!!!!! IMPORTANT !!!!!
All subroutines were committed at once: - constitutive_pheno works - constitutive_dislo without twinning also works This release should serve as reference
This commit is contained in:
Luc Hantcherli
parent
3ef451824c
commit
fe70a82d6d
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@ -116,7 +116,6 @@
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real(pReal) ffn(3,3), ffn1(3,3), Temperature, CPFEM_dt, CPFEM_stress(CPFEM_ngens), CPFEM_jaco(CPFEM_ngens,CPFEM_ngens)
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logical CPFEM_stress_recovery
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!
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Temperature = 293.0_pReal
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! calculate only every second cycle
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if(mod(CPFEM_cn,2)==0) then
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! really calculate only in first call of new cycle and when in stress recovery
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@ -151,7 +150,6 @@ if(mod(CPFEM_cn,2)==0) then
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! this shall be done in a parallel loop in the future
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do e=1,mesh_NcpElems
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do i=1,FE_Nips(FE_mapElemtype(mesh_element(2,e)))
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write(6,*) 'Debut', e,i
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call CPFEM_stressIP(CPFEM_cn, CPFEM_dt, i, e)
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enddo
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enddo
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@ -330,8 +328,6 @@ if(mod(CPFEM_cn,2)==0) then
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real(pReal), dimension(6,6) :: dcs_de
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real(pReal), dimension(constitutive_Nstatevars(grain,CPFEM_in,cp_en)) :: state_old,state_new,state_pert
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write(6,*)
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write(6,*) 'SOLUTION'
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call CPFEM_timeIntegration(msg,Fp_new,Fe_new,Tstar_v,state_new, & ! def gradients and PK2 at end of time step
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dt,cp_en,CPFEM_in,grain,Fg_new,Fp_old,state_old)
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@ -346,9 +342,7 @@ if(mod(CPFEM_cn,2)==0) then
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Fg_pert = Fg_new+matmul(E_pert,Fg_old) ! perturbated Fg
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Tstar_v_pert = Tstar_v ! initial guess from end of time step
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state_pert = state_new ! initial guess from end of time step
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write(6,*)
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write(6,*) 'CONSISTENT TANGENT', i
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state_pert = state_new ! initial guess from end of time step
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call CPFEM_timeIntegration(msg,Fp_pert,Fe_pert,Tstar_v_pert,state_pert, &
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dt,cp_en,CPFEM_in,grain,Fg_pert,Fp_old,state_old)
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if (msg /= 'ok') then
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@ -360,14 +354,6 @@ if(mod(CPFEM_cn,2)==0) then
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enddo
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endif
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write(6,*) 'OPERATEUR TANGENTE'
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write(6,*) dcs_de(1,:)
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write(6,*) dcs_de(2,:)
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write(6,*) dcs_de(3,:)
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write(6,*) dcs_de(4,:)
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write(6,*) dcs_de(5,:)
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write(6,*) dcs_de(6,:)
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return
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END SUBROUTINE
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@ -394,7 +380,7 @@ if(mod(CPFEM_cn,2)==0) then
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use prec
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use constitutive, only: constitutive_Nstatevars,&
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constitutive_homogenizedC,constitutive_dotState,constitutive_LpAndItsTangent,&
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constitutive_Microstructure
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constitutive_Microstructure
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use math
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implicit none
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@ -437,10 +423,10 @@ state: do ! outer iteration: state
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endif
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call constitutive_Microstructure(state_new,CPFEM_Temperature(CPFEM_in,cp_en),grain,CPFEM_in,cp_en)
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C_66 = constitutive_HomogenizedC(state_new, grain, CPFEM_in, cp_en)
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iStress = 0_pInt
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stress: do ! inner iteration: stress
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iStress = iStress+1
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write(6,*) 'istate,istress', istate, istress
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if (iStress > nStress) then ! too many loops required
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msg = 'limit stress iteration'
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return
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@ -462,9 +448,6 @@ stress: do ! inner iteration: stress
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dTstar_v=0.5*dTstar_v
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cycle
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endif
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write(6,*) 'Tstar_v', Tstar_v
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write(6,*) 'dTstar_v', dTstar_v
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!write(6,*) 'norm stress', maxval(abs(Rstress/maxval(abs(Tstar_v))))
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if (iStress > 1 .and. &
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(maxval(abs(Tstar_v)) < abstol_Stress .or. maxval(abs(Rstress/maxval(abs(Tstar_v)))) < reltol_Stress)) exit stress
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@ -480,9 +463,9 @@ stress: do ! inner iteration: stress
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enddo
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enddo
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enddo
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enddo
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Jacobi = math_identity2nd(6) + 0.5_pReal*dt*matmul(C_66,math_Mandel3333to66(LTL))
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j = 0_pInt
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enddo
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Jacobi = math_identity2nd(6) + 0.5_pReal*dt*matmul(C_66,math_Mandel3333to66(LTL))
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j = 0_pInt
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call math_invert6x6(Jacobi,invJacobi,dummy,failed)
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do while (failed .and. j <= nReg)
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forall (i=1:6) Jacobi(i,i) = 1.05_pReal*maxval(Jacobi(i,:)) ! regularization
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@ -496,10 +479,14 @@ stress: do ! inner iteration: stress
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dTstar_v = matmul(invJacobi,Rstress) ! correction to Tstar
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Rstress_old=Rstress
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Tstar_v = Tstar_v-dTstar_v
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enddo stress
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Tstar_v = 0.5_pReal*matmul(C_66,math_Mandel33to6(matmul(transpose(B),AB)-math_I3))
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!if ((printer==1_pInt).AND.(CPFEM_in==1_pInt).AND.(cp_en==1_pInt)) then
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!write(6,'(A10, 12ES12.3)') 'state_new', state_new
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!write(6,'(A10, 6ES12.3)') 'Tstar_v', Tstar_v
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!endif
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dstate = dt*constitutive_dotState(Tstar_v,state_new,CPFEM_Temperature(CPFEM_in,cp_en),grain,CPFEM_in,cp_en) ! evolution of microstructure
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Rstate = state_new - (state_old+dstate)
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RstateS = 0.0_pReal
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@ -507,12 +494,9 @@ stress: do ! inner iteration: stress
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RstateS(i) = Rstate(i)/state_new(i)
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state_new = state_old+dstate
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write(6,*) 'norm state', maxval(abs(RstateS))
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if (maxval(abs(RstateS)) < reltol_State) exit state
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enddo state
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! write(999,*) 'Tstar_v raus', Tstar_v
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! write(999,*)
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invFp_new = matmul(invFp_old,B)
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call math_invert3x3(invFp_new,Fp_new,det,failed)
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@ -499,10 +499,10 @@
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END FUNCTION
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!********************************************************************
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!*********************************************************************
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! read consecutive lines of ints concatenated by "c" as last char
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! or range of values a "to" b
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!********************************************************************
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!*********************************************************************
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FUNCTION IO_continousIntValues (unit,maxN,lookupName,lookupMap,lookupMaxN)
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use prec, only: pReal,pInt
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@ -349,7 +349,7 @@ do while(.true.)
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case ('burgers')
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material_bg(section)=IO_floatValue(line,positions,2)
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write(6,*) 'burgers', material_bg(section)
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case ('Qedge')
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case ('qedge')
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material_Qedge(section)=IO_floatValue(line,positions,2)
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write(6,*) 'Qedge', material_Qedge(section)
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case ('tau0')
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@ -925,11 +925,15 @@ constitutive_rho_p=matmul(constitutive_Pparallel(1:material_Nslip(matID),1:mater
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do i=1,material_Nslip(matID)
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constitutive_passing_stress(i)=material_tau0(matID)+material_c1(matID)*material_Gmod(matID)*material_bg(matID)*&
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sqrt(constitutive_rho_p(i))
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constitutive_jump_width(i)=material_c2(matID)/sqrt(constitutive_rho_f(i))
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constitutive_activation_volume(i)=material_c3(matID)*constitutive_jump_width(i)*material_bg(matID)**2.0_pReal
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constitutive_rho_m(i)=(2.0_pReal*Kb*Tp*sqrt(constitutive_rho_p(i)))/&
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(material_c1(matID)*material_c3(matID)*material_Gmod(matID)*constitutive_jump_width(i)*&
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material_bg(matID)**3.0_pReal)
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constitutive_g0_slip(i)=constitutive_rho_m(i)*material_bg(matID)*attack_frequency*constitutive_jump_width(i)*&
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exp(-(material_Qedge(matID)+constitutive_passing_stress(i)*constitutive_activation_volume(i))/&
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(Kb*Tp))
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@ -949,15 +953,6 @@ do i=1,material_Ntwin(matID)
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constitutive_twin_volume(i)=(pi/6.0_pReal)*material_StackSize(matID)*constitutive_twin_mfp(i)**2.0_pReal
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enddo
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!write(6,*) 'rho_f', constitutive_rho_f
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!write(6,*) 'rho_p', constitutive_rho_p
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!write(6,*) 'passing', constitutive_passing_stress
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!write(6,*) 'jump_width', constitutive_jump_width
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!write(6,*) 'activation_volume', constitutive_activation_volume
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!write(6,*) 'Temperature', Tp
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!write(6,*) 'rho_m', constitutive_rho_m
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!write(6,*) 'g0_slip', constitutive_g0_slip
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return
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end subroutine
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@ -994,18 +989,19 @@ real(pReal), dimension(constitutive_Nstatevars(ipc,ip,el)) :: state
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matID = constitutive_matID(ipc,ip,el)
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startIdxTwin = material_Nslip(matID)
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!* Recompute arrays from the microstructure (may be not needed)
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call constitutive_Microstructure(state,Tp,ipc,ip,el)
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!* Calculation of Lp - slip
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Ftwin = sum(state((startIdxTwin+1):(startIdxTwin+material_Ntwin(matID))))
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Lp = 0.0_pReal
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do i=1,material_Nslip(matID)
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constitutive_tau_slip(i)=dot_product(Tstar_v,crystal_Sslip_v(:,i,material_CrystalStructure(matID)))
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constitutive_gdot_slip(i)=constitutive_g0_slip(i)*sinh((abs(constitutive_tau_slip(i))*&
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constitutive_activation_volume(i))/(Kb*Tp))*sign(1.0_pReal,constitutive_tau_slip(i))
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constitutive_dgdot_dtauslip(i)=((constitutive_g0_slip(i)*constitutive_activation_volume(i))/(Kb*Tp))*&
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cosh((abs(constitutive_tau_slip(i))*constitutive_activation_volume(i))/(Kb*Tp))
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if (abs(constitutive_tau_slip(i))<constitutive_passing_stress(i)) then
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constitutive_gdot_slip(i) = 0.0_pReal
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constitutive_dgdot_dtauslip(i) = 0.0_pReal
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else
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constitutive_gdot_slip(i)=constitutive_g0_slip(i)*sinh(constitutive_tau_slip(i)*constitutive_activation_volume(i)/Kb/Tp)
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constitutive_dgdot_dtauslip(i)=constitutive_g0_slip(i)*constitutive_activation_volume(i)/Kb/Tp*&
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cosh(constitutive_tau_slip(i)*constitutive_activation_volume(i)/Kb/Tp)
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endif
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Lp=Lp+(1.0_pReal-Ftwin)*constitutive_gdot_slip(i)*crystal_Sslip(:,:,i,material_CrystalStructure(matID))
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enddo
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@ -1038,8 +1034,6 @@ do i=1,material_Ntwin(matID)
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crystal_Stwin(:,:,i,material_CrystalStructure(matID))
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enddo
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!write(6,*) 'constitutive_gdot_slip'
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!write(6,*) constitutive_gdot_slip
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!* Calculation of the tangent of Lp
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dLp_dTstar=0.0_pReal
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@ -1100,9 +1094,6 @@ real(pReal), dimension(constitutive_Nstatevars(ipc,ip,el)) :: constitutive_dotSt
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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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!* Recompute arrays from the microstructure (may be not needed)
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call constitutive_Microstructure(state,Tp,ipc,ip,el)
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!* Hardening of each system
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do i=1,material_Nslip(matID)
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tau_slip = dot_product(Tstar_v,crystal_Sslip_v(:,i,material_CrystalStructure(matID)))
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@ -84,9 +84,9 @@ real(pReal), dimension(:,:,:) , allocatable :: constitutive_texVolFrac
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!* State variables *
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!************************************
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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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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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!************************************
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!* Hardening matrices *
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@ -310,7 +310,7 @@ implicit none
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!* Definition of variables
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integer(pInt) i,j,k,l
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real(pReal) invNorm
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real(pReal) norm_d,norm_t,norm_n
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!* Iteration over the crystal structures
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do l=1,crystal_MaxCrystalStructure
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@ -320,14 +320,16 @@ do l=1,crystal_MaxCrystalStructure
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crystal_st(1,k,l)=crystal_sn(2,k,l)*crystal_sd(3,k,l)-crystal_sn(3,k,l)*crystal_sd(2,k,l)
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crystal_st(2,k,l)=crystal_sn(3,k,l)*crystal_sd(1,k,l)-crystal_sn(1,k,l)*crystal_sd(3,k,l)
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crystal_st(3,k,l)=crystal_sn(1,k,l)*crystal_sd(2,k,l)-crystal_sn(2,k,l)*crystal_sd(1,k,l)
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norm_d=dsqrt(crystal_sd(1,k,l)**2+crystal_sd(2,k,l)**2+crystal_sd(3,k,l)**2)
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norm_t=dsqrt(crystal_st(1,k,l)**2+crystal_st(2,k,l)**2+crystal_st(3,k,l)**2)
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norm_n=dsqrt(crystal_sn(1,k,l)**2+crystal_sn(2,k,l)**2+crystal_sn(3,k,l)**2)
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crystal_sd(:,k,l)=crystal_sd(:,k,l)/norm_d
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crystal_st(:,k,l)=crystal_st(:,k,l)/norm_t
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crystal_sn(:,k,l)=crystal_sn(:,k,l)/norm_n
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!* Defintion of Schmid matrix
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forall (i=1:3,j=1:3)
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crystal_Sslip(i,j,k,l)=crystal_sd(i,k,l)*crystal_sn(j,k,l)
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endforall
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!* Normalization of Schmid matrix
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invNorm=dsqrt(1.0_pReal/((crystal_sn(1,k,l)**2+crystal_sn(2,k,l)**2+crystal_sn(3,k,l)**2)*&
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(crystal_sd(1,k,l)**2+crystal_sd(2,k,l)**2+crystal_sd(3,k,l)**2)))
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crystal_Sslip(:,:,k,l)=crystal_Sslip(:,:,k,l)*invNorm
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!* Vectorization of normalized Schmid matrix
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crystal_Sslip_v(1,k,l)=crystal_Sslip(1,1,k,l)
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crystal_Sslip_v(2,k,l)=crystal_Sslip(2,2,k,l)
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@ -344,16 +346,18 @@ do l=1,crystal_MaxCrystalStructure
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crystal_tt(1,k,l)=crystal_tn(2,k,l)*crystal_td(3,k,l)-crystal_tn(3,k,l)*crystal_td(2,k,l)
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crystal_tt(2,k,l)=crystal_tn(3,k,l)*crystal_td(1,k,l)-crystal_tn(1,k,l)*crystal_td(3,k,l)
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crystal_tt(3,k,l)=crystal_tn(1,k,l)*crystal_td(2,k,l)-crystal_tn(2,k,l)*crystal_td(1,k,l)
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norm_d=dsqrt(crystal_td(1,k,l)**2+crystal_td(2,k,l)**2+crystal_td(3,k,l)**2)
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norm_t=dsqrt(crystal_tt(1,k,l)**2+crystal_tt(2,k,l)**2+crystal_tt(3,k,l)**2)
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norm_n=dsqrt(crystal_tn(1,k,l)**2+crystal_tn(2,k,l)**2+crystal_tn(3,k,l)**2)
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crystal_td(:,k,l)=crystal_td(:,k,l)/norm_d
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crystal_tt(:,k,l)=crystal_tt(:,k,l)/norm_t
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crystal_tn(:,k,l)=crystal_tn(:,k,l)/norm_n
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!* Defintion of Schmid matrix and transformation matrices
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crystal_Qtwin(:,:,k,l)=-math_I3
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forall (i=1:3,j=1:3)
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crystal_Stwin(i,j,k,l)=crystal_td(i,k,l)*crystal_tn(j,k,l)
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crystal_Qtwin(i,j,k,l)=crystal_Qtwin(i,j,k,l)+2*crystal_tn(i,k,l)*crystal_tn(j,k,l)
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endforall
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!* Normalization of Schmid matrix
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invNorm=dsqrt(1.0_pReal/((crystal_tn(1,k,l)**2+crystal_tn(2,k,l)**2+crystal_tn(3,k,l)**2)*&
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(crystal_td(1,k,l)**2+crystal_td(2,k,l)**2+crystal_td(3,k,l)**2)))
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crystal_Stwin(:,:,k,l)=crystal_Stwin(:,:,k,l)*invNorm
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!* Vectorization of normalized Schmid matrix
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crystal_Stwin_v(1,k,l)=crystal_Stwin(1,1,k,l)
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crystal_Stwin_v(2,k,l)=crystal_Stwin(2,2,k,l)
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@ -114,7 +114,7 @@
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a(k,i) = a(k,j)
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a(k,j) = tmp
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enddo
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else ! if they do cross, exchange left value with pivot and return with the partition index
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else ! if they do cross, exchange left value with pivot and return with the partition index
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do k = 1,d
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tmp = a(k,istart)
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a(k,istart) = a(k,j)
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@ -1,28 +1,28 @@
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<materials>
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[Aluminium]
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[TWIP steel FeMnC]
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crystal_structure 1
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Nslip 12
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Ntwin 0
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## Elastic constants
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# Unit in [Pa]
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C11 106.75e9
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C12 60.41e9
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C44 28.34e9
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C11 245.0e9
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C12 105.0e9
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C44 65.0e9
|
||||
|
||||
## Parameters for phenomenological modeling
|
||||
# Unit in [Pa]
|
||||
s0_slip 31.0e6
|
||||
s0_slip 85.0e6
|
||||
gdot0_slip 0.001
|
||||
n_slip 20
|
||||
h0 75.0e6
|
||||
s_sat 63.0e6
|
||||
w0 2.25
|
||||
n_slip 100.0
|
||||
h0 355.0e6
|
||||
s_sat 265.0e6
|
||||
w0 1.0
|
||||
# Self and latent hardening coefficients
|
||||
hardening_coefficients 1.0 1.4
|
||||
|
||||
## Parameters for dislocation-based modeling
|
||||
# Initial dislocation density [m]²
|
||||
rho0 1.5e11
|
||||
rho0 2.8e13
|
||||
# Burgers vector [m]
|
||||
burgers 2.86e-10
|
||||
# Activation energy for dislocation glide [J/K]
|
||||
|
|
@ -34,31 +34,33 @@ c1 0.1
|
|||
# Jump width adjustment
|
||||
c2 2.0
|
||||
# Activation volume adjustment
|
||||
c3 0.4
|
||||
c3 1.2
|
||||
# Dislocation storage adjustment
|
||||
c4 20.0
|
||||
# = c4(Anxin)*c2(Anxin) !!!!!!
|
||||
c4 14.29
|
||||
# Athermal annihilation adjustment
|
||||
c7 20.0
|
||||
# Dislocation interaction coefficients
|
||||
interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5
|
||||
|
||||
# Twin parameters
|
||||
# Grain boundaries storage adjustment
|
||||
c5 1.0e100
|
||||
# Twin boundaries storage adjustment
|
||||
c6 1.0e100
|
||||
# Athermal annihilation adjustment
|
||||
c7 10.0
|
||||
# Dislocation interaction coefficients
|
||||
interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5
|
||||
# Twin parameters
|
||||
# grain size, average size of stacks of twins [m]
|
||||
grain_size 1.5e-5
|
||||
stack_size 5.0e-8
|
||||
# stacking fault energy
|
||||
stacking_fault_energy 2.0e-2
|
||||
# Twin reference [?], twin resistance [Pa], twin sensitivity
|
||||
twin_ref 1.0e-15
|
||||
twin_res 150.0e6
|
||||
twin_sens 10.0
|
||||
twin_reference 1.0e-15
|
||||
twin_resistance 150.0e6
|
||||
twin_sensitivity 10.0
|
||||
|
||||
|
||||
<textures>
|
||||
[cube SX]
|
||||
symmetry monoclinic /orthorhombic
|
||||
Ngrains 2 /4
|
||||
(gauss) phi1 0.0 phi 0.0 phi2 0.0 scatter 0.0 fraction 1.0
|
||||
symmetry no /monoclinic /orthorhombic
|
||||
Ngrains 1 /2 /4
|
||||
(gauss) phi1 0.0 phi 45.0 phi2 0.0 scatter 0.0 fraction 1.0
|
||||
|
|
|
|||
|
|
@ -830,7 +830,7 @@ matchFace: do j = 1,FE_NfaceNodes(-neighbor,t) ! count over nodes on matc
|
|||
write (6,*)
|
||||
|
||||
write (fmt,"(a,i3,a,a)") "(",1+mesh_maxValStateVar(1),"(i8)",")"
|
||||
do i=1,mesh_maxValStateVar(1) ! loop over all (possibly assigned) materials
|
||||
do i=1,mesh_maxValStateVar(1) ! loop over all (possibly assigned) materials
|
||||
write (6,fmt) i,mesh_MatTex(i,:) ! loop over all (possibly assigned) textures
|
||||
enddo
|
||||
write (6,*)
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@
|
|||
include "crystal.f90"
|
||||
include "constitutive.f90"
|
||||
include "CPFEM.f90"
|
||||
!
|
||||
|
||||
SUBROUTINE hypela2(d,g,e,de,s,t,dt,ngens,n,nn,kcus,matus,ndi,&
|
||||
nshear,disp,dispt,coord,ffn,frotn,strechn,eigvn,ffn1,&
|
||||
frotn1,strechn1,eigvn1,ncrd,itel,ndeg,ndm,&
|
||||
|
|
|
|||
|
|
@ -119,7 +119,7 @@
|
|||
!2 continue
|
||||
!3 continue
|
||||
!
|
||||
!
|
||||
|
||||
use prec, only: pReal,pInt
|
||||
use CPFEM, only: CPFEM_general
|
||||
implicit real(pReal) (a-h,o-z)
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@
|
|||
integer, parameter :: pInt = 4
|
||||
! *** Numerical parameters ***
|
||||
! *** How frequently the jacobian is recalculated ***
|
||||
integer (pInt), parameter :: ijaco = 5_pInt
|
||||
integer (pInt), parameter :: ijaco = 1_pInt
|
||||
! *** Maximum number of internal cutbacks in time step ***
|
||||
integer(pInt), parameter :: nCutback = 7_pInt
|
||||
! *** Maximum number of regularization attempts for Jacobi inversion ***
|
||||
|
|
|
|||
Loading…
Reference in New Issue