Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM > Class Template Reference

Approximation of the schur complement. More...

#include <blockDiagonalSchurPreconditioner.hh>

Detailed Description

template<class Scalar_, class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>
class Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >

Approximation of the schur complement.

Parameters

BlockK	type: IstlInterfaceDetail::BlockInfo, information on the block containing the stiffness matrix
BlockM	type: IstlInterfaceDetail::BlockInfo, information on the block containing the mass matrix

Definition at line 275 of file blockDiagonalSchurPreconditioner.hh.

Public Types
typedef Scalar_	Scalar
typedef MatrixAsTriplet< Scalar >	Matrix

Public Member Functions
template<class Assembler >
	ApproximateSchurComplement2 (Assembler const &assembler, Scalar, bool symmetricK_=false, bool symmetricM_=false)
template<class Assembler >
void	updateMatrices (Assembler const &assembler)
template<class Domain , class Range >
void	solve (Domain &x, Range const &y, size_t nIter) const
MatrixAsTriplet< Scalar > const &	massMatrix () const
MatrixAsTriplet< Scalar > const &	stiffnessMatrix () const

Member Typedef Documentation

Matrix

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

typedef MatrixAsTriplet<Scalar> Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::Matrix

Definition at line 279 of file blockDiagonalSchurPreconditioner.hh.

Scalar

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

typedef Scalar_ Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::Scalar

Definition at line 278 of file blockDiagonalSchurPreconditioner.hh.

Constructor & Destructor Documentation

ApproximateSchurComplement2()

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

template<class Assembler >

Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::ApproximateSchurComplement2 ( Assembler const &  assembler, Scalar  , bool  symmetricK_ = false, bool  symmetricM_ = false  )

inline

Parameters

alpha	Tikhonov regularization parameter
symmetricK_	true if stiffness matrix is symmetric, else false
symmetricM_	true if mass matrix is symmetric, else false

Definition at line 287 of file blockDiagonalSchurPreconditioner.hh.

Member Function Documentation

massMatrix()

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

MatrixAsTriplet< Scalar > const & Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::massMatrix ( ) const

inline

Definition at line 322 of file blockDiagonalSchurPreconditioner.hh.

solve()

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

template<class Domain , class Range >

void Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::solve ( Domain &  x, Range const &  y, size_t  nIter  ) const

inline

Definition at line 307 of file blockDiagonalSchurPreconditioner.hh.

stiffnessMatrix()

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

MatrixAsTriplet< Scalar > const & Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::stiffnessMatrix ( ) const

inline

Definition at line 327 of file blockDiagonalSchurPreconditioner.hh.

updateMatrices()

template<class Scalar_ , class BlockK = IstlInterfaceDetail::BlockInfo<2,3,0,1>, class BlockM = IstlInterfaceDetail::BlockInfo<0,1,0,1>>

template<class Assembler >

void Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::updateMatrices ( Assembler const &  assembler )

inline

Parameters

alpha

Tikhonov regularization parameter

Definition at line 297 of file blockDiagonalSchurPreconditioner.hh.

Referenced by Kaskade::ApproximateSchurComplement2< Scalar_, BlockK, BlockM >::ApproximateSchurComplement2().

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The documentation for this class was generated from the following file:

• blockDiagonalSchurPreconditioner.hh