !--------------------------------------------------------------------------------------------------
 !> @brief returns the degraded/modified elasticity matrix
 !--------------------------------------------------------------------------------------------------
-module function phase_damage_C66(C66,ph,en)
+module function phase_damage_C66(C66,ph,en) result(C66_degraded)
 
   real(pReal), dimension(6,6), intent(in)  :: C66
   integer,                     intent(in)  :: ph,en
-  real(pReal), dimension(6,6) :: phase_damage_C66
+  real(pReal), dimension(6,6) :: C66_degraded
 
 
   damageType: select case (phase_damage(ph))
     case (DAMAGE_ISOBRITTLE_ID) damageType
-     phase_damage_C66 = C66 * damage_phi(ph,en)**2
+     C66_degraded = C66 * damage_phi(ph,en)**2
     case default damageType
-     phase_damage_C66 = C66
+     C66_degraded = C66
   end select damageType
 
 end function phase_damage_C66

src/phase_damage_isobrittle.f90

@@ -96,6 +96,7 @@ end function isobrittle_init
 
 !--------------------------------------------------------------------------------------------------
 !> @brief calculates derived quantities from state
+! ToDo: Use Voigt directly
 !--------------------------------------------------------------------------------------------------
 module subroutine isobrittle_deltaState(C, Fe, ph,en)
 
@@ -109,13 +110,16 @@ module subroutine isobrittle_deltaState(C, Fe, ph,en)
     epsilon
   real(pReal) :: &
     r_W
+  real(pReal), dimension(6,6) :: &
+    C_sym
 
 
+  C_sym = math_sym3333to66(math_Voigt66to3333(C))
   epsilon = 0.5_pReal*math_sym33to6(matmul(transpose(Fe),Fe)-math_I3)
 
   associate(prm => param(ph), stt => state(ph), dlt => deltaState(ph))
 
-    r_W = 2.0_pReal*dot_product(epsilon,matmul(C,epsilon))/prm%W_crit
+    r_W = 2.0_pReal*dot_product(epsilon,matmul(C_sym,epsilon))/prm%W_crit
     dlt%r_W(en) = merge(r_W - stt%r_W(en), 0.0_pReal, r_W > stt%r_W(en))
 
   end associate

src/phase_mechanical_elastic.f90

@@ -152,7 +152,7 @@ module subroutine phase_hooke_SandItsTangents(S, dS_dFe, dS_dFi, &
     i, j
 
 
-  C = math_66toSym3333(phase_damage_C66(phase_homogenizedC66(ph,en),ph,en))
+  C = math_Voigt66to3333(phase_damage_C66(phase_homogenizedC66(ph,en),ph,en))
 
   E = 0.5_pReal*(matmul(transpose(Fe),Fe)-math_I3)                                                  !< Green-Lagrange strain in unloaded configuration
   S = math_mul3333xx33(C,matmul(matmul(transpose(Fi),E),Fi))                                        !< 2PK stress in lattice configuration in work conjugate with GL strain pulled back to lattice configuration
@@ -176,9 +176,9 @@ module function phase_homogenizedC66(ph,en) result(C)
 
   plasticType: select case (phase_plasticity(ph))
     case (PLASTICITY_DISLOTWIN_ID) plasticType
-     C = plastic_dislotwin_homogenizedC(ph,en)
+     C = math_3333toVoigt66(math_66toSym3333(plastic_dislotwin_homogenizedC(ph,en)))
     case default plasticType
-     C = math_sym3333to66(math_Voigt66to3333(elastic_C66(ph,en)))
+     C = elastic_C66(ph,en)
   end select plasticType
 
 end function phase_homogenizedC66