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DAMASK_EICMD
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no calculation of Lp and dLp_dTstar in first loop

This commit is contained in:
Christoph Kords 2009-03-06 13:30:22 +00:00
parent f845b9dc87
commit a8ab5be60c
1 changed files with 24 additions and 15 deletions
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13
trunk/constitutive_j2.f90
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@ -289,6 +289,12 @@ subroutine constitutive_j2_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,sta
squarenorm_Tstar = math_mul6x6(Tstar_v,Tstar_v)
norm_Tstar = dsqrt(squarenorm_Tstar)
!* Initialization of Lp and dLp_dTstar
Lp = 0.0_pReal
dLp_dTstar = 0.0_pReal
!* for Tstar==0 both Lp and dLp_dTstar are zero (if not n==1)
if (norm_Tstar > 0) then
!* Calculation of Lp
Lp = Tstar33/norm_Tstar*constitutive_j2_gdot0(matID)/constitutive_j2_fTaylor(matID)* &
(dsqrt(1.5_pReal)/constitutive_j2_fTaylor(matID)*norm_Tstar/state(ipc,ip,el)%p(1))**constitutive_j2_n(matID)
@ -297,15 +303,18 @@ subroutine constitutive_j2_LpAndItsTangent(Lp,dLp_dTstar,Tstar_v,Temperature,sta
factor = constitutive_j2_gdot0(matID)/constitutive_j2_fTaylor(matID)* &
(dsqrt(1.5_pReal)/ constitutive_j2_fTaylor(matID)/state(ipc,ip,el)%p(1))**constitutive_j2_n(matID) * &
norm_Tstar**(constitutive_j2_n(matID)-1.0_pReal)
dLp_dTstar3333 = 0.0_pReal
dLp_dTstar = 0.0_pReal
forall (k=1:3,l=1:3,m=1:3,n=1:3) &
dLp_dTstar3333(k,l,m,n) = Tstar33(k,l)*Tstar33(m,n) * (constitutive_j2_n(matID)-1.0_pReal)/squarenorm_Tstar
forall (k=1:3,l=1:3) &
dLp_dTstar3333(k,l,k,l) = dLp_dTstar3333(k,l,k,l) + 1.0_pReal
dLp_dTstar = math_Plain3333to99(factor * dLp_dTstar3333)
end if
! if ((ipc==1) .and. (ip==1) .and. (el==1)) then
! write(6,*) 'Lp: ', Lp
! write(6,*) 'dLp_dTstar: ', dLp_dTstar
! end if
return
end subroutine