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Merged
mohd-afeef-badri merged 4 commits into from
Dec 2, 2025
Merged

petsc-direct support #336

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c88e60b
petsc-direct support
mohd-afeef-badri Dec 2, 2025
e76b0ee
better variable name
mohd-afeef-badri Dec 2, 2025
081c41d
Merge branch 'main' into mab/petsc-direct-elasticity
mohd-afeef-badri Dec 2, 2025
ccdcc81
correct variable name
mohd-afeef-badri Dec 2, 2025
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91 changes: 91 additions & 0 deletions modules/elasticity/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,97 @@ if(FEMUTILS_HAS_SOLVER_BACKEND_PETSC)
-A,//fem/matrix-format=AF-BSR
inputs/bar.2D.traction.bodyforce.arc)

set(SOLVER_PETSC_DIRECT_CG
-A,//fem/linear-system/@name=PETScLinearSystem
-A,//fem/linear-system/solver=cg
-A,//fem/linear-system/atol=1e-9
-A,//fem/linear-system/rtol=0)

set(SOLVER_PETSC_DIRECT_GMRES
-A,//fem/linear-system/@name=PETScLinearSystem
-A,//fem/linear-system/solver=gmres
-A,//fem/linear-system/atol=1e-9
-A,//fem/linear-system/rtol=0)

arcanefem_add_gpu_test(NAME [elasticity]3D_Dirichlet_bodyforce_traction_petsc-direct_bsr COMMAND ./Elasticity ARGS
-A,//fem/matrix-format=BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.3D.Dirichlet.traction.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]3D_Dirichlet_bodyforce_traction_petsc-direct_af-bsr COMMAND ./Elasticity ARGS
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.3D.Dirichlet.traction.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]3D_Dirichlet_bodyforce_petsc-direct_bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.3D.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.3D.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]3D_Dirichlet_bodyforce_petsc-direct_af-bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.3D.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.3D.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]3D_sphere_Dirichlet_bodyforce_petsc-direct_af-bsr COMMAND ./Elasticity ARGS
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/3D.sphere.dirichlet.traction.bodyforce.tetra.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_pointBC_RowElimination_petsc-direct_bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.PointDirichlet.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=BSR
${SOLVER_PETSC_DIRECT_GMRES}
-A,//fem/boundary-conditions/dirichlet[1]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet[2]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet-point[1]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet-point[2]/enforce-Dirichlet-method=RowElimination
inputs/bar.2D.PointDirichlet.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_pointBC_RowElimination_petsc-direct_af-bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.PointDirichlet.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_GMRES}
-A,//fem/boundary-conditions/dirichlet[1]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet[2]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet-point[1]/enforce-Dirichlet-method=RowElimination
-A,//fem/boundary-conditions/dirichlet-point[2]/enforce-Dirichlet-method=RowElimination
inputs/bar.2D.PointDirichlet.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_pointBC_RowColElimination_petsc-direct_af-bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.PointDirichlet.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_GMRES}
-A,//fem/boundary-conditions/dirichlet[1]/enforce-Dirichlet-method=RowColumnElimination
-A,//fem/boundary-conditions/dirichlet[2]/enforce-Dirichlet-method=RowColumnElimination
-A,//fem/boundary-conditions/dirichlet-point[1]/enforce-Dirichlet-method=RowColumnElimination
-A,//fem/boundary-conditions/dirichlet-point[2]/enforce-Dirichlet-method=RowColumnElimination
inputs/bar.2D.PointDirichlet.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_pointBC_petsc-direct_bsr COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.PointDirichlet.Dirichlet.bodyForce.txt
-A,//fem/matrix-format=BSR
${SOLVER_PETSC_DIRECT_CG}
-A,//fem/boundary-conditions/dirichlet[1]/enforce-Dirichlet-method=Penalty
-A,//fem/boundary-conditions/dirichlet[2]/enforce-Dirichlet-method=Penalty
-A,//fem/boundary-conditions/dirichlet-point[1]/enforce-Dirichlet-method=Penalty
-A,//fem/boundary-conditions/dirichlet-point[2]/enforce-Dirichlet-method=Penalty
inputs/bar.2D.PointDirichlet.Dirichlet.bodyForce.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_traction_bsr_petsc-direct COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.Dirichlet.traction.txt
-A,//fem/matrix-format=BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.2D.Dirichlet.traction.arc)

arcanefem_add_gpu_test(NAME [elasticity]Dirichlet_traction_bodyforce_af-bsr_petsc-direct COMMAND ./Elasticity ARGS
-A,//fem/solution-comparison-file=check/bar.2D.traction.bodyforce.txt
-A,//fem/matrix-format=AF-BSR
${SOLVER_PETSC_DIRECT_CG}
inputs/bar.2D.traction.bodyforce.arc)

if(FEMUTILS_HAS_PARALLEL_SOLVER)
add_test(NAME [elasticity]Dirichlet_2p COMMAND ${MPIEXEC_EXECUTABLE} -n 2 ./Elasticity
-A,//fem/solution-comparison-file=check/bar.2D.Dirichlet.bodyForce.txt
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8 changes: 4 additions & 4 deletions modules/elasticity/Dirichlet.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,10 @@
inline void FemModule::
_applyDirichlet(VariableDoFReal& rhs_values, const IndexedNodeDoFConnectivityView& node_dof)
{

// check if Hypre solver is used and delegate to GPU for dirichlet assembly
auto use_hypre = options()->linearSystem.serviceName() == "HypreLinearSystem";
if (use_hypre) {
// check if Hypre|PETSc solver is used and delegate to GPU for dirichlet assembly
auto use_gpu = options()->linearSystem.serviceName() == "HypreLinearSystem" ||
options()->linearSystem.serviceName() == "PETScLinearSystem";
if (use_gpu) {
_assembleDirichletsGpu();
return;
}
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7 changes: 3 additions & 4 deletions modules/elasticity/FemModule.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -108,14 +108,13 @@ void FemModule::_initBsr()
info() << "[ArcaneFem-Info] Started module _initBsr()";
Real elapsedTime = platform::getRealTime();

bool use_csr_in_linear_system =
options()->linearSystem.serviceName() == "HypreLinearSystem" ||
bool use_csr_in_linearsystem = options()->linearSystem.serviceName() == "HypreLinearSystem" ||
options()->linearSystem.serviceName() == "PETScLinearSystem";

if (m_matrix_format == "BSR")
m_bsr_format.initialize(defaultMesh(), m_dof_per_node, use_csr_in_linear_system, 0);
m_bsr_format.initialize(defaultMesh(), m_dof_per_node, use_csr_in_linearsystem, 0);
else
m_bsr_format.initialize(defaultMesh(), m_dof_per_node, use_csr_in_linear_system, 1);
m_bsr_format.initialize(defaultMesh(), m_dof_per_node, use_csr_in_linearsystem, 1);

elapsedTime = platform::getRealTime() - elapsedTime;
ArcaneFemFunctions::GeneralFunctions::printArcaneFemTime(traceMng(),"initialize-bsr-matrix", elapsedTime);
Expand Down