oofem::gNTfTerm Class Reference

A continuity equation term ($Hp=(\grad N_p)^T f(p)$, where $f=\bf{k}/\mu \grad p$. More...

#include <termlibrary.h>

Inheritance diagram for oofem::gNTfTerm:

Collaboration diagram for oofem::gNTfTerm:

Public Member Functions
	gNTfTerm (const Variable *testField, const Variable *unknownField, MatResponseMode lhsType, MatResponseMode rhsType)
void	evaluate_lin (FloatMatrix &answer, MPElement &e, GaussPoint *gp, TimeStep *tstep) const override
	Evaluates $\bf{H}$ matrix, the linearization of $w^T(\grad N)^T f(p)$, i.e. $(\grad N)^T \bf{k}/\mu \grad p = \bf{H}$.
void	evaluate (FloatArray &, MPElement &cell, GaussPoint *gp, TimeStep *tstep) const override
	Evaluates Internal forces vector, i.e. $w^T(\grad N)^T f(p)$.
void	getDimensions (Element &cell) const override
void	initializeCell (Element &cell) const override
Public Member Functions inherited from oofem::Term
	Term ()
	Term (const Variable *testField, const Variable *unknownField, MaterialMode m=MaterialMode::_Unknown)
virtual IntegrationRule *	giveElementIntegrationRule (Element *e) const
virtual void	initializeFrom (InputRecord &ir, EngngModel *problem)

Protected Member Functions
void	grad (FloatMatrix &answer, const Variable *v, const FEInterpolation *interpol, const Element &cell, const FloatArray &coords) const
	Evaluates B matrix; i.e. $\grad N$ where $N$ is interpolation matrix of unknown (p).

Protected Attributes
MatResponseMode	lhsType
MatResponseMode	rhsType

Additional Inherited Members
Public Attributes inherited from oofem::Term
const Variable *	field
const Variable *	testField
MaterialMode	mode

Detailed Description

A continuity equation term ($Hp=(\grad N_p)^T f(p)$, where $f=\bf{k}/\mu \grad p$.

Definition at line 92 of file termlibrary.h.

Constructor & Destructor Documentation

gNTfTerm()

oofem::gNTfTerm::gNTfTerm	(	const Variable *	testField,
		const Variable *	unknownField,
		MatResponseMode	lhsType,
		MatResponseMode	rhsType )

Definition at line 119 of file termlibrary.C.

References gNTfTerm(), lhsType, rhsType, oofem::Term::Term(), and oofem::Term::testField.

Referenced by gNTfTerm(), and oofem::TMgNTfTerm::TMgNTfTerm().

Member Function Documentation

evaluate()

void oofem::gNTfTerm::evaluate ( FloatArray & answer, MPElement & cell, GaussPoint * gp, TimeStep * tstep ) const

overridevirtual

Evaluates Internal forces vector, i.e. $w^T(\grad N)^T f(p)$.

Parameters

cell
coords

Implements oofem::Term.

Reimplemented in oofem::TMgNTfTerm.

Definition at line 130 of file termlibrary.C.

References oofem::FloatArray::beProductOf(), oofem::FloatArray::beTProductOf(), oofem::Term::field, oofem::MPElement::getUnknownVector(), oofem::Material::giveCharacteristicVector(), oofem::Element::giveCrossSection(), oofem::CrossSection::giveMaterial(), oofem::GaussPoint::giveNaturalCoordinates(), grad(), and rhsType.

evaluate_lin()

void oofem::gNTfTerm::evaluate_lin ( FloatMatrix & answer, MPElement & e, GaussPoint * gp, TimeStep * tstep ) const

overridevirtual

Evaluates $\bf{H}$ matrix, the linearization of $w^T(\grad N)^T f(p)$, i.e. $(\grad N)^T \bf{k}/\mu \grad p = \bf{H}$.

Parameters

answer
e
coords

Implements oofem::Term.

Definition at line 122 of file termlibrary.C.

References oofem::FloatMatrix::beProductOf(), oofem::FloatMatrix::beTProductOf(), oofem::Term::field, oofem::Material::giveCharacteristicMatrix(), oofem::Element::giveCrossSection(), oofem::CrossSection::giveMaterial(), oofem::GaussPoint::giveNaturalCoordinates(), grad(), and lhsType.

getDimensions()

void oofem::gNTfTerm::getDimensions ( Element & cell ) const

overridevirtual

Implements oofem::Term.

Definition at line 140 of file termlibrary.C.

grad()

void oofem::gNTfTerm::grad ( FloatMatrix & answer, const Variable * v, const FEInterpolation * interpol, const Element & cell, const FloatArray & coords ) const

protected

Evaluates B matrix; i.e. $\grad N$ where $N$ is interpolation matrix of unknown (p).

Parameters

answer	B matrix
v
interpol
cell
coords

Definition at line 147 of file termlibrary.C.

References oofem::FloatMatrix::beTranspositionOf(), and oofem::FEInterpolation::evaldNdx().

Referenced by evaluate(), oofem::TMgNTfTerm::evaluate(), and evaluate_lin().

initializeCell()

void oofem::gNTfTerm::initializeCell ( Element & cell ) const

overridevirtual

Implements oofem::Term.

Definition at line 145 of file termlibrary.C.

Member Data Documentation

lhsType

MatResponseMode oofem::gNTfTerm::lhsType

protected

Definition at line 94 of file termlibrary.h.

Referenced by evaluate_lin(), gNTfTerm(), and oofem::TMgNTfTerm::TMgNTfTerm().

rhsType

MatResponseMode oofem::gNTfTerm::rhsType

protected

Definition at line 94 of file termlibrary.h.

Referenced by evaluate(), oofem::TMgNTfTerm::evaluate(), gNTfTerm(), and oofem::TMgNTfTerm::TMgNTfTerm().

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

• termlibrary.h
• termlibrary.C