mfem::Element Class Reference

Abstract data type element. More...

#include <element.hpp>

Inheritance diagram for mfem::Element:

Public Types
enum	Type {   POINT, SEGMENT, TRIANGLE, QUADRILATERAL,   TETRAHEDRON, HEXAHEDRON, WEDGE }
	Constants for the classes derived from Element. More...

Public Member Functions
	Element (Geometry::Type bg=Geometry::POINT)
	Default element constructor. More...
virtual Type	GetType () const =0
	Returns element's type. More...
Geometry::Type	GetGeometryType () const
int	GetAttribute () const
	Return element's attribute. More...
void	SetAttribute (const int attr)
	Set element's attribute. More...
virtual void	SetVertices (const int *ind)
	Set the indices the element according to the input. More...
virtual void	GetVertices (Array< int > &v) const =0
	Returns element's vertices. More...
virtual int *	GetVertices ()=0
const int *	GetVertices () const
virtual int	GetNVertices () const =0
virtual int	GetNEdges () const =0
virtual const int *	GetEdgeVertices (int) const =0
virtual int	GetNFaces (int &nFaceVertices) const =0
virtual const int *	GetFaceVertices (int fi) const =0
virtual void	MarkEdge (const DSTable &v_to_v, const int *length)
	Mark the longest edge by assuming/changing the order of the vertices. More...
virtual int	NeedRefinement (HashTable< Hashed2 > &v_to_v) const
	Return 1 if the element needs refinement in order to get conforming mesh. More...
virtual void	ResetTransform (int tr)
	Set current coarse-fine transformation number. More...
virtual void	PushTransform (int tr)
	Add 'tr' to the current chain of coarse-fine transformations. More...
virtual unsigned	GetTransform () const
	Return current coarse-fine transformation. More...
virtual Element *	Duplicate (Mesh *m) const =0
virtual	~Element ()
	Destroys element. More...

Protected Attributes
int	attribute
	Element's attribute (specifying material property, etc). More...
Geometry::Type	base_geom
	Element's type from the Finite Element's perspective. More...

Detailed Description

Abstract data type element.

Definition at line 28 of file element.hpp.

Member Enumeration Documentation

enum mfem::Element::Type

Constants for the classes derived from Element.

Enumerator
POINT
SEGMENT
TRIANGLE
QUADRILATERAL
TETRAHEDRON
HEXAHEDRON
WEDGE

Definition at line 41 of file element.hpp.

Constructor & Destructor Documentation

mfem::Element::Element ( Geometry::Type  bg = Geometry::POINT )

inlineexplicit

Default element constructor.

Definition at line 46 of file element.hpp.

virtual mfem::Element::~Element ( )

inlinevirtual

Destroys element.

Definition at line 99 of file element.hpp.

Member Function Documentation

virtual Element* mfem::Element::Duplicate ( Mesh *  m ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Hexahedron, mfem::Segment, and mfem::Point.

int mfem::Element::GetAttribute ( ) const

inline

Return element's attribute.

Definition at line 55 of file element.hpp.

virtual const int* mfem::Element::GetEdgeVertices ( int  ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

virtual const int* mfem::Element::GetFaceVertices ( int  fi ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

Geometry::Type mfem::Element::GetGeometryType ( ) const

inline

Definition at line 52 of file element.hpp.

virtual int mfem::Element::GetNEdges ( ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

virtual int mfem::Element::GetNFaces ( int &  nFaceVertices ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

virtual int mfem::Element::GetNVertices ( ) const

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

virtual unsigned mfem::Element::GetTransform ( ) const

inlinevirtual

Return current coarse-fine transformation.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 94 of file element.hpp.

virtual Type mfem::Element::GetType ( ) const

pure virtual

Returns element's type.

Implemented in mfem::Tetrahedron, mfem::Segment, mfem::Triangle, mfem::Hexahedron, mfem::Wedge, mfem::Quadrilateral, and mfem::Point.

virtual void mfem::Element::GetVertices ( Array< int > &  v ) const

pure virtual

Returns element's vertices.

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

virtual int* mfem::Element::GetVertices ( )

pure virtual

Implemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, mfem::Segment, mfem::Hexahedron, and mfem::Point.

const int* mfem::Element::GetVertices ( ) const

inline

Definition at line 68 of file element.hpp.

virtual void mfem::Element::MarkEdge ( const DSTable &  v_to_v, const int *  length  )

inlinevirtual

Mark the longest edge by assuming/changing the order of the vertices.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 82 of file element.hpp.

virtual int mfem::Element::NeedRefinement ( HashTable< Hashed2 > &  v_to_v ) const

inlinevirtual

Return 1 if the element needs refinement in order to get conforming mesh.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 85 of file element.hpp.

virtual void mfem::Element::PushTransform ( int  tr )

inlinevirtual

Add 'tr' to the current chain of coarse-fine transformations.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 91 of file element.hpp.

virtual void mfem::Element::ResetTransform ( int  tr )

inlinevirtual

Set current coarse-fine transformation number.

Reimplemented in mfem::Tetrahedron, and mfem::Triangle.

Definition at line 88 of file element.hpp.

void mfem::Element::SetAttribute ( const int  attr )

inline

Set element's attribute.

Definition at line 58 of file element.hpp.

void mfem::Element::SetVertices ( const int *  ind )

virtual

Set the indices the element according to the input.

Reimplemented in mfem::Tetrahedron, mfem::Triangle, mfem::Wedge, mfem::Quadrilateral, and mfem::Segment.

Definition at line 17 of file element.cpp.

Member Data Documentation

int mfem::Element::attribute

protected

Element's attribute (specifying material property, etc).

Definition at line 33 of file element.hpp.

Geometry::Type mfem::Element::base_geom

protected

Element's type from the Finite Element's perspective.

Definition at line 36 of file element.hpp.

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

• mesh/element.hpp
• mesh/element.cpp