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material point now cuts back by 1/8 

crystallite does not accelerate anymore, since, typically, longer step immediately fails and uses resources in vain. (future: remember number of successful steps to increase step size after x of those...)
This commit is contained in:
Philip Eisenlohr 2009-10-19 12:50:59 +00:00
parent b5fc0a9769
commit ba27947142
2 changed files with 5 additions and 5 deletions
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2
code/crystallite.f90
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@ -361,7 +361,7 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
!$OMPEND CRITICAL (write2out)
endif
crystallite_subFrac(g,i,e) = crystallite_subFrac(g,i,e) + crystallite_subStep(g,i,e)
crystallite_subStep(g,i,e) = min(1.0_pReal-crystallite_subFrac(g,i,e), 2.0_pReal * crystallite_subStep(g,i,e))
crystallite_subStep(g,i,e) = min(1.0_pReal-crystallite_subFrac(g,i,e), 1.0_pReal * crystallite_subStep(g,i,e)) ! keep cut back step size (no acceleration)
if (crystallite_subStep(g,i,e) > subStepMin) then
crystallite_subTemperature0(g,i,e) = crystallite_Temperature(g,i,e) ! wind forward...
crystallite_subF0(:,:,g,i,e) = crystallite_subF(:,:,g,i,e) ! ...def grad

8
code/homogenization.f90
View File

@ -256,7 +256,7 @@ subroutine materialpoint_stressAndItsTangent(&
materialpoint_subF0(:,:,i,e) = materialpoint_F0(:,:,i,e) ! ...def grad
materialpoint_subFrac(i,e) = 0.0_pReal
materialpoint_subStep(i,e) = 2.0_pReal
materialpoint_subStep(i,e) = 8.0_pReal
materialpoint_converged(i,e) = .false. ! pretend failed step of twice the required size
materialpoint_requested(i,e) = .true. ! everybody requires calculation
enddo
@ -289,7 +289,7 @@ subroutine materialpoint_stressAndItsTangent(&
! calculate new subStep and new subFrac
materialpoint_subFrac(i,e) = materialpoint_subFrac(i,e) + materialpoint_subStep(i,e)
materialpoint_subStep(i,e) = min(1.0_pReal-materialpoint_subFrac(i,e), 2.0_pReal * materialpoint_subStep(i,e))
materialpoint_subStep(i,e) = min(1.0_pReal-materialpoint_subFrac(i,e), 1.0_pReal * materialpoint_subStep(i,e)) ! keep cut back time step (no acceleration)
! still stepping needed
if (materialpoint_subStep(i,e) > subStepMin) then
@ -304,7 +304,7 @@ subroutine materialpoint_stressAndItsTangent(&
if (homogenization_sizeState(i,e) > 0_pInt) &
homogenization_subState0(i,e)%p = homogenization_state(i,e)%p ! ...internal state of homog scheme
materialpoint_subF0(:,:,i,e) = materialpoint_subF(:,:,i,e) ! ...def grad
elseif (materialpoint_requested(i,e)) then ! this materialpoint just converged ! already at final time
elseif (materialpoint_requested(i,e)) then ! this materialpoint just converged ! already at final time (??)
!$OMP CRITICAL (distributionHomog)
debug_MaterialpointLoopDistribution(min(nHomog+1,NiterationHomog)) = &
debug_MaterialpointLoopDistribution(min(nHomog+1,NiterationHomog)) + 1
@ -314,7 +314,7 @@ subroutine materialpoint_stressAndItsTangent(&
! materialpoint didn't converge, so we need a cutback here
else
materialpoint_subStep(i,e) = 0.5_pReal * materialpoint_subStep(i,e)
materialpoint_subStep(i,e) = 0.125_pReal * materialpoint_subStep(i,e) ! crystallite had severe trouble, so do a significant cutback
if (debugger) then
!$OMP CRITICAL (write2out)