Dune Core Modules (2.4.1)
twolevelmethod.hh
Go to the documentation of this file.
169 std::cout<<"no aggregates="<<noAggregates<<" iso="<<isoAggregates<<" one="<<oneAggregates<<" skipped="<<skippedAggregates<<std::endl;
192 productBuilder.calculate(fineOperator.getmat(), *aggregatesMap_, *matrix_, pinfo, OverlapFlags());
387 };
The AMG preconditioner.
Class providing information about the mapping of the vertices onto aggregates.
Definition: aggregates.hh:543
A LeveTransferPolicy that used aggregation to construct the coarse level system.
Definition: twolevelmethod.hh:141
AggregationLevelTransferPolicy * clone() const
Clone the current object.
Definition: twolevelmethod.hh:212
void moveToFineLevel(typename FatherType::FineDomainType &fineLhs)
Updates the fine level linear system after the correction of the coarse levels system.
Definition: twolevelmethod.hh:205
void createCoarseLevelSystem(const O &fineOperator)
Algebraically creates the coarse level system.
Definition: twolevelmethod.hh:152
Class representing the properties of an ede in the matrix graph.
Definition: dependency.hh:38
Abstract base class for transfer between levels and creation of the coarse level system.
Definition: twolevelmethod.hh:36
CO CoarseOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:55
virtual void moveToCoarseLevel(const FineRangeType &fineRhs)=0
Transfers the data to the coarse level.
FineOperatorType::range_type FineRangeType
The type of the range of the fine level operator.
Definition: twolevelmethod.hh:46
virtual void createCoarseLevelSystem(const FineOperatorType &fineOperator)=0
Algebraically creates the coarse level system.
CoarseOperatorType::range_type CoarseRangeType
The type of the range of the coarse level operator.
Definition: twolevelmethod.hh:59
virtual ~LevelTransferPolicy()
Destructor.
Definition: twolevelmethod.hh:122
CoarseDomainType lhs_
The coarse level lhs.
Definition: twolevelmethod.hh:128
virtual LevelTransferPolicy * clone() const =0
Clone the current object.
CoarseDomainType & getCoarseLevelLhs()
Get the coarse level left hand side.
Definition: twolevelmethod.hh:85
std::shared_ptr< CoarseOperatorType > operator_
the coarse level linear operator.
Definition: twolevelmethod.hh:130
CoarseRangeType rhs_
The coarse level rhs.
Definition: twolevelmethod.hh:126
virtual void moveToFineLevel(FineDomainType &fineLhs)=0
Updates the fine level linear system after the correction of the coarse levels system.
std::shared_ptr< CoarseOperatorType > & getCoarseLevelOperator()
Get the coarse level operator.
Definition: twolevelmethod.hh:68
CoarseRangeType & getCoarseLevelRhs()
Get the coarse level right hand side.
Definition: twolevelmethod.hh:76
FO FineOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:42
CoarseOperatorType::domain_type CoarseDomainType
The type of the domain of the coarse level operator.
Definition: twolevelmethod.hh:63
FineOperatorType::domain_type FineDomainType
The type of the domain of the fine level operator.
Definition: twolevelmethod.hh:50
A policy class for solving the coarse level system using one step of AMG.
Definition: twolevelmethod.hh:232
OneStepAMGCoarseSolverPolicy(const SmootherArgs &args, const Criterion &c)
Constructs the coarse solver policy.
Definition: twolevelmethod.hh:251
AMGInverseOperator CoarseLevelSolver
The type of solver constructed for the coarse level.
Definition: twolevelmethod.hh:309
OneStepAMGCoarseSolverPolicy(const OneStepAMGCoarseSolverPolicy &other)
Copy constructor.
Definition: twolevelmethod.hh:255
O::range_type X
The type of the range and domain of the operator.
Definition: twolevelmethod.hh:237
C Criterion
The type of the crition used for the aggregation within AMG.
Definition: twolevelmethod.hh:239
Dune::Amg::SmootherTraits< S >::Arguments SmootherArgs
The type of the arguments used for constructing the smoother.
Definition: twolevelmethod.hh:243
O Operator
The type of the linear operator used.
Definition: twolevelmethod.hh:235
AMG< Operator, X, Smoother > AMGType
The type of the AMG construct on the coarse level.
Definition: twolevelmethod.hh:245
CoarseLevelSolver * createCoarseLevelSolver(P &transferPolicy)
Constructs a coarse level solver.
Definition: twolevelmethod.hh:319
S Smoother
The type of the smoother used in AMG.
Definition: twolevelmethod.hh:241
Attaches properties to the edges and vertices of a graph.
Definition: graph.hh:976
VertexDescriptor maxVertex() const
Get the maximal vertex descriptor.
Definition: twolevelmethod.hh:347
CoarseOperatorType::range_type CoarseRangeType
The type of the range of the coarse level operator.
Definition: twolevelmethod.hh:374
FineOperatorType::domain_type FineDomainType
The type of the domain of the fine level operator.
Definition: twolevelmethod.hh:365
FO FineOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:357
CoarseLevelSolverPolicy::CoarseLevelSolver CoarseLevelSolver
The type of the coarse level solver.
Definition: twolevelmethod.hh:352
@ category
The category the preconditioner is part of.
Definition: twolevelmethod.hh:386
CSP CoarseLevelSolverPolicy
The type of the policy for constructing the coarse level solver.
Definition: twolevelmethod.hh:350
CoarseOperatorType::domain_type CoarseDomainType
The type of the domain of the coarse level operator.
Definition: twolevelmethod.hh:378
TwoLevelMethod(const FineOperatorType &op, std::shared_ptr< SmootherType > smoother, const LevelTransferPolicy< FineOperatorType, CoarseOperatorType > &policy, CoarseLevelSolverPolicy &coarsePolicy, std::size_t preSteps=1, std::size_t postSteps=1)
Constructs a two level method.
Definition: twolevelmethod.hh:403
FineOperatorType::range_type FineRangeType
The type of the range of the fine level operator.
Definition: twolevelmethod.hh:361
CSP::Operator CoarseOperatorType
The linear operator of the finel level system. Has to be derived from AssembledLinearOperator.
Definition: twolevelmethod.hh:370
S SmootherType
The type of the fine level smoother.
Definition: twolevelmethod.hh:382
Class representing a node in the matrix graph.
Definition: dependency.hh:125
virtual void apply(X &x, X &b, InverseOperatorResult &res)=0
Apply inverse operator,.
Adapter to turn a random access iterator into a property map.
Definition: propertymap.hh:107
The negation of a set. An item is contained in the set if and only if it is not contained in the nega...
Definition: enumset.hh:95
Base class for matrix free definition of preconditioners.
Definition: preconditioner.hh:26
Provides a class for building the galerkin product based on a aggregation scheme.
SmootherTraits< Smoother >::Arguments SmootherArgs
The argument type for the construction of the smoother.
Definition: amg.hh:91
Operator Operator
The matrix operator type.
Definition: amg.hh:64
void presmooth(LevelContext &levelContext, size_t steps)
Apply pre smoothing on the current level.
Definition: smoother.hh:408
void postsmooth(LevelContext &levelContext, size_t steps)
Apply post smoothing on the current level.
Definition: smoother.hh:430
Define general, extensible interface for operators. The available implementation wraps a matrix.
Define general, extensible interface for inverse operators.
The default class for the smoother arguments.
Definition: smoother.hh:36
A property map that applies the identity function to integers.
Definition: propertymap.hh:292
Statistics about the application of an inverse operator.
Definition: solver.hh:32
@ sequential
Category for sequential solvers.
Definition: solvercategory.hh:21
Definition of the DUNE_UNUSED macro for the case that config.h is not available.
#define DUNE_UNUSED_PARAMETER(parm)
A macro to mark intentional unused function parameters with.
Definition: unused.hh:18
|
Legal Statements / Impressum |
Hosted by TU Dresden |
generated with Hugo v0.111.3
(Dec 22, 23:30, 2024)