oofem::NTamTBTerm Class Reference

A continuity equation term $Q^T(du\over dt)=(N)^T \alpha\bf{m}^TB du\over dt$. More...

#include <termlibrary.h>

Inheritance diagram for oofem::NTamTBTerm:

Collaboration diagram for oofem::NTamTBTerm:

Public Member Functions
	NTamTBTerm ()
	NTamTBTerm (const Variable *testField, const Variable *unknownField, MatResponseMode at=BiotConstant, ValueModeType unknownFieldVMT=VM_Velocity)
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	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
ValueModeType	unknownFieldVMT = VM_Velocity
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 $Q^T(du\over dt)=(N)^T \alpha\bf{m}^TB du\over dt$.

Definition at line 181 of file termlibrary.h.

Constructor & Destructor Documentation

NTamTBTerm() [1/2]

oofem::NTamTBTerm::NTamTBTerm ( )

inline

Definition at line 186 of file termlibrary.h.

References oofem::MPMSymbolicTerm::MPMSymbolicTerm().

NTamTBTerm() [2/2]

oofem::NTamTBTerm::NTamTBTerm	(	const Variable *	testField,
		const Variable *	unknownField,
		MatResponseMode	at = BiotConstant,
		ValueModeType	unknownFieldVMT = VM_Velocity )

Definition at line 221 of file termlibrary.C.

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

Member Function Documentation

evaluate()

void oofem::NTamTBTerm::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 235 of file termlibrary.C.

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

evaluate_lin()

void oofem::NTamTBTerm::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 223 of file termlibrary.C.

References aType, oofem::FloatMatrix::beProductOf(), oofem::FloatMatrix::beTProductOf(), oofem::Term::field, oofem::FloatMatrix::fromArray(), 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::NTamTBTerm::getDimensions ( Element & cell ) const

overridevirtual

Implements oofem::Term.

Definition at line 243 of file termlibrary.C.

grad()

void oofem::NTamTBTerm::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 249 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::NTamTBTerm::initializeFrom ( InputRecord & ir, EngngModel * problem )

inlineoverridevirtual

Reimplemented from oofem::MPMSymbolicTerm.

Definition at line 205 of file termlibrary.h.

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

Member Data Documentation

aType

MatResponseMode oofem::NTamTBTerm::aType = BiotConstant

protected

Definition at line 183 of file termlibrary.h.

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

unknownFieldVMT

ValueModeType oofem::NTamTBTerm::unknownFieldVMT = VM_Velocity

protected

Definition at line 184 of file termlibrary.h.

Referenced by evaluate(), initializeFrom(), and NTamTBTerm().

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

• termlibrary.h
• termlibrary.C