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moved all numerical parameters to prec.f90 

removed some unused variables
This commit is contained in:
Franz Roters 2007-03-29 07:15:12 +00:00
parent 11bb8faa3f
commit 4e68da3cf1
3 changed files with 45 additions and 54 deletions
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75
trunk/CPFEM.f90
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@ -1,4 +1,4 @@
! last modified 28.03.07 ! last modified 29.03.07
! --------------------------- ! ---------------------------
MODULE CPFEM MODULE CPFEM
! --------------------------- ! ---------------------------
@ -91,8 +91,6 @@
use constitutive use constitutive
! !
implicit none implicit none
!
integer(pInt) i
! !
! *** mpie.marc parameters *** ! *** mpie.marc parameters ***
allocate(CPFEM_ffn_all(3,3,mesh_maxNips,mesh_NcpElems)) allocate(CPFEM_ffn_all(3,3,mesh_maxNips,mesh_NcpElems))
@ -151,7 +149,7 @@
!*********************************************************************** !***********************************************************************
!*** This routine calculates the material behaviour *** !*** This routine calculates the material behaviour ***
!*********************************************************************** !***********************************************************************
use prec, only: pReal,pInt use prec, only: pReal,pInt, ijaco
! use IO, only: IO_error ! use IO, only: IO_error
use math use math
use mesh use mesh
@ -166,11 +164,6 @@
! *** Local variables *** ! *** Local variables ***
real(pReal) vf, cs(6), cd(6,6), CPFEM_d(6,6), CPFEM_s(6) real(pReal) vf, cs(6), cd(6,6), CPFEM_d(6,6), CPFEM_s(6)
integer(pInt) jpara,nori, iori, ising, icut, iconv, CPFEM_en integer(pInt) jpara,nori, iori, ising, icut, iconv, CPFEM_en
! *** Numerical parameters ***
! *** How often the jacobian is recalculated ***
integer (pInt), parameter :: ijaco = 5_pInt
! *** Reference shear rate for the calculation of CPFEM_timefactor ***
real (pReal), parameter :: dgs = 0.01_pReal
! !
! *** Flag for recalculation of jacobian *** ! *** Flag for recalculation of jacobian ***
jpara = 1_pInt jpara = 1_pInt
@ -272,7 +265,7 @@
! This routine calculates the stress for a single component ! This routine calculates the stress for a single component
! and manages the independent time incrmentation ! and manages the independent time incrmentation
!******************************************************************** !********************************************************************
use prec, only: pReal,pInt use prec, only: pReal,pInt, ncut
use constitutive, only: constitutive_Nstatevars, constitutive_state_old, constitutive_state_new, constitutive_Nresults,& use constitutive, only: constitutive_Nstatevars, constitutive_state_old, constitutive_state_new, constitutive_Nresults,&
constitutive_results constitutive_results
implicit none implicit none
@ -287,8 +280,6 @@
real(pReal) Tstar_v_h(6), state_new_h(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), phi1, PHI, phi2, dt_i real(pReal) Tstar_v_h(6), state_new_h(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), phi1, PHI, phi2, dt_i
real(pReal) delta_Fg(3,3), Fg_i(3,3), state_new_i(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), time real(pReal) delta_Fg(3,3), Fg_i(3,3), state_new_i(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), time
integer(pInt) jcut integer(pInt) jcut
! *** Numerical parameters ***
integer(pInt), parameter :: ncut=7_pInt
! !
icut=0 icut=0
! !
@ -305,7 +296,7 @@
! save copies of Tstar_v and state_new ! save copies of Tstar_v and state_new
Tstar_v_h = Tstar_v Tstar_v_h = Tstar_v
state_new_h = state_new state_new_h = state_new
call CPFEM_stress_int(cs, cd, CPFEM_dt, cp_en,CPFEM_in, iori, ising, icut, iconv, isjaco, phi1, PHI, phi2,& call CPFEM_stress_int(cs, cd, CPFEM_dt, cp_en,CPFEM_in, iori, ising, iconv, isjaco, phi1, PHI, phi2,&
CPFEM_ffn, CPFEM_ffn1,Fp_old,Fp_new,state_old, state_new, Tstar_v) CPFEM_ffn, CPFEM_ffn1,Fp_old,Fp_new,state_old, state_new, Tstar_v)
if ((iconv==0).AND.(ising==0)) then if ((iconv==0).AND.(ising==0)) then
! *** Update the differents matrices for t=t1 *** ! *** Update the differents matrices for t=t1 ***
@ -332,7 +323,7 @@
! *** Start time *** ! *** Start time ***
time=dt_i time=dt_i
do while (time<=CPFEM_dt) do while (time<=CPFEM_dt)
call CPFEM_stress_int(cs, cd, time, cp_en,CPFEM_in, iori, ising, icut, iconv, isjaco, phi1, PHI, phi2,& call CPFEM_stress_int(cs, cd, time, cp_en,CPFEM_in, iori, ising, iconv, isjaco, phi1, PHI, phi2,&
CPFEM_ffn, Fg_i,Fp_old,Fp_new,state_old, state_new_i, Tstar_v) CPFEM_ffn, Fg_i,Fp_old,Fp_new,state_old, state_new_i, Tstar_v)
if ((iconv==0).AND.(ising==0)) then if ((iconv==0).AND.(ising==0)) then
time=time+dt_i time=time+dt_i
@ -356,7 +347,7 @@
! !
! *** Final calculation of stress and resistences with full timestep *** ! *** Final calculation of stress and resistences with full timestep ***
state_new=state_new_i state_new=state_new_i
call CPFEM_stress_int(cs, cd, CPFEM_dt, cp_en,CPFEM_in, iori, ising, icut, iconv, isjaco, phi1, PHI, phi2,& call CPFEM_stress_int(cs, cd, CPFEM_dt, cp_en,CPFEM_in, iori, ising, iconv, isjaco, phi1, PHI, phi2,&
CPFEM_ffn, CPFEM_ffn1,Fp_old,Fp_new,state_old, state_new, Tstar_v) CPFEM_ffn, CPFEM_ffn1,Fp_old,Fp_new,state_old, state_new, Tstar_v)
! *** Update the differents matrices for t=t1 *** ! *** Update the differents matrices for t=t1 ***
CPFEM_Fp_new(:,:,iori,CPFEM_in,cp_en) = Fp_new CPFEM_Fp_new(:,:,iori,CPFEM_in,cp_en) = Fp_new
@ -378,7 +369,6 @@
CPFEM_in,& ! Integration point number CPFEM_in,& ! Integration point number
iori,& ! number of orintation iori,& ! number of orintation
ising,& ! flag for singular matrix ising,& ! flag for singular matrix
icut,& ! flag for too many cut backs
iconv,& ! flag for non convergence iconv,& ! flag for non convergence
isjaco,& ! flag whether to calculate Jacoby matrix isjaco,& ! flag whether to calculate Jacoby matrix
phi1,& ! Euler angle phi1,& ! Euler angle
@ -397,23 +387,21 @@
! J. Mech. Phys, Solids Vol. 40, No. 3, pp. 537-569, 1992 ! J. Mech. Phys, Solids Vol. 40, No. 3, pp. 537-569, 1992
! it is modified to use anisotropic elasticity matrix ! it is modified to use anisotropic elasticity matrix
!******************************************************************** !********************************************************************
use prec, only: pReal,pInt use prec, only: pReal,pInt,pert_e
use constitutive, only: constitutive_Nstatevars use constitutive, only: constitutive_Nstatevars
use math, only: math_Mandel6to33 use math, only: math_Mandel6to33
implicit none implicit none
! !
! *** Definition of variables *** ! *** Definition of variables ***
! *** Subroutine parameters *** ! *** Subroutine parameters ***
integer(pInt) cp_en, CPFEM_in, iori, ising, icut, iconv, isjaco integer(pInt) cp_en, CPFEM_in, iori, ising, iconv, isjaco
real(pReal) cs(6), dcs_de(6,6), dt, phi1, PHI, phi2, Fg_old(3,3), Fg_new(3,3) real(pReal) cs(6), dcs_de(6,6), dt, phi1, PHI, phi2, Fg_old(3,3), Fg_new(3,3)
real(pReal) Fp_old(3,3), Fp_new(3,3), state_old(constitutive_Nstatevars(iori, CPFEM_in, cp_en)) real(pReal) Fp_old(3,3), Fp_new(3,3), state_old(constitutive_Nstatevars(iori, CPFEM_in, cp_en))
real(pReal) state_new(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), Tstar_v(6) real(pReal) state_new(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), Tstar_v(6)
! *** Local variables *** ! *** Local variables ***
integer(pInt) ic integer(pInt) ic
real(pReal) Fe(3,3), R(3,3), U(3,3), dev(6), dF(3,3), Fg_pert(3,3), sgm2(6) real(pReal) Fe(3,3), R(3,3), U(3,3), Fg_pert(3,3), sgm2(6)
real(pReal) state2(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), Fp2(3,3), cs1(6),E_pert(3,3) real(pReal) state2(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), Fp2(3,3), cs1(6),E_pert(3,3)
! *** Numerical parameters ***
real(pReal), parameter :: pert_ct=1.0e-5_pReal
! *** Error treatment *** ! *** Error treatment ***
iconv = 0 iconv = 0
ising = 0 ising = 0
@ -423,7 +411,7 @@
! ********************************************* ! *********************************************
! *** Call Newton-Raphson method *** ! *** Call Newton-Raphson method ***
call NEWTON_RAPHSON(dt,cp_en,CPFEM_in,iori,Fg_old,Fg_new,Fp_old,Fp_new,Fe,state_old,state_new,Tstar_v,cs,iconv,ising) call NEWTON_RAPHSON(dt,cp_en,CPFEM_in,iori,Fg_new,Fp_old,Fp_new,Fe,state_old,state_new,Tstar_v,cs,iconv,ising)
! !
! *** Calculation of the new orientation *** ! *** Calculation of the new orientation ***
call math_pDecomposition(Fe,U,R,ising) call math_pDecomposition(Fe,U,R,ising)
@ -447,26 +435,26 @@
! Missing direct matrix perturbation ! Missing direct matrix perturbation
E_pert=0 E_pert=0
if(ic<=3) then if(ic<=3) then
E_pert(ic,ic) = pert_ct E_pert(ic,ic) = pert_e
else if(ic==4) then else if(ic==4) then
E_pert(1,2) = pert_ct/2 E_pert(1,2) = pert_e/2
E_pert(2,1) = pert_ct/2 E_pert(2,1) = pert_e/2
else if(ic==5) then else if(ic==5) then
E_pert(2,3) = pert_ct/2 E_pert(2,3) = pert_e/2
E_pert(3,2) = pert_ct/2 E_pert(3,2) = pert_e/2
else if(ic==6) then else if(ic==6) then
E_pert(1,3) = pert_ct/2 E_pert(1,3) = pert_e/2
E_pert(3,1) = pert_ct/2 E_pert(3,1) = pert_e/2
end if end if
Fg_pert=Fg_new+matmul(E_pert, Fg_old) Fg_pert=Fg_new+matmul(E_pert, Fg_old)
sgm2=Tstar_v sgm2=Tstar_v
state2=state_new state2=state_new
! *** Calculation of the perturbated Cauchy stress *** ! *** Calculation of the perturbated Cauchy stress ***
call NEWTON_RAPHSON(dt,cp_en,CPFEM_in,iori,Fg_old,Fg_pert,Fp_old,Fp2,Fe,state_old,state2,sgm2,cs1,iconv,ising) call NEWTON_RAPHSON(dt,cp_en,CPFEM_in,iori,Fg_pert,Fp_old,Fp2,Fe,state_old,state2,sgm2,cs1,iconv,ising)
! !
! *** Consistent tangent *** as cs is Mandel dcs_de(:,4:6) is too large by sqrt(2) ! *** Consistent tangent *** as cs is Mandel dcs_de(:,4:6) is too large by sqrt(2)
dcs_de(:,ic)=(cs1-cs)/pert_ct dcs_de(:,ic)=(cs1-cs)/pert_e
enddo enddo
! !
return return
@ -478,7 +466,6 @@
cp_en,& ! Element number cp_en,& ! Element number
CPFEM_in,& ! Integration point number CPFEM_in,& ! Integration point number
iori,& ! number of orintation iori,& ! number of orintation
Fg_old,&
Fg_new,& Fg_new,&
Fp_old,& Fp_old,&
Fp_new,& Fp_new,&
@ -492,35 +479,23 @@
!*********************************************************************** !***********************************************************************
!*** NEWTON-RAPHSON Calculation *** !*** NEWTON-RAPHSON Calculation ***
!*********************************************************************** !***********************************************************************
use prec, only: pReal,pInt use prec, only: pReal,pInt, nouter, tol_outer, ninner, tol_inner, crite
use constitutive, only: constitutive_Nstatevars, constitutive_HomogenizedC, constitutive_dotState use constitutive, only: constitutive_Nstatevars, constitutive_HomogenizedC, constitutive_dotState
use math use math
implicit none implicit none
! *** Definition of variables *** ! *** Definition of variables ***
! *** Subroutine parameters *** ! *** Subroutine parameters ***
integer(pInt) cp_en, CPFEM_in, iori, iconv, ising integer(pInt) cp_en, CPFEM_in, iori, iconv, ising
real(pReal) dt,Fg_old(3,3),Fg_new(3,3),Fp_old(3,3),Fp_new(3,3), Fe(3,3) real(pReal) dt,Fg_new(3,3),Fp_old(3,3),Fp_new(3,3), Fe(3,3)
real(pReal) state_old(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), state_new(constitutive_Nstatevars(iori, CPFEM_in, cp_en)) real(pReal) state_old(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), state_new(constitutive_Nstatevars(iori, CPFEM_in, cp_en))
real(pReal) Tstar_v(6), cs(6) real(pReal) Tstar_v(6), cs(6)
! *** Local variables *** ! *** Local variables ***
real(pReal) tol_in, tol_out, invFp_old(3,3), det, A(3,3), C_66(6,6), Lp(3,3), dLp(3,3,3,3) real(pReal) invFp_old(3,3), det, A(3,3), C_66(6,6), Lp(3,3), dLp(3,3,3,3)
real(pReal) I3tLp(3,3), help(3,3), help1(3,3,3,3), Tstar0_v(6), R1(6), R1s(6), norm1, tdLp(3,3) real(pReal) I3tLp(3,3), help(3,3), help1(3,3,3,3), Tstar0_v(6), R1(6)
real(pReal) dstate(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), R2(constitutive_Nstatevars(iori, CPFEM_in, cp_en)) real(pReal) dstate(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), R2(constitutive_Nstatevars(iori, CPFEM_in, cp_en))
real(pReal) R2s(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), norm2, invFp_new(3,3), Estar(3,3) real(pReal) R2s(constitutive_Nstatevars(iori, CPFEM_in, cp_en)), invFp_new(3,3)
real(pReal) Estar_v(6), Jacobi(6,6), invJacobi(6,6), dTstar_v(6), help2(6,6) real(pReal) Jacobi(6,6), invJacobi(6,6), dTstar_v(6), help2(6,6)
integer(pInt) iouter, iinner , dummy, err, i, j, k, l, m integer(pInt) iouter, iinner , dummy, err, i, j, k, l, m
! *** Numerical parameters ***
integer(pInt), parameter :: nouter = 50_pInt
real(pReal), parameter :: tol_outer = 1.0e-4_pReal
integer(pInt), parameter :: ninner = 2000_pInt
real(pReal), parameter :: tol_inner = 1.0e-3_pReal
real(pReal), parameter :: crite = 1.0e-1_pReal
! crite=eta*constitutive_s0_slip/constitutive_n_slip !ÄÄÄ
!
! *** Tolerances ***
! tol_in = tol_inner*s0_slip !ÄÄÄ
! tol_out = tol_outer*s0_slip !ÄÄÄ
! !
! *** Error treatment *** ! *** Error treatment ***
iconv = 0 iconv = 0

3
trunk/mpie_cpfem_marc.f90
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@ -149,8 +149,7 @@
cptim,timinc,timinc_p,timinc_s,timincm,timinc_a,timinc_b,creept(33),icptim,icfte,icfst,& cptim,timinc,timinc_p,timinc_s,timincm,timinc_a,timinc_b,creept(33),icptim,icfte,icfst,&
icfeq,icftm,icetem,mcreep,jcreep,icpa,icftmp,icfstr,icfqcp,icfcpm,icrppr,icrcha,icpb,iicpmt,iicpa icfeq,icftm,icetem,mcreep,jcreep,icpa,icftmp,icfstr,icfqcp,icfcpm,icrppr,icrcha,icpb,iicpmt,iicpa
! !
real(pReal) mpie_timefactor, mpie_stress(ngens) integer(pInt) cp_en, i
real(pReal) mpie_jacobi(ngens,ngens)
! !
dimension e(*),de(*),t(*),dt(*),g(*),d(ngens,*),s(*), n(2),coord(ncrd,*),disp(ndeg,*),matus(2),dispt(ndeg,*),ffn(itel,*),& dimension e(*),de(*),t(*),dt(*),g(*),d(ngens,*),s(*), n(2),coord(ncrd,*),disp(ndeg,*),matus(2),dispt(ndeg,*),ffn(itel,*),&
frotn(itel,*),strechn(itel),eigvn(itel,*),ffn1(itel,*),frotn1(itel,*),strechn1(itel),eigvn1(itel,*),kcus(2) frotn(itel,*),strechn(itel),eigvn(itel,*),ffn1(itel,*),frotn1(itel,*),strechn1(itel),eigvn1(itel,*),kcus(2)

19
trunk/prec.f90
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@ -4,8 +4,25 @@
!############################################################## !##############################################################
implicit none implicit none
! *** Precision of real and integer variables ***
integer, parameter :: pReal = 8 integer, parameter :: pReal = 8
integer, parameter :: pInt = 4 integer, parameter :: pInt = 4
! *** Numerical parameters ***
! *** How frequently the jacobian is recalculated ***
integer (pInt), parameter :: ijaco = 5_pInt
! *** Maximum number of internal cutbacks in time step ***
integer(pInt), parameter :: ncut=7_pInt
! *** Perturbation of strain array for numerical calculation of FEM Jacobi matrix ***
real(pReal), parameter :: pert_e=1.0e-5_pReal
! *** Maximum number of iterations in outer (statevariables) loop ***
integer(pInt), parameter :: nouter = 50_pInt
! *** Convergence criteria for outer (statevariables) loop ***
real(pReal), parameter :: tol_outer = 1.0e-4_pReal
! *** Maximum number of iterations in inner (stress) loop ***
integer(pInt), parameter :: ninner = 2000_pInt
! *** Convergence criteria for inner (stress) loop ***
real(pReal), parameter :: tol_inner = 1.0e-3_pReal
! *** Factor for maximum stress correction in inner (stress) loop ***
real(pReal), parameter :: crite = 1.0e-1_pReal
END MODULE prec END MODULE prec