class BilinearFormIntegrator

A BilinearFormIntegrator computes the element matrices.

Documentation

A BilinearFormIntegrator computes the element matrices. Different equations are provided by derived classes. A Integrator can be defined in the domain or at the boundary.

Inheritance:

Public Methods

BilinearFormIntegrator()

virtual ~BilinearFormIntegrator()

virtual void AssembleElementMatrix(const FiniteElement & fel, const ElementTransformation & eltrans, FlatMatrix<double> & elmat, LocalHeap & locheap) const = 0

Assembles element matrix.

virtual FlatMatrix<double> AssembleMixedElementMatrix(const FiniteElement & fel1, const FiniteElement & fel2, const ElementTransformation & eltrans, LocalHeap & locheap) const

virtual void ApplyMixedElementMatrix(const FiniteElement & fel1, const FiniteElement & fel2, const ElementTransformation & eltrans, const FlatVector<TSCAL> & elx, FlatVector<TSCAL> & ely, LocalHeap & locheap) const

Inherited from Integrator:

Public Methods

virtual bool BoundaryForm() const

bool DefinedOn(int mat) const

static void SetCommonIntegrationOrder(int cio)

void SetIntegrationOrder(int io)

virtual string Name() const

Protected Fields

BitArray definedon

int integration_order

static int common_integration_order

BilinearFormIntegrator()

virtual ~BilinearFormIntegrator()

virtual void AssembleElementMatrix(const FiniteElement & fel, const ElementTransformation & eltrans, FlatMatrix<double> & elmat, LocalHeap & locheap) const = 0

Assembles element matrix. Result is in elmat, memory is allocated by functions on LocalHeap.

virtual FlatMatrix<double> AssembleMixedElementMatrix(const FiniteElement & fel1, const FiniteElement & fel2, const ElementTransformation & eltrans, LocalHeap & locheap) const

virtual void ApplyMixedElementMatrix(const FiniteElement & fel1, const FiniteElement & fel2, const ElementTransformation & eltrans, const FlatVector<TSCAL> & elx, FlatVector<TSCAL> & ely, LocalHeap & locheap) const

Direct child classes:

T_BDBIntegrator
EquilibriumIntegratorxxx
EquilibriumIntegrator
B1DB2Integrator

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