From c3ab69864983273fd429112725f0d8c1237ee3bb Mon Sep 17 00:00:00 2001 From: Luc Hantcherli Date: Thu, 29 Mar 2007 11:13:40 +0000 Subject: [PATCH] Added use of sample_Gauss, sample_Fiber, Sample_Radom --- trunk/constitutive.f90 | 63 +++++++++++++++++++----------------------- 1 file changed, 28 insertions(+), 35 deletions(-) diff --git a/trunk/constitutive.f90 b/trunk/constitutive.f90 index 085f66cb0..5ace6b7d2 100644 --- a/trunk/constitutive.f90 +++ b/trunk/constitutive.f90 @@ -162,7 +162,8 @@ data constitutive_sd(:,12,3)/ 1, 1, 0/ ; data constitutive_sn(:,12,3)/ 1,-1, 1/ !* Slip-slip interactions matrices !* (defined for the moment as crystal structure property and not as material property) !* (may be changed in the future) -real(pReal), dimension(constitutive_MaxMaxNslipOfStructure,constitutive_MaxMaxNslipOfStructure,constitutive_MaxCrystalStructure) :: constitutive_HardeningMatrix +real(pReal), dimension(constitutive_MaxMaxNslipOfStructure,constitutive_MaxMaxNslipOfStructure,& + constitutive_MaxCrystalStructure) :: constitutive_HardeningMatrix real(pReal), parameter :: constitutive_LatentHardening=1.4_pReal !************************************* @@ -206,9 +207,7 @@ integer(pInt),dimension(:) , allocatable :: texture_NFiber integer(pInt),dimension(:) , allocatable :: texture_NRandom real(pReal), dimension(:,:,:) , allocatable :: texture_Gauss real(pReal), dimension(:,:,:) , allocatable :: texture_Fiber -real(pReal), dimension(:,:,:) , allocatable :: constitutive_phi1 -real(pReal), dimension(:,:,:) , allocatable :: constitutive_phi -real(pReal), dimension(:,:,:) , allocatable :: constitutive_phi2 +real(pReal), dimension(:,:,:,:), allocatable :: constitutive_EulerAngles !************************************ !* State variables * @@ -285,7 +284,8 @@ do l=1,3 constitutive_Sslip(i,j,k,l)=constitutive_sd(i,k,l)*constitutive_sn(j,k,l) endforall !* Normalization of Schmid matrix - invNorm=dsqrt(1.0_pReal/((constitutive_sn(1,k,l)**2+constitutive_sn(2,k,l)**2+constitutive_sn(3,k,l)**2)*(constitutive_sd(1,k,l)**2+constitutive_sd(2,k,l)**2+constitutive_sd(3,k,l)**2))) + invNorm=dsqrt(1.0_pReal/((constitutive_sn(1,k,l)**2+constitutive_sn(2,k,l)**2+constitutive_sn(3,k,l)**2)*& + (constitutive_sd(1,k,l)**2+constitutive_sd(2,k,l)**2+constitutive_sd(3,k,l)**2))) constitutive_Sslip(:,:,k,l)=constitutive_Sslip(:,:,k,l)*invNorm !* Vectorization of normalized Schmid matrix !* according MARC component order 11,22,33,12,23,13 @@ -787,12 +787,8 @@ allocate(constitutive_MatVolFrac(constitutive_maxNgrains,mesh_maxNips,mesh_NcpEl constitutive_MatVolFrac=0.0_pReal allocate(constitutive_TexVolFrac(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) constitutive_TexVolFrac=0.0_pReal -allocate(constitutive_phi1(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) -constitutive_phi1=0.0_pReal -allocate(constitutive_phi(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) -constitutive_phi=0.0_pReal -allocate(constitutive_phi2(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) -constitutive_phi2=0.0_pReal +allocate(constitutive_EulerAngles(3,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) +constitutive_EulerAngles=0.0_pReal !* State variables constitutive_maxNstatevars=material_maxNslip allocate(constitutive_Nstatevars(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) @@ -822,14 +818,8 @@ do i=1,mesh_NcpElems constitutive_phi1(l,j,i)=texture_Gauss(1,k,texID) constitutive_phi(l,j,i)=texture_Gauss(2,k,texID) constitutive_phi2(l,j,i)=texture_Gauss(3,k,texID) -! if (constitutive_phi1(l,j,i)==400*inRad) then -! call math_halton_ori() -! else -! call math_gauss() -! endif -! constitutive_phi1(l,j,i)=texture_Gauss(1,k,mesh_element(4,i)) -! constitutive_phi(l,j,i)=texture_Gauss(2,k,mesh_element(4,i)) -! constitutive_phi2(l,j,i)=texture_Gauss(3,k,mesh_element(4,i)) + !* Use of sample_Gauss + constitutive_EulerAngles(:,l,j,i)=sample_Gauss(texture_Gauss(1:3,k,texID),texture_Gauss(4.k,texID)) enddo enddo !* Fiber component @@ -838,10 +828,9 @@ do i=1,mesh_NcpElems constitutive_matID(l,j,i)=matID constitutive_texID(l,j,i)=texID constitutive_MatVolFrac(l,j,i)=1.0_pReal - constitutive_TexVolFrac(l,j,i)=texture_Fiber(6,k,texID)/multiplicity -! constitutive_phi1(l,j,i)=texture_Fiber(1,k,mesh_element(4,i)) -! constitutive_phi(l,j,i)=texture_Fiber(2,k,mesh_element(4,i)) -! constitutive_phi2(l,j,i)=texture_Fiber(3,k,mesh_element(4,i)) + constitutive_TexVolFrac(l,j,i)=texture_Fiber(6,k,texID)/multiplicity + !* Use of sample_Fiber + constitutive_EulerAngles(:,l,j,i)=sample_Fiber(texture_Fiber(1:4,k,texID),texture_Fiber(5,k,texID)) enddo enddo !* Random component @@ -850,15 +839,13 @@ do i=1,mesh_NcpElems constitutive_matID(l,j,i)=matID constitutive_texID(l,j,i)=texID constitutive_MatVolFrac(l,j,i)=1.0_pReal - constitutive_TexVolFrac(l,j,i)=(1.0_pReal-texture_Gauss(5,k,texID)-texture_Fiber(6,k,texID))/multiplicity -! constitutive_phi1(l,j,i)=texture_Fiber(1,k,mesh_element(4,i)) -! constitutive_phi(l,j,i)=texture_Fiber(2,k,mesh_element(4,i)) -! constitutive_phi2(l,j,i)=texture_Fiber(3,k,mesh_element(4,i)) + constitutive_TexVolFrac(l,j,i)=(1.0_pReal-texture_Gauss(5,k,texID)-texture_Fiber(6,k,texID))/multiplicity + constitutive_EulerAngles(:,l,j,i)=sample_Random() enddo enddo - enddo + enddo ! End of ip endif -enddo +enddo ! End of cp_element !* Initialization of state variables @@ -948,16 +935,19 @@ Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal) Lp=0.0_pReal do i=1,material_Nslip(matID) tau_slip(i)=dot_product(Tstar_v,constitutive_Sslip_v(:,i,material_CrystalStructure(matID))) - 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)) + 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)) Lp=Lp+gdot_slip(i)*constitutive_Sslip(:,:,i,material_CrystalStructure(matID)) enddo !* Calculation of the tangent of Lp dLp_dTstar=0.0_pReal do i=1,material_Nslip(matID) - dgdot_dtauslip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**(material_n_slip(matID)-1.0_pReal)*material_n_slip(matID)/constitutive_state_new(i,ipc,ip,el) + dgdot_dtauslip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**& + (material_n_slip(matID)-1.0_pReal)*material_n_slip(matID)/constitutive_state_new(i,ipc,ip,el) forall (k=1:3,l=1:3,m=1:3,n=1:3) - dLp_dTstar(k,l,m,n)=dLp_dTstar(k,l,m,n)+constitutive_Sslip(k,l,i,material_CrystalStructure(matID))*constitutive_Sslip(m,n,i,material_CrystalStructure(matID))*dgdot_dtauslip(i) + dLp_dTstar(k,l,m,n)=dLp_dTstar(k,l,m,n)+constitutive_Sslip(k,l,i,material_CrystalStructure(matID))*& + constitutive_Sslip(m,n,i,material_CrystalStructure(matID))*dgdot_dtauslip(i) endforall enddo @@ -1000,12 +990,15 @@ Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal) !* Self-Hardening of each system do i=1,constitutive_Nstatevars(ipc,ip,el) tau_slip(i)=dot_product(Tstar_v,constitutive_Sslip_v(:,i,material_CrystalStructure(matID))) - 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)) - 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)) + 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)) + 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)) enddo !* Hardening for all systems -constitutive_DotState=matmul(constitutive_HardeningMatrix(1:material_Nslip(matID),1:material_Nslip(matID),material_CrystalStructure(matID)),self_hardening) +constitutive_DotState=matmul(constitutive_HardeningMatrix(1:material_Nslip(matID),1:material_Nslip(matID),& + material_CrystalStructure(matID)),self_hardening) return end function