12 #ifndef ELASTICITY_PRECONDITIONERS_HPP_
13 #define ELASTICITY_PRECONDITIONERS_HPP_
15 #include <opm/common/utility/platform_dependent/disable_warnings.h>
17 #include <dune/common/fmatrix.hh>
18 #include <dune/istl/bcrsmatrix.hh>
19 #include <dune/istl/matrixmatrix.hh>
20 #include <dune/istl/ilu.hh>
21 #include <dune/istl/solvers.hh>
22 #include <dune/istl/preconditioners.hh>
23 #include <dune/istl/superlu.hh>
24 #include <dune/istl/umfpack.hh>
25 #include <dune/istl/paamg/amg.hh>
26 #include <dune/istl/paamg/fastamg.hh>
27 #include <dune/istl/paamg/twolevelmethod.hh>
28 #include <dune/istl/overlappingschwarz.hh>
30 #include <opm/common/utility/platform_dependent/reenable_warnings.h>
32 #include <opm/grid/CpGrid.hpp>
38 namespace Elasticity {
40 #if defined(HAVE_UMFPACK)
41 typedef Dune::UMFPack<Matrix> LUSolver;
42 #elif defined(HAVE_SUPERLU)
43 typedef Dune::SuperLU<Matrix> LUSolver;
45 static_assert(
false,
"Enable either SuperLU or UMFPACK");
49 typedef Dune::MatrixAdapter<Matrix,Vector,Vector>
Operator;
58 #if DUNE_VERSION_NEWER(DUNE_ISTL, 2, 7)
59 typedef Dune::SeqILU<Matrix, Vector, Vector>
ILUSmoother;
71 Dune::SymmetricMultiplicativeSchwarzMode,
81 static std::shared_ptr<type>
83 std::shared_ptr<Operator>& op,
const Dune::CpGrid& gv,
86 return std::shared_ptr<type>(
setup2(op, gv, A, copy));
94 static type*
setup2(std::shared_ptr<Operator>& op,
const Dune::CpGrid& gv,
99 template<
class Smoother>
105 typedef Dune::Amg::SymmetricCriterion<Matrix, CouplingMetric>
CritBase;
108 typedef Dune::Amg::CoarsenCriterion<CritBase>
Criterion;
110 typedef Dune::Amg::AMG<Operator, Vector, Smoother> type;
120 static std::shared_ptr<type>
121 setup(
int pre,
int post,
int target,
int zcells,
122 std::shared_ptr<Operator>& op,
const Dune::CpGrid& ,
127 args.relaxationFactor = 1.0;
128 crit.setCoarsenTarget(target);
130 crit.setNoPreSmoothSteps(pre);
131 crit.setNoPostSmoothSteps(post);
132 crit.setDefaultValuesIsotropic(3, zcells);
134 std::cout <<
"\t collapsing 2x2x" << zcells <<
" cells per level" << std::endl;
136 return std::shared_ptr<type>(
new type(*op, crit, args));
142 typedef Dune::Amg::FastAMG<Operator, Vector> type;
152 static std::shared_ptr<type>
153 setup(
int pre,
int post,
int target,
int zcells,
154 std::shared_ptr<Operator>& op,
const Dune::CpGrid& gv,
160 template<
class Smoother>
163 typedef Dune::Amg::AggregationLevelTransferPolicy<
Operator,
166 typedef Dune::Amg::LevelTransferPolicy<Operator, Operator> LevelTransferPolicy;
171 typedef typename Dune::Amg::SmootherTraits<Smoother>::Arguments SmootherArgs;
173 typedef Dune::Amg::TwoLevelMethod<Operator, CoarsePolicy, Schwarz::type> type;
183 static std::shared_ptr<type>
184 setup(
int pre,
int post,
int target,
int zcells,
185 std::shared_ptr<Operator>& op,
const Dune::CpGrid& gv,
190 args.relaxationFactor = 1.0;
191 crit.setCoarsenTarget(target);
193 crit.setNoPreSmoothSteps(pre);
194 crit.setNoPostSmoothSteps(post);
195 crit.setDefaultValuesIsotropic(3, zcells);
196 CoarsePolicy coarsePolicy(args, crit);
200 return std::shared_ptr<type>(
new type(*op, fsp, policy, coarsePolicy, pre, post));
Class handling finite element assembly.
Class handling finite element assembly.
Definition: asmhandler.hpp:35
Dune::MatrixAdapter< Matrix, Vector, Vector > Operator
A linear operator.
Definition: elasticity_preconditioners.hpp:45
Dune::SeqJac< Matrix, Vector, Vector > JACSmoother
GJ AMG smoother.
Definition: elasticity_preconditioners.hpp:55
Dune::SeqILU0< Matrix, Vector, Vector > ILUSmoother
ILU0 AMG smoother.
Definition: elasticity_preconditioners.hpp:61
Dune::SeqOverlappingSchwarz< Matrix, Vector, Dune::SymmetricMultiplicativeSchwarzMode, LUSolver > SchwarzSmoother
Schwarz + ILU0 AMG smoother.
Definition: elasticity_preconditioners.hpp:66
Dune::SeqSSOR< Matrix, Vector, Vector > SSORSmoother
SSOR AMG smoother.
Definition: elasticity_preconditioners.hpp:52
Smoother
Smoother used in the AMG.
Definition: elasticity_upscale.hpp:75
Helper class with some matrix operations.
Dune::BCRSMatrix< Dune::FieldMatrix< double, 1, 1 > > Matrix
A sparse matrix holding our operator.
Definition: matrixops.hpp:27
Dune::BlockVector< Dune::FieldVector< double, 1 > > Vector
A vector holding our RHS.
Definition: matrixops.hpp:33
Inverting small matrices.
Definition: ImplicitAssembly.hpp:43
An AMG.
Definition: elasticity_preconditioners.hpp:100
Dune::Amg::CoarsenCriterion< CritBase > Criterion
The coarsening criterion used in the AMG.
Definition: elasticity_preconditioners.hpp:108
Dune::Amg::FirstDiagonal CouplingMetric
The coupling metric used in the AMG.
Definition: elasticity_preconditioners.hpp:102
static std::shared_ptr< type > setup(int pre, int post, int target, int zcells, std::shared_ptr< Operator > &op, const Dune::CpGrid &, ASMHandler< Dune::CpGrid > &, bool ©)
Setup preconditioner.
Definition: elasticity_preconditioners.hpp:121
Dune::Amg::SymmetricCriterion< Matrix, CouplingMetric > CritBase
The coupling criterion used in the AMG.
Definition: elasticity_preconditioners.hpp:105
A two-level method with a coarse AMG solver.
Definition: elasticity_preconditioners.hpp:161
static std::shared_ptr< type > setup(int pre, int post, int target, int zcells, std::shared_ptr< Operator > &op, const Dune::CpGrid &gv, ASMHandler< Dune::CpGrid > &A, bool ©)
Setup preconditioner.
Definition: elasticity_preconditioners.hpp:184
Dune::Amg::AggregationLevelTransferPolicy< Operator, typename AMG1< Smoother >::Criterion > TransferPolicy
AMG transfer policy.
Definition: elasticity_preconditioners.hpp:164
A FastAMG.
Definition: elasticity_preconditioners.hpp:141
static std::shared_ptr< type > setup(int pre, int post, int target, int zcells, std::shared_ptr< Operator > &op, const Dune::CpGrid &gv, ASMHandler< Dune::CpGrid > &A, bool ©)
Setup preconditioner.
Definition: elasticity_preconditioners.cpp:20
Overlapping Schwarz preconditioner.
Definition: elasticity_preconditioners.hpp:69
static type * setup2(std::shared_ptr< Operator > &op, const Dune::CpGrid &gv, ASMHandler< Dune::CpGrid > &A, bool ©)
Setup preconditioner.
Definition: elasticity_preconditioners.cpp:37
static std::shared_ptr< type > setup(int, int, int, int, std::shared_ptr< Operator > &op, const Dune::CpGrid &gv, ASMHandler< Dune::CpGrid > &A, bool ©)
Setup preconditioner.
Definition: elasticity_preconditioners.hpp:82