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DAMASK_EICMD
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modified cutback counting 

restore Lpguess_old in case of iInner > nInner
This commit is contained in:
Franz Roters 2008-06-25 06:26:41 +00:00
parent 7453a18b42
commit de9e35cdb8
1 changed files with 14 additions and 10 deletions
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24
trunk/crystallite.f90
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@ -34,7 +34,7 @@ CONTAINS
Fp_old,& ! old plastic deformation gradient Fp_old,& ! old plastic deformation gradient
state_old) ! old state variable array state_old) ! old state variable array
! !
use prec, only: pReal,pInt,pert_Fg,subStepMin use prec, only: pReal,pInt,pert_Fg,subStepMin, nCutback
use debug use debug
use constitutive, only: constitutive_Nstatevars,constitutive_Nresults use constitutive, only: constitutive_Nstatevars,constitutive_Nresults
use mesh, only: mesh_element use mesh, only: mesh_element
@ -44,14 +44,14 @@ CONTAINS
! !
character(len=*) msg character(len=*) msg
logical updateJaco,error,cuttedBack,guessNew logical updateJaco,error,cuttedBack,guessNew
integer(pInt) cp_en,ip,grain,i,j,k,l,m,n, nCutbacks integer(pInt) cp_en,ip,grain,k,l, nCutbacks, maxCutbacks
real(pReal) Temperature real(pReal) Temperature
real(pReal) dt,dt_aim,subFrac,subStep,invJ,det real(pReal) dt,dt_aim,subFrac,subStep,det
real(pReal), dimension(3,3) :: Lp,Lp_pert,inv real(pReal), dimension(3,3) :: Lp,Lp_pert,inv
real(pReal), dimension(3,3) :: Fg_old,Fg_current,Fg_new,Fg_pert,Fg_aim,deltaFg real(pReal), dimension(3,3) :: Fg_old,Fg_current,Fg_new,Fg_pert,Fg_aim,deltaFg
real(pReal), dimension(3,3) :: Fp_old,Fp_current,Fp_new,Fp_pert real(pReal), dimension(3,3) :: Fp_old,Fp_current,Fp_new,Fp_pert
real(pReal), dimension(3,3) :: Fe_old,Fe_current,Fe_new,Fe_pert real(pReal), dimension(3,3) :: Fe_current,Fe_new,Fe_pert
real(pReal), dimension(3,3) :: Tstar,tau,P,P_pert real(pReal), dimension(3,3) :: P,P_pert
real(pReal), dimension(3,3,3,3) :: dPdF real(pReal), dimension(3,3,3,3) :: dPdF
real(pReal), dimension(constitutive_Nstatevars(grain,ip,cp_en)) :: state_old,state_new real(pReal), dimension(constitutive_Nstatevars(grain,ip,cp_en)) :: state_old,state_new
real(pReal), dimension(constitutive_Nstatevars(grain,ip,cp_en)) :: state_current,state_bestguess,state_pert real(pReal), dimension(constitutive_Nstatevars(grain,ip,cp_en)) :: state_current,state_bestguess,state_pert
@ -60,7 +60,8 @@ CONTAINS
deltaFg = Fg_new-Fg_old deltaFg = Fg_new-Fg_old
subFrac = 0.0_pReal subFrac = 0.0_pReal
subStep = 1.0_pReal subStep = 1.0_pReal
nCutbacks = 0_pInt nCutbacks = 0_pInt
maxCutbacks = 0_pInt
! !
Fg_aim = Fg_old ! make "new", "aim" a synonym for "old" Fg_aim = Fg_old ! make "new", "aim" a synonym for "old"
Fp_new = Fp_old Fp_new = Fp_old
@ -98,7 +99,8 @@ CONTAINS
cuttedBack = .false. ! no cut back required cuttedBack = .false. ! no cut back required
guessNew = .false. ! keep the Lp guessNew = .false. ! keep the Lp
subFrac = subFrac + subStep subFrac = subFrac + subStep
subStep = 1.0_pReal - subFrac ! try one go subStep = 1.0_pReal - subFrac ! try one go
nCutbacks = 0_pInt ! rest cutbackcounter
if (debugger) then if (debugger) then
!$OMP CRITICAL (write2out) !$OMP CRITICAL (write2out)
@ -107,6 +109,7 @@ CONTAINS
endif endif
else else
nCutbacks = nCutbacks + 1 ! record additional cutback nCutbacks = nCutbacks + 1 ! record additional cutback
maxCutbacks=max(nCutbacks,maxCutbacks)! remember maximum number of cutbacks
cuttedBack = .true. ! encountered problems --> cuttedBack = .true. ! encountered problems -->
guessNew = .true. ! redo plastic Lp guess guessNew = .true. ! redo plastic Lp guess
subStep = subStep / 2.0_pReal ! cut time step in half subStep = subStep / 2.0_pReal ! cut time step in half
@ -121,7 +124,7 @@ CONTAINS
enddo ! potential substepping enddo ! potential substepping
! !
!$OMP CRITICAL (cutback) !$OMP CRITICAL (cutback)
debug_cutbackDistribution(min(nCutback,nCutbacks)+1) = debug_cutbackDistribution(min(nCutback,nCutbacks)+1)+1 debug_cutbackDistribution(min(nCutback,maxCutbacks)+1) = debug_cutbackDistribution(min(nCutback,maxCutbacks)+1)+1
!$OMP END CRITICAL (cutback) !$OMP END CRITICAL (cutback)
! !
if (msg /= 'ok') return ! solution not reached --> report back if (msg /= 'ok') return ! solution not reached --> report back
@ -226,7 +229,7 @@ CONTAINS
real(pReal), dimension(6) :: Tstar_v real(pReal), dimension(6) :: Tstar_v
real(pReal), dimension(9,9) :: dLp,dTdLp,dRdLp,invdRdLp,eye2 real(pReal), dimension(9,9) :: dLp,dTdLp,dRdLp,invdRdLp,eye2
real(pReal), dimension(6,6) :: C_66 real(pReal), dimension(6,6) :: C_66
real(pReal), dimension(3,3) :: Fg_new,Fp_new,invFp_new,Fp_old,invFp_old,Fe_new,Fe_old real(pReal), dimension(3,3) :: Fg_new,Fp_new,invFp_new,Fp_old,invFp_old,Fe_new
real(pReal), dimension(3,3) :: P,Tstar real(pReal), dimension(3,3) :: P,Tstar
real(pReal), dimension(3,3) :: Lp,Lpguess,Lpguess_old,Rinner,Rinner_old,A,B,BT,AB,BTA real(pReal), dimension(3,3) :: Lp,Lpguess,Lpguess_old,Rinner,Rinner_old,A,B,BT,AB,BTA
real(pReal), dimension(3,3,3,3) :: C real(pReal), dimension(3,3,3,3) :: C
@ -290,7 +293,8 @@ Outer: do ! outer iteration: State
! !
Inner: do ! inner iteration: Lp Inner: do ! inner iteration: Lp
iInner = iInner+1 iInner = iInner+1
if (iInner > nInner) then ! too many loops required if (iInner > nInner) then ! too many loops required
Lpguess=Lpguess_old ! do not trust the last update
msg = 'limit Inner iteration' msg = 'limit Inner iteration'
!$OMP CRITICAL (in) !$OMP CRITICAL (in)
debug_InnerLoopDistribution(nInner) = debug_InnerLoopDistribution(nInner)+1 debug_InnerLoopDistribution(nInner) = debug_InnerLoopDistribution(nInner)+1