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Merge branch '38-introduce-rudimentary-PETSc-based-FEM-solver' of magit1.mpie.de:damask/DAMASK into 38-introduce-rudimentary-PETSc-based-FEM-solver

This commit is contained in:
Martin Diehl 2018-09-22 10:33:20 +02:00
parent 80914470cc 4ddb8d843c
commit f590851a78
1 changed files with 12 additions and 9 deletions
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21
src/FEM_mech.f90
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@ -135,8 +135,11 @@ subroutine FEM_mech_init(fieldBC)
nc = dimPlex
call PetscQuadratureSetData(mechQuad,dimPlex,nc,nQuadrature,qPointsP,qWeightsP,ierr)
CHKERRQ(ierr)
call PetscFECreateDefault(mech_mesh,dimPlex,nc,PETSC_TRUE,prefix, &
! call PetscFECreateDefault(mech_mesh,dimPlex,nc,PETSC_TRUE,prefix, &
! integrationOrder,mechFE,ierr); CHKERRQ(ierr)
call PetscFECreateDefault(PETSC_COMM_SELF,dimPlex,nc,PETSC_TRUE,prefix, &
integrationOrder,mechFE,ierr); CHKERRQ(ierr)
! Polar decomposition failed in run time
call PetscFESetQuadrature(mechFE,mechQuad,ierr); CHKERRQ(ierr)
call PetscFEGetDimension(mechFE,nBasis,ierr); CHKERRQ(ierr)
call DMGetDS(mech_mesh,mechDS,ierr); CHKERRQ(ierr)
@ -150,7 +153,7 @@ subroutine FEM_mech_init(fieldBC)
write(6,*) 'starting to set up boundary conditions';flush(6)
call DMGetLabel(mech_mesh,'Face Sets',BCLabel,ierr); CHKERRQ(ierr)
call DMPlexLabelComplete(mech_mesh,BCLabel,ierr); CHKERRQ(ierr)
call DMGetDefaultSection(mech_mesh,section,ierr); CHKERRQ(ierr)
call DMGetSection(mech_mesh,section,ierr); CHKERRQ(ierr)
allocate(numComp(1), source=dimPlex); pNumComp => numComp
allocate(numDof(dimPlex+1), source = 0); pNumDof => numDof
do topologDim = 0, dimPlex
@ -193,7 +196,7 @@ subroutine FEM_mech_init(fieldBC)
numBC,pBcField,pBcComps,pBcPoints,PETSC_NULL_IS, &
section,ierr)
CHKERRQ(ierr)
call DMSetDefaultSection(mech_mesh,section,ierr); CHKERRQ(ierr)
call DMSetSection(mech_mesh,section,ierr); CHKERRQ(ierr)
do faceSet = 1, numBC
call ISDestroy(bcPoints(faceSet),ierr); CHKERRQ(ierr)
enddo
@ -233,7 +236,7 @@ subroutine FEM_mech_init(fieldBC)
pV0 => v0
pCellJ => cellJ
pInvcellJ => invcellJ
call DMGetDefaultSection(mech_mesh,section,ierr); CHKERRQ(ierr)
call DMGetSection(mech_mesh,section,ierr); CHKERRQ(ierr)
call DMGetDS(mech_mesh,mechDS,ierr); CHKERRQ(ierr)
call PetscDSGetDiscretization(mechDS,0,mechFE,ierr)
CHKERRQ(ierr)
@ -359,7 +362,7 @@ subroutine FEM_mech_formResidual(dm_local,xx_local,f_local,dummy,ierr)
pV0 => v0
pCellJ => cellJ
pInvcellJ => invcellJ
call DMGetDefaultSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetDS(dm_local,prob,ierr); CHKERRQ(ierr)
call PetscDSGetTabulation(prob,0,basisField,basisFieldDer,ierr)
CHKERRQ(ierr)
@ -508,8 +511,8 @@ subroutine FEM_mech_formJacobian(dm_local,xx_local,Jac_pre,Jac,dummy,ierr)
call MatZeroEntries(Jac,ierr); CHKERRQ(ierr)
call DMGetDS(dm_local,prob,ierr); CHKERRQ(ierr)
call PetscDSGetTabulation(prob,0,basisField,basisFieldDer,ierr)
call DMGetDefaultSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetDefaultGlobalSection(dm_local,gSection,ierr); CHKERRQ(ierr)
call DMGetSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetGlobalSection(dm_local,gSection,ierr); CHKERRQ(ierr)
call DMGetLocalVector(dm_local,x_local,ierr); CHKERRQ(ierr)
call VecWAXPY(x_local,1.0,xx_local,solution_local,ierr); CHKERRQ(ierr)
@ -593,7 +596,7 @@ subroutine FEM_mech_formJacobian(dm_local,xx_local,Jac_pre,Jac,dummy,ierr)
!--------------------------------------------------------------------------------------------------
! apply boundary conditions
!call DMPlexCreateRigidBody(dm_local,matnull,ierr); CHKERRQ(ierr) MD: linker error
call DMPlexCreateRigidBody(dm_local,matnull,ierr); CHKERRQ(ierr) !MD: linker error
call MatSetNullSpace(Jac,matnull,ierr); CHKERRQ(ierr)
call MatSetNearNullSpace(Jac,matnull,ierr); CHKERRQ(ierr)
call MatNullSpaceDestroy(matnull,ierr); CHKERRQ(ierr)
@ -634,7 +637,7 @@ subroutine FEM_mech_forward(guess,timeinc,timeinc_old,fieldBC)
ForwardData = .True.
materialpoint_F0 = materialpoint_F
call SNESGetDM(mech_snes,dm_local,ierr); CHKERRQ(ierr) !< retrieve mesh info from mech_snes into dm_local
call DMGetDefaultSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetSection(dm_local,section,ierr); CHKERRQ(ierr)
call DMGetLocalVector(dm_local,x_local,ierr); CHKERRQ(ierr)
call VecSet(x_local,0.0,ierr); CHKERRQ(ierr)
call DMGlobalToLocalBegin(dm_local,solution,INSERT_VALUES,x_local,ierr) !< retrieve my partition of global solution vector