oofem::BTamNTerm Class Reference

A continuity equation term $Qp=(B)^T \alpha\bf{m}N_p$. More...

#include <termlibrary.h>

Inheritance diagram for oofem::BTamNTerm:

Collaboration diagram for oofem::BTamNTerm:

Public Member Functions
	BTamNTerm ()
	BTamNTerm (const Variable *testField, const Variable *unknownField, MatResponseMode at=BiotConstant)
void	evaluate_lin (FloatMatrix &answer, MPElement &e, GaussPoint *gp, TimeStep *tstep) const override
	Evaluates the linearization of receiver, i.e. the LHS term.
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	initializeFrom (InputRecord &ir, EngngModel *problem) override
Public Member Functions inherited from oofem::MPMSymbolicTerm
	MPMSymbolicTerm ()
	MPMSymbolicTerm (const Variable *testField, const Variable *unknownField, MaterialMode m)
void	initializeFrom (InputRecord &ir, EngngModel *problem) override
void	initializeCell (Element &cell) const override
IntegrationRule *	giveElementIntegrationRule (Element *e) const override
Public Member Functions inherited from oofem::Term
	Term ()
	Term (const Variable *testField, const Variable *unknownField, MaterialMode m=MaterialMode::_Unknown)

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

Protected Attributes
MatResponseMode	aType = BiotConstant
Protected Attributes inherited from oofem::MPMSymbolicTerm
int	nip =0

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

Detailed Description

A continuity equation term $Qp=(B)^T \alpha\bf{m}N_p$.

Definition at line 133 of file termlibrary.h.

Constructor & Destructor Documentation

BTamNTerm() [1/2]

oofem::BTamNTerm::BTamNTerm ( )

inline

Definition at line 137 of file termlibrary.h.

References oofem::MPMSymbolicTerm::MPMSymbolicTerm().

BTamNTerm() [2/2]

oofem::BTamNTerm::BTamNTerm	(	const Variable *	testField,
		const Variable *	unknownField,
		MatResponseMode	at = BiotConstant )

Definition at line 156 of file termlibrary.C.

References aType, oofem::MPMSymbolicTerm::MPMSymbolicTerm(), and oofem::Term::testField.

Member Function Documentation

evaluate()

void oofem::BTamNTerm::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.

Definition at line 169 of file termlibrary.C.

References oofem::FloatArray::beProductOf(), evaluate_lin(), oofem::Term::field, and oofem::MPElement::getUnknownVector().

evaluate_lin()

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

overridevirtual

Evaluates the linearization of receiver, i.e. the LHS term.

Parameters

answer
e
coords

Implements oofem::Term.

Definition at line 158 of file termlibrary.C.

References aType, oofem::FloatMatrix::beDyadicProductOf(), oofem::FloatMatrix::beTProductOf(), oofem::Term::field, oofem::Material::giveCharacteristicValue(), oofem::Element::giveCrossSection(), oofem::CrossSection::giveMaterial(), oofem::GaussPoint::giveMaterialMode(), oofem::GaussPoint::giveNaturalCoordinates(), grad(), oofem::Term::mode, and oofem::Term::testField.

Referenced by evaluate().

getDimensions()

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

overridevirtual

Implements oofem::Term.

Definition at line 177 of file termlibrary.C.

grad()

void oofem::BTamNTerm::grad ( FloatMatrix & answer, const Variable * v, const FEInterpolation * interpol, const Element & cell, const FloatArray & coords, const MaterialMode mmode ) 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 183 of file termlibrary.C.

References oofem::FEInterpolation::evaldNdx(), oofem::Element::giveGeometryType(), oofem::FEInterpolation::giveNumberOfNodes(), oofem::FloatMatrix::resize(), and oofem::Variable::size.

Referenced by evaluate_lin().

initializeFrom()

void oofem::BTamNTerm::initializeFrom ( InputRecord & ir, EngngModel * problem )

inlineoverridevirtual

Reimplemented from oofem::Term.

Definition at line 156 of file termlibrary.h.

References aType, oofem::MPMSymbolicTerm::initializeFrom(), and IR_GIVE_FIELD.

Member Data Documentation

aType

MatResponseMode oofem::BTamNTerm::aType = BiotConstant

protected

Definition at line 135 of file termlibrary.h.

Referenced by BTamNTerm(), evaluate_lin(), and initializeFrom().

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

• termlibrary.h
• termlibrary.C