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MueLu_UzawaSmoother_decl.hpp
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46 /*
47  * MueLu_UzawaSmoother_decl.hpp
48  *
49  * Created on: 13 May 2014
50  * Author: wiesner
51  */
52 
53 #ifndef MUELU_UZAWASMOOTHER_DECL_HPP_
54 #define MUELU_UZAWASMOOTHER_DECL_HPP_
55 
56 
57 #include "MueLu_ConfigDefs.hpp"
58 
60 
61 //Xpetra
62 #include <Xpetra_MapExtractor_fwd.hpp>
63 #include <Xpetra_MultiVectorFactory_fwd.hpp>
64 #include <Xpetra_CrsMatrixWrap_fwd.hpp>
65 #include <Xpetra_Matrix_fwd.hpp>
66 
67 //MueLu
69 #include "MueLu_SmootherPrototype.hpp"
74 #include "MueLu_Utilities_fwd.hpp"
75 
80 
81 namespace MueLu {
82 
89  template <class Scalar = SmootherPrototype<>::scalar_type,
90  class LocalOrdinal = typename SmootherPrototype<Scalar>::local_ordinal_type,
91  class GlobalOrdinal = typename SmootherPrototype<Scalar, LocalOrdinal>::global_ordinal_type,
92  class Node = typename SmootherPrototype<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
93  class UzawaSmoother : public SmootherPrototype<Scalar,LocalOrdinal,GlobalOrdinal,Node>
94  {
95  typedef Xpetra::MapExtractor<Scalar, LocalOrdinal, GlobalOrdinal, Node> MapExtractorClass;
96 
97 #undef MUELU_UZAWASMOOTHER_SHORT
98 #include "MueLu_UseShortNames.hpp"
99 
100  public:
101 
103 
104 
107  UzawaSmoother();
108 
110  virtual ~UzawaSmoother();
112 
114 
115 
117 
118  void DeclareInput(Level &currentLevel) const;
119 
123 
127 
129  void AddFactoryManager(RCP<const FactoryManagerBase> FactManager, int pos);
130 
132 
134 
135 
138  void Setup(Level &currentLevel);
139 
145  void Apply(MultiVector &X, MultiVector const &B, bool InitialGuessIsZero = false) const;
147 
149 
151 
152 
154  std::string description() const;
155 
157  //using MueLu::Describable::describe; // overloading, not hiding
158  void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const;
159 
161  size_t getNodeSmootherComplexity() const;
162 
164 
165  private:
166 
168  std::string type_;
169 
171 
173  RCP<Matrix> A_; // < ! internal blocked operator "A" generated by AFact_
174 
177 
184 
187 
189 
194  std::vector<Teuchos::RCP<const FactoryManagerBase> > FactManager_;
195 
196  }; // class UzawaSmoother
197 
198 } // namespace MueLu
199 
200 #define MUELU_UZAWASMOOTHER_SHORT
201 
202 #endif /* MUELU_UZAWASMOOTHER_DECL_HPP_ */
void Setup(Level &currentLevel)
Setup routine.
MueLu::DefaultLocalOrdinal LocalOrdinal
RCP< const FactoryBase > AFact_
A Factory.
void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel=Default) const
Print the object with some verbosity level to an FancyOStream object.
Base class for smoother prototypes.
Teuchos::RCP< Matrix > D_
divergence operator
RCP< const MapExtractorClass > domainMapExtractor_
domain map extractor (from A_ generated by AFact)
void DeclareInput(Level &currentLevel) const
Input.
void Apply(MultiVector &X, MultiVector const &B, bool InitialGuessIsZero=false) const
Apply the Braess Sarazin smoother.
MueLu::DefaultNode Node
RCP< const ParameterList > GetValidParameterList() const
Input.
RCP< const MapExtractorClass > rangeMapExtractor_
range map extractor (from A_ generated by AFact)
void SetVelocityPredictionFactoryManager(RCP< FactoryManager > FactManager)
Teuchos::RCP< Matrix > F_
fluid operator
MueLu::DefaultGlobalOrdinal GlobalOrdinal
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
Block triangle Uzawa smoother for 2x2 block matrices.
RCP< Matrix > A_
block operator
std::string description() const
Return a simple one-line description of this object.
RCP< SmootherPrototype > Copy() const
Teuchos::RCP< Matrix > Z_
pressure stabilization term or null block
std::vector< Teuchos::RCP< const FactoryManagerBase > > FactManager_
vector of factory managers
Teuchos::RCP< Vector > diagFinv_
matrices
Teuchos::RCP< SmootherBase > schurCompSmoo_
smoother for SchurComplement equation
void SetSchurCompFactoryManager(RCP< FactoryManager > FactManager)
Teuchos::RCP< Matrix > G_
pressure gradient operator
size_t getNodeSmootherComplexity() const
Get a rough estimate of cost per iteration.
Teuchos::RCP< SmootherBase > velPredictSmoo_
smoother for velocity prediction
std::string type_
smoother type
void AddFactoryManager(RCP< const FactoryManagerBase > FactManager, int pos)
Add a factory manager at a specific position.
virtual ~UzawaSmoother()
Destructor.
Xpetra::MapExtractor< Scalar, LocalOrdinal, GlobalOrdinal, Node > MapExtractorClass