#include <tr21stokes.h>

Inheritance diagram for oofem::Tr21Stokes:

Collaboration diagram for oofem::Tr21Stokes:

Public Member Functions
	Tr21Stokes (int n, Domain *d)
double	computeVolumeAround (GaussPoint *gp) override
void	computeGaussPoints () override
void	giveCharacteristicVector (FloatArray &answer, CharType type, ValueModeType mode, TimeStep *tStep) override
void	giveCharacteristicMatrix (FloatMatrix &answer, CharType type, TimeStep *tStep) override
void	computeInternalForcesVector (FloatArray &answer, TimeStep *tStep)
void	computeStiffnessMatrix (FloatMatrix &answer, MatResponseMode mode, TimeStep *tStep)
void	computeExternalForcesVector (FloatArray &answer, TimeStep *tStep)
void	computeLoadVector (FloatArray &answer, BodyLoad load, CharType type, ValueModeType mode, TimeStep tStep) override
void	computeBoundarySurfaceLoadVector (FloatArray &answer, BoundaryLoad load, int boundary, CharType type, ValueModeType mode, TimeStep tStep, bool global=true) override
const char *	giveClassName () const override
const char *	giveInputRecordName () const override
MaterialMode	giveMaterialMode () override
Element_Geometry_Type	giveGeometryType () const override
int	computeNumberOfDofs () override
FEInterpolation *	giveInterpolation () const override
FEInterpolation *	giveInterpolation (DofIDItem id) const override
void	giveDofManDofIDMask (int inode, IntArray &answer) const override
void	updateYourself (TimeStep *tStep) override
Interface *	giveInterface (InterfaceType it) override
void	computeField (ValueModeType u, TimeStep *tStep, const FloatArray &coords, FloatArray &answer) override
void	NodalAveragingRecoveryMI_computeNodalValue (FloatArray &answer, int node, InternalStateType type, TimeStep *tStep) override
Public Member Functions inherited from oofem::FMElement
	FMElement (int n, Domain *aDomain)
virtual void	updateStabilizationCoeffs (TimeStep *tStep)
void	computeVectorOfVelocities (ValueModeType mode, TimeStep *tStep, FloatArray &velocities)
void	computeVectorOfPressures (ValueModeType mode, TimeStep *tStep, FloatArray &pressures)
FloatArray	computeVectorOfVelocities (ValueModeType mode, TimeStep *tStep)
FloatArray	computeVectorOfPressures (ValueModeType mode, TimeStep *tStep)
Public Member Functions inherited from oofem::Element
	Element (int n, Domain *aDomain)
	Element (const Element &src)=delete
Element &	operator= (const Element &src)=delete
virtual	~Element ()
	Virtual destructor.
void	giveLocationArray (IntArray &locationArray, const UnknownNumberingScheme &s, IntArray *dofIds=NULL) const
void	giveLocationArray (IntArray &locationArray, const IntArray &dofIDMask, const UnknownNumberingScheme &s, IntArray *dofIds=NULL) const
virtual void	giveBoundaryLocationArray (IntArray &locationArray, const IntArray &bNodes, const UnknownNumberingScheme &s, IntArray *dofIds=NULL)
virtual void	giveBoundaryLocationArray (IntArray &locationArray, const IntArray &bNodes, const IntArray &dofIDMask, const UnknownNumberingScheme &s, IntArray *dofIds=NULL)
virtual int	giveNumberOfDofs ()
virtual int	giveNumberOfInternalDofManagers () const
virtual DofManager *	giveInternalDofManager (int i) const
virtual void	setInternalDofManager (int num, std::unique_ptr< DofManager > dm)
virtual double	giveCharacteristicValue (CharType type, TimeStep *tStep)
virtual void	computeTangentFromSurfaceLoad (FloatMatrix &answer, BoundaryLoad load, int boundary, MatResponseMode rmode, TimeStep tStep)
virtual void	computeTangentFromEdgeLoad (FloatMatrix &answer, BoundaryLoad load, int boundary, MatResponseMode rmode, TimeStep tStep)
virtual void	computeBoundaryEdgeLoadVector (FloatArray &answer, BoundaryLoad load, int edge, CharType type, ValueModeType mode, TimeStep tStep, bool global=true)
const IntArray &	giveBodyLoadList () const
const IntArray &	giveBoundaryLoadList () const
void	computeVectorOf (ValueModeType u, TimeStep *tStep, FloatArray &answer)
void	computeVectorOf (const IntArray &dofIDMask, ValueModeType u, TimeStep *tStep, FloatArray &answer, bool padding=false)
void	computeBoundaryVectorOf (const IntArray &bNodes, const IntArray &dofIDMask, ValueModeType u, TimeStep *tStep, FloatArray &answer, bool padding=false)
void	computeVectorOf (PrimaryField &field, const IntArray &dofIDMask, ValueModeType u, TimeStep *tStep, FloatArray &answer, bool padding=false)
void	computeVectorOfPrescribed (ValueModeType u, TimeStep *tStep, FloatArray &answer)
void	computeVectorOfPrescribed (const IntArray &dofIDMask, ValueModeType type, TimeStep *tStep, FloatArray &answer)
virtual int	computeNumberOfGlobalDofs ()
int	computeNumberOfPrimaryMasterDofs ()
virtual bool	computeGtoLRotationMatrix (FloatMatrix &answer)
virtual bool	giveRotationMatrix (FloatMatrix &answer)
virtual bool	computeDofTransformationMatrix (FloatMatrix &answer, const IntArray &nodes, bool includeInternal)
virtual void	giveInternalDofManDofIDMask (int inode, IntArray &answer) const
virtual void	giveElementDofIDMask (IntArray &answer) const
virtual double	computeVolumeAreaOrLength ()
	Computes the volume, area or length of the element depending on its spatial dimension.
double	computeMeanSize ()
virtual double	computeVolume ()
virtual double	computeArea ()
virtual double	computeLength ()
virtual IntArray	giveBoundaryEdgeNodes (int boundary, bool includeHierarchical=false) const
virtual IntArray	giveBoundarySurfaceNodes (int boundary, bool includeHierarchical=false) const
virtual IntArray	giveBoundaryNodes (int boundary) const
virtual std::unique_ptr< IntegrationRule >	giveBoundaryEdgeIntegrationRule (int order, int boundary)
virtual std::unique_ptr< IntegrationRule >	giveBoundarySurfaceIntegrationRule (int order, int boundary)
int	giveDofManagerNumber (int i) const
const IntArray &	giveDofManArray () const
void	addDofManager (DofManager *dMan)
DofManager *	giveDofManager (int i) const
Node *	giveNode (int i) const
virtual ElementSide *	giveSide (int i) const
virtual const FEInterpolation *	getGeometryInterpolation () const
virtual Material *	giveMaterial ()
int	giveMaterialNumber () const
CrossSection *	giveCrossSection ()
int	getActivityTimeFunctionNumber ()
void	setActivityTimeFunctionNumber (int funcIndx)
void	setMaterial (int matIndx)
virtual void	setCrossSection (int csIndx)
virtual int	giveNumberOfDofManagers () const
void	setNumberOfDofManagers (int i)
	Sets number of element dof managers.
virtual int	giveNumberOfNodes () const
void	setDofManagers (const IntArray &dmans)
void	setDofManager (int id, int dm)
void	setBodyLoads (const IntArray &bodyLoads)
void	setIntegrationRules (std ::vector< std ::unique_ptr< IntegrationRule > > irlist)
virtual integrationDomain	giveIntegrationDomain () const
virtual int	giveIntegrationRuleLocalCodeNumbers (IntArray &answer, IntegrationRule &ie)
int	giveRegionNumber ()
virtual void	updateInternalState (TimeStep *tStep)
virtual void	initializeYourself (TimeStep *timeStepWhenICApply)
int	checkConsistency () override
virtual bool	isActivated (TimeStep *tStep)
virtual bool	isCast (TimeStep *tStep)
virtual void	initForNewStep ()
virtual Element_Geometry_Type	giveEdgeGeometryType (int id) const
	Returns the receiver edge geometry type.
virtual Element_Geometry_Type	giveSurfaceGeometryType (int id) const
	Returns the receiver surface geometry type.
virtual int	giveSpatialDimension ()
virtual int	giveNumberOfBoundarySides ()
	Returns number of boundaries (entities of element_dimension-1: points, edges, surfaces).
virtual int	giveNumberOfEdges () const
virtual int	giveNumberOfSurfaces () const
virtual int	giveDefaultIntegrationRule () const
virtual IntegrationRule *	giveDefaultIntegrationRulePtr ()
int	giveNumberOfIntegrationRules ()
virtual IntegrationRule *	giveIntegrationRule (int i)
std::vector< std ::unique_ptr< IntegrationRule > > &	giveIntegrationRulesArray ()
virtual int	testElementExtension (ElementExtension ext)
virtual int	giveIPValue (FloatArray &answer, GaussPoint gp, InternalStateType type, TimeStep tStep)
int	giveGlobalIPValue (FloatArray &answer, GaussPoint gp, InternalStateType type, TimeStep tStep)
virtual double	giveLengthInDir (const FloatArray &normalToCrackPlane)
virtual double	giveCharacteristicLength (const FloatArray &normalToCrackPlane)
double	giveCharacteristicLengthForPlaneElements (const FloatArray &normalToCrackPlane)
double	giveCharacteristicLengthForAxisymmElements (const FloatArray &normalToCrackPlane)
virtual double	giveCharacteristicSize (GaussPoint *gp, FloatArray &normalToCrackPlane, ElementCharSizeMethod method)
virtual double	giveParentElSize () const
virtual void	updateBeforeNonlocalAverage (TimeStep *tStep)
virtual int	computeGlobalCoordinates (FloatArray &answer, const FloatArray &lcoords)
virtual bool	computeLocalCoordinates (FloatArray &answer, const FloatArray &gcoords)
virtual int	giveLocalCoordinateSystem (FloatMatrix &answer)
virtual void	giveLocalCoordinateSystemVector (InternalStateType isttype, FloatArray &answer)
virtual void	computeMidPlaneNormal (FloatArray &answer, const GaussPoint *gp)
virtual int	adaptiveMap (Domain oldd, TimeStep tStep)
virtual int	mapStateVariables (Domain &iOldDom, const TimeStep &iTStep)
virtual int	adaptiveUpdate (TimeStep *tStep)
virtual int	adaptiveFinish (TimeStep *tStep)
void	updateLocalNumbering (EntityRenumberingFunctor &f) override
template<class T>
void	ipEvaluator (T src, void(T ::f)(GaussPoint *gp))
	Integration point evaluator, loops over receiver IP's and calls given function (passed as f parameter) on them. The IP is parameter to function f.
template<class T, class S>
void	ipEvaluator (T src, void(T ::f)(GaussPoint *, S &), S &_val)
	Integration point evaluator, loops over receiver IP's and calls given function (passed as f parameter) on them. The IP is parameter to function f as well as additional array.
virtual void	drawYourself (oofegGraphicContext &gc, TimeStep *tStep)
virtual void	drawAnnotation (oofegGraphicContext &gc, TimeStep *tStep)
virtual void	drawRawGeometry (oofegGraphicContext &gc, TimeStep *tStep)
virtual void	drawDeformedGeometry (oofegGraphicContext &gc, TimeStep *tStep, UnknownType)
virtual void	drawScalar (oofegGraphicContext &gc, TimeStep *tStep)
virtual void	drawSpecial (oofegGraphicContext &gc, TimeStep *tStep)
virtual void	giveLocalIntVarMaxMin (oofegGraphicContext &gc, TimeStep *tStep, double &emin, double &emax)
virtual int	giveInternalStateAtNode (FloatArray &answer, InternalStateType type, InternalStateMode mode, int node, TimeStep *tStep)
virtual int	giveInternalStateAtSide (FloatArray &answer, InternalStateType type, InternalStateMode mode, int side, TimeStep *tStep)
virtual void	showSparseMtrxStructure (CharType mtrx, oofegGraphicContext &gc, TimeStep *tStep)
	Shows sparse structure.
virtual void	showExtendedSparseMtrxStructure (CharType mtrx, oofegGraphicContext &gc, TimeStep *tStep)
	Shows extended sparse structure (for example, due to nonlocal interactions for tangent stiffness).
int	giveLabel () const
int	giveGlobalNumber () const
void	setGlobalNumber (int num)
elementParallelMode	giveParallelMode () const
void	setParallelMode (elementParallelMode _mode)
	Sets parallel mode of element.
virtual elementParallelMode	giveKnotSpanParallelMode (int) const
int	packUnknowns (DataStream &buff, TimeStep *tStep)
int	unpackAndUpdateUnknowns (DataStream &buff, TimeStep *tStep)
int	estimatePackSize (DataStream &buff)
const IntArray *	givePartitionList () const
void	setPartitionList (IntArray &pl)
virtual double	predictRelativeComputationalCost ()
virtual double	giveRelativeSelfComputationalCost ()
virtual double	predictRelativeRedistributionCost ()
IntArray *	giveBodyLoadArray ()
	Returns array containing load numbers of loads acting on element.
IntArray *	giveBoundaryLoadArray ()
	Returns array containing load numbers of boundary loads acting on element.
void	initializeFrom (InputRecord &ir, int priority) override
void	initializeFinish () override
void	postInitialize () override
	Performs post initialization steps.
void	giveInputRecord (DynamicInputRecord &input) override
void	saveContext (DataStream &stream, ContextMode mode) override
void	restoreContext (DataStream &stream, ContextMode mode) override
void	printOutputAt (FILE file, TimeStep tStep) override
virtual const IntArray	giveLocation ()
virtual void	recalculateCoordinates (int nodeNumber, FloatArray &coords)
void	setSharedEdgeID (int iedge, int globalID)
void	setSharedSurfaceID (int isurf, int globalID)
const IntArray *	giveSharedEdgeIDs () const
const IntArray *	giveSharedSurfaceIDs () const
Public Member Functions inherited from oofem::FEMComponent
	FEMComponent (int n, Domain *d)
virtual	~FEMComponent ()=default
	Virtual destructor.
Domain *	giveDomain () const
virtual void	setDomain (Domain *d)
int	giveNumber () const
void	setNumber (int num)
virtual void	initializeFrom (InputRecord &ir)
virtual void	printYourself ()
	Prints receiver state on stdout. Useful for debugging.
std::string	errorInfo (const char *func) const
	Returns string for prepending output (used by error reporting macros).
Public Member Functions inherited from oofem::NodalAveragingRecoveryModelInterface
	NodalAveragingRecoveryModelInterface ()
	Constructor.
Public Member Functions inherited from oofem::Interface
	Interface ()
	Constructor.
virtual	~Interface ()
Public Member Functions inherited from oofem::ZZNodalRecoveryModelInterface
	ZZNodalRecoveryModelInterface (Element *element)
	Constructor.
virtual bool	ZZNodalRecoveryMI_computeNValProduct (FloatMatrix &answer, InternalStateType type, TimeStep *tStep)
virtual void	ZZNodalRecoveryMI_computeNNMatrix (FloatArray &answer, InternalStateType type)
Public Member Functions inherited from oofem::SpatialLocalizerInterface
	SpatialLocalizerInterface (Element *element)
virtual int	SpatialLocalizerI_containsPoint (const FloatArray &coords)
int	SpatialLocalizerI_BBoxContainsPoint (const FloatArray &coords)
virtual void	SpatialLocalizerI_giveBBox (FloatArray &bb0, FloatArray &bb1)
virtual double	SpatialLocalizerI_giveClosestPoint (FloatArray &lcoords, FloatArray &closest, const FloatArray &gcoords)

Static Protected Attributes
static FEI2dTrLin	interpolation_lin
	Interpolation for pressure.
static FEI2dTrQuad	interpolation_quad
	Interpolation for geometry and velocity.
static IntArray	momentum_ordering = {1, 2, 4, 5, 7, 8, 10, 11, 12, 13, 14, 15}
	Ordering of dofs in element. Used to assemble the element stiffness.
static IntArray	conservation_ordering = {3, 6, 9}
static IntArray	edge_ordering [3]
	Ordering of dofs on edges. Used to assemble edge loads.

Additional Inherited Members
Static Public Attributes inherited from oofem::Element
static ParamKey	IPK_Element_mat
static ParamKey	IPK_Element_crosssect
static ParamKey	IPK_Element_nodes
static ParamKey	IPK_Element_bodyload
static ParamKey	IPK_Element_boundaryload
static ParamKey	IPK_Element_lcs
static ParamKey	IPK_Element_partitions
static ParamKey	IPK_Element_remote
static ParamKey	IPK_Element_activityTimeFunction
static ParamKey	IPK_Element_nip
Protected Attributes inherited from oofem::Element
int	numberOfDofMans
	Number of dofmanagers.
IntArray	dofManArray
	Array containing dofmanager numbers.
int	material
	Number of associated material.
int	crossSection
	Number of associated cross section.
IntArray	bodyLoadArray
IntArray	boundaryLoadArray
std::vector< std ::unique_ptr< IntegrationRule > >	integrationRulesArray
FloatMatrix	elemLocalCS
	Transformation material matrix, used in orthotropic and anisotropic materials, global->local transformation.
int	activityTimeFunction
	Element activity time function. If defined, nonzero value indicates active receiver, zero value inactive element.
int	globalNumber
int	numberOfGaussPoints
elementParallelMode	parallel_mode
	Determines the parallel mode of the element.
IntArray	partitions
IntArray	globalEdgeIDs
IntArray	globalSurfaceIDs
Protected Attributes inherited from oofem::FEMComponent
int	number
	Component number.
Domain *	domain
	Link to domain object, useful for communicating with other FEM components.

Detailed Description

Triangular Taylor-Hood element for Stokes flow. Quadratic interpolation of geometry and velocity, and linear interpolation of pressures.

Author: Carl Sandström; Mikael Öhman

Definition at line 57 of file tr21stokes.h.

Constructor & Destructor Documentation

◆ Tr21Stokes()

oofem::Tr21Stokes::Tr21Stokes	(	int	n,
		Domain *	d )

Definition at line 69 of file tr21stokes.C.

References oofem::FMElement::FMElement(), oofem::Domain::giveEngngModel(), oofem::EngngModel::giveProblemScale(), oofem::macroScale, oofem::Element::numberOfDofMans, oofem::SpatialLocalizerInterface::SpatialLocalizerInterface(), and oofem::ZZNodalRecoveryModelInterface::ZZNodalRecoveryModelInterface().

Member Function Documentation

◆ computeBoundarySurfaceLoadVector()

void oofem::Tr21Stokes::computeBoundarySurfaceLoadVector	(	FloatArray &	answer,
		BoundaryLoad *	load,
		int	boundary,
		CharType	type,
		ValueModeType	mode,
		TimeStep *	tStep,
		bool	global = true )

overridevirtual

Computes the contribution of the given load at the given boundary surface in global coordinate system. In general, the answer should include only relevant DOFs at the edge. The related is giveBoundaryLocationArray method, which should return corresponding code numbers.

Note: Elements which do not have an contribution should resize the vector to be empty.

Parameters

answer	Requested contribution of load.
load	Load to compute contribution from.
boundary	Boundary number.
type	Type of the contribution.
mode	Determines mode of answer.
tStep	Time step when answer is computed.
global	if true (default) then contribution is in global c.s., when false then contribution is in element local c.s.

Reimplemented from oofem::Element.

Definition at line 237 of file tr21stokes.C.

References oofem::FloatArray::assemble(), oofem::FloatArray::clear(), oofem::BoundaryLoad::computeValueAt(), edge_ordering, oofem::BoundaryLoad::giveApproxOrder(), oofem::Load::giveFormulationType(), oofem::BoundaryLoad::giveType(), interpolation_quad, N, OOFEM_ERROR, oofem::FloatArray::resize(), oofem::GaussIntegrationRule::SetUpPointsOnLine(), oofem::TransmissionBC, and oofem::FloatArray::zero().

Referenced by computeExternalForcesVector().

◆ computeExternalForcesVector()

void oofem::Tr21Stokes::computeExternalForcesVector	(	FloatArray &	answer,
		TimeStep *	tStep )

Definition at line 171 of file tr21stokes.C.

References oofem::FloatArray::add(), oofem::Element::bodyLoadArray, oofem::BodyLoadBGT, oofem::Element::boundaryLoadArray, oofem::FloatArray::clear(), computeBoundarySurfaceLoadVector(), computeLoadVector(), oofem::FEMComponent::domain, oofem::EdgeLoadBGT, oofem::ForceLoadBVT, oofem::GeneralBoundaryCondition::giveBCGeoType(), oofem::GeneralBoundaryCondition::giveBCValType(), and oofem::Element::giveBodyLoadArray().

Referenced by giveCharacteristicVector().

◆ computeField()

void oofem::Tr21Stokes::computeField	(	ValueModeType	mode,
		TimeStep *	tStep,
		const FloatArray &	lcoords,
		FloatArray &	answer )

overridevirtual

Computes the unknown vector interpolated at the specified local coordinates. Used for exporting data and mapping fields.

See also: giveElementDofIDMask The unknown vector should match the element field as specified by the element dof IDs.

Parameters

mode	Mode (total, increment, etc) of the output
tStep	Time step to evaluate at
lcoords	Local coordinates to evaluate at
answer	Results

Reimplemented from oofem::Element.

Definition at line 368 of file tr21stokes.C.

References oofem::FloatArray::at(), oofem::Element::computeVectorOf(), oofem::FloatArray::giveSize(), interpolation_lin, interpolation_quad, oofem::FloatArray::resize(), and oofem::FloatArray::zero().

◆ computeGaussPoints()

void oofem::Tr21Stokes::computeGaussPoints ( )

overridevirtual

Initializes the array of integration rules member variable. Element can have multiple integration rules for different tasks. For example structural element family class uses this feature to implement transparent support for reduced and selective integration of some strain components. Must be defined by terminator classes.

See also: IntegrationRule

Reimplemented from oofem::Element.

Definition at line 79 of file tr21stokes.C.

References oofem::Element::giveCrossSection(), oofem::Element::integrationRulesArray, and oofem::Element::numberOfGaussPoints.

◆ computeInternalForcesVector()

void oofem::Tr21Stokes::computeInternalForcesVector	(	FloatArray &	answer,
		TimeStep *	tStep )

Definition at line 132 of file tr21stokes.C.

References oofem::FloatArray::assemble(), oofem::Bmatrix_2d(), oofem::FluidDynamicMaterial::computeDeviatoricStress2D(), oofem::FMElement::computeVectorOfPressures(), oofem::FMElement::computeVectorOfVelocities(), conservation_ordering, oofem::dot(), oofem::flatten(), oofem::Element::giveCrossSection(), oofem::Element::integrationRulesArray, interpolation_lin, interpolation_quad, momentum_ordering, oofem::FloatArray::resize(), oofem::Tdot(), and oofem::FloatArray::zero().

Referenced by giveCharacteristicVector().

◆ computeLoadVector()

void oofem::Tr21Stokes::computeLoadVector	(	FloatArray &	answer,
		BodyLoad *	load,
		CharType	type,
		ValueModeType	mode,
		TimeStep *	tStep )

overridevirtual

Computes the contribution of the given body load (volumetric).

Parameters

answer	Requested contribution of load.
load	Load to compute contribution from.
type	Type of the contribution.
mode	Determines mode of answer.
tStep	Time step when answer is computed.

Reimplemented from oofem::Element.

Definition at line 204 of file tr21stokes.C.

References oofem::FloatArray::assemble(), oofem::FloatArray::clear(), oofem::Load::computeComponentArrayAt(), oofem::Material::give(), oofem::Element::giveCrossSection(), oofem::FloatArray::giveSize(), oofem::Element::integrationRulesArray, interpolation_quad, momentum_ordering, N, oofem::FloatArray::resize(), and oofem::FloatArray::zero().

Referenced by computeExternalForcesVector().

◆ computeNumberOfDofs()

int oofem::Tr21Stokes::computeNumberOfDofs ( )

overridevirtual

Computes or simply returns total number of element's local DOFs. Must be defined by particular element.

Returns: Number of local DOFs of element.

Reimplemented from oofem::Element.

Definition at line 88 of file tr21stokes.C.

◆ computeStiffnessMatrix()

void oofem::Tr21Stokes::computeStiffnessMatrix	(	FloatMatrix &	answer,
		MatResponseMode	mode,
		TimeStep *	tStep )

Definition at line 284 of file tr21stokes.C.

References oofem::FloatMatrix::assemble(), oofem::Bmatrix_2d(), oofem::FluidDynamicMaterial::computeTangents2D(), conservation_ordering, oofem::dot(), oofem::flatten(), oofem::Element::giveCrossSection(), oofem::Element::integrationRulesArray, interpolation_lin, interpolation_quad, momentum_ordering, oofem::FloatMatrix::resize(), oofem::Tdot(), oofem::transpose(), and oofem::FloatMatrix::zero().

Referenced by giveCharacteristicMatrix().

◆ computeVolumeAround()

double oofem::Tr21Stokes::computeVolumeAround ( GaussPoint * gp )

overridevirtual

Returns volume related to given integration point. Used typically in subroutines, that perform integration over element volume. Should be implemented by particular elements.

See also: GaussPoint

Parameters

gp	Integration point for which volume is computed.

Returns: Volume for integration point.

Reimplemented from oofem::Element.

Definition at line 102 of file tr21stokes.C.

References oofem::GaussPoint::giveNaturalCoordinates(), oofem::GaussPoint::giveWeight(), and interpolation_quad.

◆ giveCharacteristicMatrix()

void oofem::Tr21Stokes::giveCharacteristicMatrix	(	FloatMatrix &	answer,
		CharType	type,
		TimeStep *	tStep )

overridevirtual

Computes characteristic matrix of receiver of requested type in given time step.

Parameters

answer	Requested characteristic matrix (stiffness, tangent, ...). If element has no capability to compute requested type of characteristic matrix error function is invoked.
type	Id of characteristic component requested.
tStep	Time step when answer is computed.

Reimplemented from oofem::Element.

Definition at line 121 of file tr21stokes.C.

References computeStiffnessMatrix(), and OOFEM_ERROR.

◆ giveCharacteristicVector()

void oofem::Tr21Stokes::giveCharacteristicVector	(	FloatArray &	answer,
		CharType	type,
		ValueModeType	mode,
		TimeStep *	tStep )

overridevirtual

Computes characteristic vector of receiver of requested type in given time step. If element has no capability to compute requested type of characteristic vector error function is invoked.

Parameters

answer	Requested characteristic vector.
type	Id of characteristic component requested.
mode	Determines mode of answer.
tStep	Time step when answer is computed.

Reimplemented from oofem::Element.

Definition at line 108 of file tr21stokes.C.

References computeExternalForcesVector(), computeInternalForcesVector(), and OOFEM_ERROR.

◆ giveClassName()

const char * oofem::Tr21Stokes::giveClassName ( ) const

inlineoverridevirtual

Returns: Class name of the receiver.

Reimplemented from oofem::Element.

Definition at line 89 of file tr21stokes.h.

◆ giveDofManDofIDMask()

void oofem::Tr21Stokes::giveDofManDofIDMask	(	int	inode,
		IntArray &	answer ) const

overridevirtual

Gives the dof ID mask for the element. This element (Taylor-Hood) has V_u, V_v, P_f in node 1,2,3 and V_u, V_v in node 4,5,6.

Parameters

inode	Node to check.
answer	List of dof IDs.

Reimplemented from oofem::Element.

Definition at line 93 of file tr21stokes.C.

◆ giveGeometryType()

Element_Geometry_Type oofem::Tr21Stokes::giveGeometryType ( ) const

inlineoverridevirtual

Returns the element geometry type. This information is assumed to be of general interest, but it is required only for some specialized tasks.

Returns: Geometry type of element.

Implements oofem::Element.

Definition at line 92 of file tr21stokes.h.

◆ giveInputRecordName()

const char * oofem::Tr21Stokes::giveInputRecordName ( ) const

inlineoverridevirtual

Returns: Input record name of the receiver.

Implements oofem::FEMComponent.

Definition at line 90 of file tr21stokes.h.

References _IFT_Tr21Stokes_Name.

◆ giveInterface()

Interface * oofem::Tr21Stokes::giveInterface ( InterfaceType t )

overridevirtual

Interface requesting service.

See also: InterfaceType

Returns: Requested interface if implemented, otherwise NULL.

Reimplemented from oofem::FEMComponent.

Definition at line 351 of file tr21stokes.C.

References oofem::NodalAveragingRecoveryModelInterface::NodalAveragingRecoveryModelInterface(), oofem::NodalAveragingRecoveryModelInterfaceType, oofem::SpatialLocalizerInterface::SpatialLocalizerInterface(), oofem::SpatialLocalizerInterfaceType, oofem::ZZNodalRecoveryModelInterface::ZZNodalRecoveryModelInterface(), and oofem::ZZNodalRecoveryModelInterfaceType.

◆ giveInterpolation() [1/2]

FEInterpolation * oofem::Tr21Stokes::giveInterpolation ( ) const

overridevirtual

Returns: Interpolation of the element geometry, or NULL if none exist.

Reimplemented from oofem::Element.

Definition at line 330 of file tr21stokes.C.

References interpolation_quad.

◆ giveInterpolation() [2/2]

FEInterpolation * oofem::Tr21Stokes::giveInterpolation ( DofIDItem id ) const

overridevirtual

Returns the interpolation for the specific dof id. Special elements which uses a mixed interpolation should reimplement this method.

Parameters

id	ID of the dof for the for the requested interpolation.

Returns: Appropriate interpolation, or NULL if none exists.

Reimplemented from oofem::Element.

Definition at line 335 of file tr21stokes.C.

References interpolation_lin, and interpolation_quad.

◆ giveMaterialMode()

MaterialMode oofem::Tr21Stokes::giveMaterialMode ( )

inlineoverridevirtual

Returns material mode for receiver integration points. Should be specialized.

Returns: Material mode of element.

Reimplemented from oofem::Element.

Definition at line 91 of file tr21stokes.h.

◆ NodalAveragingRecoveryMI_computeNodalValue()

void oofem::Tr21Stokes::NodalAveragingRecoveryMI_computeNodalValue	(	FloatArray &	answer,
		int	node,
		InternalStateType	type,
		TimeStep *	tStep )

overridevirtual

Computes the element value in given node.

Parameters

answer	Contains the result.
node	Element node number.
type	Determines the type of internal variable to be recovered.
tStep	Time step.

Implements oofem::NodalAveragingRecoveryModelInterface.

Definition at line 389 of file tr21stokes.C.

References oofem::FloatArray::at(), oofem::FloatArray::clear(), oofem::Element::giveNode(), and oofem::FloatArray::resize().

◆ updateYourself()

void oofem::Tr21Stokes::updateYourself ( TimeStep * tStep )

overridevirtual

Updates element state after equilibrium in time step has been reached. Default implementation updates all integration rules defined by integrationRulesArray member variable. Doing this, all integration points and their material statuses are updated also. All temporary history variables, which now describe equilibrium state are copied into equilibrium ones. The existing internal state is used for update.

Parameters

tStep Time step for newly reached state.

See also: Material::updateYourself; IntegrationRule::updateYourself; GaussPoint::updateYourself; Element::updateInternalState

Reimplemented from oofem::Element.

Definition at line 344 of file tr21stokes.C.

Member Data Documentation

◆ conservation_ordering

IntArray oofem::Tr21Stokes::conservation_ordering = {3, 6, 9}

staticprotected

Definition at line 68 of file tr21stokes.h.

Referenced by computeInternalForcesVector(), and computeStiffnessMatrix().

◆ edge_ordering

IntArray oofem::Tr21Stokes::edge_ordering

staticprotected

Initial value:

= {
    {1, 2, 4, 5, 10, 11},
    {4, 5, 7, 8, 12, 13},
    {7, 8, 1, 2, 14, 15}
}

Ordering of dofs on edges. Used to assemble edge loads.

Definition at line 70 of file tr21stokes.h.

Referenced by computeBoundarySurfaceLoadVector().

◆ interpolation_lin

FEI2dTrLin oofem::Tr21Stokes::interpolation_lin

staticprotected

Interpolation for pressure.

Definition at line 64 of file tr21stokes.h.

Referenced by computeField(), computeInternalForcesVector(), computeStiffnessMatrix(), and giveInterpolation().

◆ interpolation_quad

FEI2dTrQuad oofem::Tr21Stokes::interpolation_quad

staticprotected

Interpolation for geometry and velocity.

Definition at line 66 of file tr21stokes.h.

Referenced by computeBoundarySurfaceLoadVector(), computeField(), computeInternalForcesVector(), computeLoadVector(), computeStiffnessMatrix(), computeVolumeAround(), giveInterpolation(), and giveInterpolation().

◆ momentum_ordering

IntArray oofem::Tr21Stokes::momentum_ordering = {1, 2, 4, 5, 7, 8, 10, 11, 12, 13, 14, 15}

staticprotected

Ordering of dofs in element. Used to assemble the element stiffness.

Definition at line 68 of file tr21stokes.h.

Referenced by computeInternalForcesVector(), computeLoadVector(), and computeStiffnessMatrix().

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

Public Member Functions

Static Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Tr21Stokes()

Member Function Documentation

◆ computeBoundarySurfaceLoadVector()

◆ computeExternalForcesVector()

◆ computeField()

◆ computeGaussPoints()

◆ computeInternalForcesVector()

◆ computeLoadVector()

◆ computeNumberOfDofs()

◆ computeStiffnessMatrix()

◆ computeVolumeAround()

◆ giveCharacteristicMatrix()

◆ giveCharacteristicVector()

◆ giveClassName()

◆ giveDofManDofIDMask()

◆ giveGeometryType()

◆ giveInputRecordName()

◆ giveInterface()

◆ giveInterpolation() [1/2]

◆ giveInterpolation() [2/2]

◆ giveMaterialMode()

◆ NodalAveragingRecoveryMI_computeNodalValue()

◆ updateYourself()

Member Data Documentation

◆ conservation_ordering

◆ edge_ordering

◆ interpolation_lin

◆ interpolation_quad

◆ momentum_ordering