FEM::GeomElem Class Reference

#include <geomelem.h>

Inheritance diagram for FEM::GeomElem:

List of all members.

Public Member Functions
	GeomElem (int NDim, size_t NN, size_t NFN, char const *Name="__unnamed_geomelem__")
	Name. Ex: Tri3, Quad4, ...
virtual	~GeomElem ()
virtual void	SetIPs (int TotNIP)=0
	Set the total number of integration points in this element.
virtual size_t	FNode (size_t IdxFace, size_t IdxFNode) const =0
	Get node of face, given index of face and index of node of face.
virtual void	Shape (double r, double s, double t) const =0
	Shape functions.
virtual void	Derivs (double r, double s, double t) const =0
	Derivatives of shape functions.
virtual void	FaceShape (double r, double s) const =0
	Shape functions of face/edge.
virtual void	FaceDerivs (double r, double s) const =0
	Derivatives of shape functions of face/edge.
virtual void	NatCoords (Mat_t &C) const =0
	Matrix with natural coordinates of all nodes (ex.: -1, 0, 1)
Public Attributes
size_t	NN
	Number of nodes.
size_t	NFN
	Number of face nodes.
size_t	NIP
	Number of integration points.
size_t	NFIP
	Number of integration points of face.
IntegPoint const *	IPs
	Integration points.
IntegPoint const *	FIPs
	Integration points of Faces/Edges.
String	Name
	Name. Ex: Tri3, Quad4, ...
Vec_t	N
	(current) (size=NN) Shape functions
Mat_t	dNdR
	(current) (size=NDim x NN) Derivative of shape functions w.r.t natural coordinates
Vec_t	FN
	(current) (size=NFN) Face shape functions
Mat_t	FdNdR
	(current) (size=NDim-1 x NFN) Derivative of face shape functions w.r.t. natural coordinates

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Constructor & Destructor Documentation

FEM::GeomElem::GeomElem	(	int	NDim,
		size_t	NN,
		size_t	NFN,
		char const *	Name = "__unnamed_geomelem__"
	)		[inline]

Name. Ex: Tri3, Quad4, ...

Parameters:

NDim	Space dimension
NN	Number of nodes
NFN	Number of nodes on face/edge

virtual FEM::GeomElem::~GeomElem

(

)

[inline, virtual]

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Member Function Documentation

virtual void FEM::GeomElem::Derivs	(	double	r,
		double	s,
		double	t
	)		const [pure virtual]

Derivatives of shape functions.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual void FEM::GeomElem::FaceDerivs	(	double	r,
		double	s
	)		const [pure virtual]

Derivatives of shape functions of face/edge.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual void FEM::GeomElem::FaceShape	(	double	r,
		double	s
	)		const [pure virtual]

Shape functions of face/edge.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual size_t FEM::GeomElem::FNode	(	size_t	IdxFace,
		size_t	IdxFNode
	)		const [pure virtual]

Get node of face, given index of face and index of node of face.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual void FEM::GeomElem::NatCoords

(

Mat_t &

C

)

const [pure virtual]

Matrix with natural coordinates of all nodes (ex.: -1, 0, 1)

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual void FEM::GeomElem::SetIPs

(

int

TotNIP

)

[pure virtual]

Set the total number of integration points in this element.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

virtual void FEM::GeomElem::Shape	(	double	r,
		double	s,
		double	t
	)		const [pure virtual]

Shape functions.

Implemented in FEM::Hex20, FEM::Hex8, FEM::Lin2, FEM::Quad4, FEM::Quad8, FEM::Tet10, FEM::Tri15, FEM::Tri3, and FEM::Tri6.

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Member Data Documentation

Mat_t FEM::GeomElem::dNdR [mutable]

(current) (size=NDim x NN) Derivative of shape functions w.r.t natural coordinates

Mat_t FEM::GeomElem::FdNdR [mutable]

(current) (size=NDim-1 x NFN) Derivative of face shape functions w.r.t. natural coordinates

IntegPoint const* FEM::GeomElem::FIPs

Integration points of Faces/Edges.

Vec_t FEM::GeomElem::FN [mutable]

(current) (size=NFN) Face shape functions

IntegPoint const* FEM::GeomElem::IPs

Integration points.

Vec_t FEM::GeomElem::N [mutable]

(current) (size=NN) Shape functions

String FEM::GeomElem::Name

Name. Ex: Tri3, Quad4, ...

size_t FEM::GeomElem::NFIP

Number of integration points of face.

size_t FEM::GeomElem::NFN

Number of face nodes.

size_t FEM::GeomElem::NIP

Number of integration points.

size_t FEM::GeomElem::NN

Number of nodes.

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

• /home/dorival/mechsys/lib/fem/geomelem.h