Linear

Linear solvers and helpers. More...

Description

Linear solvers and helpers.

Files
file	amgbackend.hh
	Provides a parallel linear solver based on the ISTL AMG preconditioner and the ISTL BiCGSTAB solver.
file	istlsolverfactorybackend.hh
	Provides a generic linear solver based on the ISTL that chooses the solver and preconditioner at runtime.
file	istlsolverregistry.hh
	The specialized Dumux macro and tag for the ISTL registry to choose the solver and preconditioner at runtime.
file	linearsolveracceptsmultitypematrix.hh
	Trait checking if linear solvers accept Dune::MultiTypeBlockMatrix or we need to convert the matrix.
file	linearsolverparameters.hh
	Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL.
file	linearsolvertraits.hh
	Define traits for linear solvers.
file	matrixconverter.hh
	A helper class that converts a Dune::MultiTypeBlockMatrix into a plain Dune::BCRSMatrix.
file	parallelhelpers.hh
	Provides a helper class for nonoverlapping decomposition.
file	linear/pdesolver.hh
	A high-level solver interface for a linear PDE solver.
file	preconditioners.hh
	Dumux preconditioners for iterative solvers.
file	scalarproducts.hh
	Classes to compute scalar products.
file	scotchbackend.hh
	An interface to the scotch library for matrix reordering.
file	seqsolverbackend.hh
	Dumux sequential linear solver backends.
file	solver.hh
	Base class for linear solvers.

Classes
class	Dumux::AMGBiCGSTABBackend< LinearSolverTraits >
	A linear solver based on the ISTL AMG preconditioner and the ISTL BiCGSTAB solver. More...
class	Dumux::IstlSolverFactoryBackend< LinearSolverTraits >
	A linear solver using the dune-istl solver factory to choose the solver and preconditioner at runtime. More...
class	Dumux::LinearSolverParameters< LinearSolverTraits >
	Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL. More...
class	Dumux::MatrixConverter< MultiTypeBlockMatrix, Scalar >
	A helper class that converts a Dune::MultiTypeBlockMatrix into a plain Dune::BCRSMatrix TODO: allow block sizes for BCRSMatrix other than 1x1 ? More...
class	Dumux::VectorConverter< MultiTypeBlockVector, Scalar >
	A helper class that converts a Dune::MultiTypeBlockVector into a plain Dune::BlockVector and transfers back values. More...
class	Dumux::ParallelISTLHelper< LinearSolverTraits >
	A parallel helper class providing a nonoverlapping decomposition of all degrees of freedom. More...
class	Dumux::ParallelMatrixHelper< Matrix, GridView, RowDofMapper, rowDofCodim >
	Helper class for adding up matrix entries for border entities. More...
class	Dumux::LinearPDESolver< Assembler, LinearSolver >
	An implementation of a linear PDE solver. More...
class	Dumux::SeqUzawa< M, X, Y, l >
	A preconditioner based on the Uzawa algorithm for saddle-point problems of the form \( \begin{pmatrix} A & B \\ C & D \end{pmatrix} \begin{pmatrix} u\\ p \end{pmatrix} = \begin{pmatrix} f\\ g \end{pmatrix} \). More...
class	Dumux::ScotchBackend< IndexType >
	A reordering backend using the scotch library. More...
class	Dumux::IterativePreconditionedSolverImpl
	A general solver backend allowing arbitrary preconditioners and solvers. More...
class	Dumux::ILUnBiCGSTABBackend
	Sequential ILU(n)-preconditioned BiCSTAB solver. More...
class	Dumux::SORBiCGSTABBackend
	Sequential SOR-preconditioned BiCSTAB solver. More...
class	Dumux::SSORBiCGSTABBackend
	Sequential SSOR-preconditioned BiCGSTAB solver. More...
class	Dumux::GSBiCGSTABBackend
	Sequential GS-preconditioned BiCGSTAB solver. More...
class	Dumux::JacBiCGSTABBackend
	Sequential Jacobi-preconditioned BiCSTAB solver. More...
class	Dumux::ILUnCGBackend
	Sequential ILU(n)-preconditioned CG solver. More...
class	Dumux::SORCGBackend
	Sequential SOR-preconditioned CG solver. More...
class	Dumux::SSORCGBackend
	Sequential SSOR-preconditioned CG solver. More...
class	Dumux::GSCGBackend
	Sequential GS-preconditioned CG solver. More...
class	Dumux::JacCGBackend
	Sequential Jacobi-preconditioned CG solver. More...
class	Dumux::SSORRestartedGMResBackend
	Sequential SSOR-preconditioned GMRes solver. More...
class	Dumux::ILU0BiCGSTABBackend
	Sequential ILU(0)-preconditioned BiCGSTAB solver. More...
class	Dumux::ILU0CGBackend
	Sequential ILU(0)-preconditioned CG solver. More...
class	Dumux::ILU0RestartedGMResBackend
	Sequential ILU0-preconditioned GMRes solver. More...
class	Dumux::ILUnRestartedGMResBackend
	Sequential ILU(n)-preconditioned GMRes solver. More...
class	Dumux::ExplicitDiagonalSolver
	Solver for simple block-diagonal matrices (e.g. from explicit time stepping schemes) More...
class	Dumux::UzawaBiCGSTABBackend< LinearSolverTraits >
	A Uzawa preconditioned BiCGSTAB solver for saddle-point problems. More...
class	Dumux::BlockDiagILU0Preconditioner< M, X, Y, blockLevel >
	A simple ilu0 block diagonal preconditioner. More...
class	Dumux::BlockDiagILU0BiCGSTABSolver
	A simple ilu0 block diagonal preconditioned BiCGSTABSolver. More...
class	Dumux::BlockDiagILU0RestartedGMResSolver
	A simple ilu0 block diagonal preconditioned RestartedGMResSolver. More...
class	Dumux::BlockDiagAMGPreconditioner< M, X, Y, blockLevel >
	A simple ilu0 block diagonal preconditioner. More...
class	Dumux::BlockDiagAMGBiCGSTABSolver
	A simple ilu0 block diagonal preconditioned BiCGSTABSolver. More...
class	Dumux::LinearSolver
	Base class for linear solvers. More...

Functions
template<class M >
constexpr std::size_t	Dumux::preconditionerBlockLevel () noexcept
	Returns the block level for the preconditioner for a given matrix. More...

Function Documentation

preconditionerBlockLevel()

template<class M >

constexpr std::size_t Dumux::preconditionerBlockLevel ( )

constexprnoexcept

Returns the block level for the preconditioner for a given matrix.

Template Parameters

M	The matrix.