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DAMASK_EICMD
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nonlocal stiffness calculation produced segmentation fault for cycle number > 16. Corrected calculation of perturbation indices k and l.

This commit is contained in:
Christoph Kords 2010-03-10 09:53:41 +00:00
parent e3dd7551dc
commit 1a992e1aef
1 changed files with 13 additions and 7 deletions
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20
code/crystallite.f90
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@ -335,7 +335,8 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
pert_method, & pert_method, &
nState, & nState, &
nCryst nCryst
use debug, only: debugger, & use debug, only: iJacoStiffness, &
debugger, &
selectiveDebugger, & selectiveDebugger, &
debug_e, & debug_e, &
debug_i, & debug_i, &
@ -777,7 +778,7 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
storedP = crystallite_P storedP = crystallite_P
storedConvergenceFlag = crystallite_converged storedConvergenceFlag = crystallite_converged
if (all(crystallite_localConstitution) .or. theInc < 2 .or. forceLocalStiffnessCalculation) then ! all grains have local constitution, so local convergence of perturbed grain is sufficient if (all(crystallite_localConstitution) .or. theInc < 1 .or. forceLocalStiffnessCalculation) then ! all grains have local constitution, so local convergence of perturbed grain is sufficient
!$OMP PARALLEL DO !$OMP PARALLEL DO
do e = FEsolving_execElem(1),FEsolving_execElem(2) ! iterate over elements to be processed do e = FEsolving_execElem(1),FEsolving_execElem(2) ! iterate over elements to be processed
@ -886,8 +887,13 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
kl(:,comp,g,i,e) = maxloc(abs(crystallite_subF(:,:,g,i,e)-crystallite_F0(:,:,g,i,e)), mask) ! map from component to array indices for F (sorted in descending order of abs(deltaF)) kl(:,comp,g,i,e) = maxloc(abs(crystallite_subF(:,:,g,i,e)-crystallite_F0(:,:,g,i,e)), mask) ! map from component to array indices for F (sorted in descending order of abs(deltaF))
mask(kl(1,comp,g,i,e),kl(2,comp,g,i,e)) = .false. mask(kl(1,comp,g,i,e),kl(2,comp,g,i,e)) = .false.
enddo enddo
k = kl(1,mod((cycleCounter-1)/2+1,9),g,i,e) ! perturb components in the descending order of change in F (-> component with biggest change in F is perturbed in first cycle, component with second biggest change in next cycle, ...) k = kl(1,mod(cycleCounter/iJacoStiffness,9)+1,g,i,e) ! perturb components in the descending order of change in F (-> component with biggest change in F is perturbed in first cycle, component with second biggest change in next cycle, ...)
l = kl(2,mod((cycleCounter-1)/2+1,9),g,i,e) l = kl(2,mod(cycleCounter/iJacoStiffness,9)+1,g,i,e)
if (e==debug_e .and. i==debug_i) then
!$OMP CRITICAL (write2out)
write (6,*) 'perturb component ',k,l
!$OMPEND CRITICAL (write2out)
endif
crystallite_subF(k,l,g,i,e) = crystallite_subF(k,l,g,i,e) + pert_Fg ! perturb single component crystallite_subF(k,l,g,i,e) = crystallite_subF(k,l,g,i,e) + pert_Fg ! perturb single component
enddo; enddo; enddo enddo; enddo; enddo
@ -987,8 +993,8 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
do i = FEsolving_execIP(1,e),FEsolving_execIP(2,e) do i = FEsolving_execIP(1,e),FEsolving_execIP(2,e)
do g = 1,myNgrains do g = 1,myNgrains
if (crystallite_converged(g,i,e)) then ! if stiffness calculation converged... if (crystallite_converged(g,i,e)) then ! if stiffness calculation converged...
k = kl(1,mod((cycleCounter-1)/2+1,9),g,i,e) k = kl(1,mod(cycleCounter/iJacoStiffness,9)+1,g,i,e)
l = kl(2,mod((cycleCounter-1)/2+1,9),g,i,e) l = kl(2,mod(cycleCounter/iJacoStiffness,9)+1,g,i,e)
crystallite_dPdF(:,:,k,l,g,i,e) = (crystallite_P(:,:,g,i,e) - storedP(:,:,g,i,e))/pert_Fg ! ... use tangent dP_ij/dFg_kl crystallite_dPdF(:,:,k,l,g,i,e) = (crystallite_P(:,:,g,i,e) - storedP(:,:,g,i,e))/pert_Fg ! ... use tangent dP_ij/dFg_kl
elseif (.not. storedConvergenceFlag(g,i,e)) then ! if crystallite didnÕt converge before... elseif (.not. storedConvergenceFlag(g,i,e)) then ! if crystallite didnÕt converge before...
crystallite_dPdF(:,:,:,:,g,i,e) = crystallite_fallbackdPdF(:,:,:,:,g,i,e) ! ... use (elastic) fallback crystallite_dPdF(:,:,:,:,g,i,e) = crystallite_fallbackdPdF(:,:,:,:,g,i,e) ! ... use (elastic) fallback
@ -1094,7 +1100,7 @@ endsubroutine
! setting flag to true if state is below relative tolerance, otherwise set it to false ! setting flag to true if state is below relative tolerance, otherwise set it to false
crystallite_updateState = all( constitutive_state(g,i,e)%p(1:mySize) < constitutive_relevantState(g,i,e)%p(1:mySize) & crystallite_updateState = all( constitutive_state(g,i,e)%p(1:mySize) < constitutive_relevantState(g,i,e)%p(1:mySize) &
.or. abs(residuum) < rTol_crystalliteState*abs(constitutive_state(g,i,e)%p(1:mySize))) .or. abs(residuum) < rTol_crystalliteState*abs(constitutive_state(g,i,e)%p(1:mySize)) )
if (selectiveDebugger) then if (selectiveDebugger) then
!$OMP CRITICAL (write2out) !$OMP CRITICAL (write2out)
if (crystallite_updateState) then if (crystallite_updateState) then