TetElement Class Reference

#include <TetElement.hpp>

Inheritance diagram for TetElement:

Collaboration diagram for TetElement:

Public Member Functions
	TetElement ()
	TetElement (Node **thenodes)
	~TetElement ()
virtual int	getNumNodes () const
virtual int	getNumFaces () const
Public Member Functions inherited from Element
	Element (Type type)
	~Element ()
int	getID () const
void	setID (int theID)
Node **	getNodes ()
Face **	getFaces ()
Type	getElementType () const
boolean	isCohesive () const
int	getMaterialType () const
void	setMaterialType (int mtype)
virtual void	setFromNodes (Node **thenodes)
void	replaceNode (Node *node, Node *new_node)
void	replaceFace (Face *face, Face *new_face)
virtual void	replaceFaceNode (Node *node, Node *new_node, Face *face)

Protected Member Functions
virtual void	setFaceFromNodes (int num, Node **nodes)
virtual void	setFromMyNodes ()
virtual double	getMinEdgeLength ()
Protected Member Functions inherited from Element
void	setFace (int num, Face *face)

Additional Inherited Members
Public Types inherited from Element
enum	Type {   e_tet, e_hex, e_tri_cohesive, e_quad_cohesive,   e_MAX_TYPE }
enum	fType { e_tri, e_quad, e_MAX_FACE_TYPE }
enum	MaterialType { e_unset_material = -1 }
Static Public Member Functions inherited from Element
static Element *	create (int id, Type type)
static void	setMesh (Mesh *emesh)
Protected Attributes inherited from Element
Type	d_eType
int	d_ID
Node **	d_nodes
Face **	d_faces
int	d_materialType
Static Protected Attributes inherited from Element
static Mesh *	s_mesh = 0

Detailed Description

Definition at line 9 of file TetElement.hpp.

Constructor & Destructor Documentation

TetElement

(

)

Definition at line 7 of file TetElement.cpp.

References Element::d_faces, Element::d_nodes, getNumFaces(), and getNumNodes().

                       :
Element( e_tet ){

  d_nodes = new Node*[getNumNodes()];
  d_faces = new Face*[getNumFaces()];

}

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TetElement

(

Node **

thenodes

)

Definition at line 16 of file TetElement.cpp.

References Element::d_faces, Element::d_nodes, getNumFaces(), getNumNodes(), and Element::setFromNodes().

                                       :
Element( e_tet ){

  d_nodes = new Node*[getNumNodes()];
  d_faces = new Face*[getNumFaces()];
  setFromNodes( thenodes );

}

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~TetElement

(

)

Definition at line 25 of file TetElement.cpp.

References Element::d_faces, Element::d_nodes, getNumFaces(), getNumNodes(), i, Node::removeElement(), and Face::removeElement().

                        {

  int numn = getNumNodes();
  int i;
  for( i = 0; i < numn; i++ ){
    d_nodes[i]->removeElement( this );
  }
  int numf = getNumFaces();
  for( i = 0; i < numf; i++ ){
    d_faces[i]->removeElement( this );
  }
}

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Member Function Documentation

double getMinEdgeLength ( )

protectedvirtual

Reimplemented from Element.

Definition at line 84 of file TetElement.cpp.

References Element::d_nodes, MVec::distance_between(), Node::getPosition(), and i.

                                   {

   double minEdge = 1E+25;
   double currentLength;
   MVec pos[4];
   
   //there are six edge lengths to check:
   //0 -> 1, 0 -> 2, 0 -> 3
   //1 -> 2, 1 -> 3, 2 -> 3
   // for nodes numbered 0, 1, 2, 3
   
   for (int i=0; i<4; i++) {
        pos[i] = d_nodes[i]->getPosition();
   }
   
   currentLength = pos[0].distance_between(pos[1]);
   if (currentLength < minEdge) minEdge = currentLength;
   currentLength = pos[0].distance_between(pos[2]);
   if (currentLength < minEdge) minEdge = currentLength;
   currentLength = pos[0].distance_between(pos[3]);
   if (currentLength < minEdge) minEdge = currentLength;
   currentLength = pos[1].distance_between(pos[2]);
   if (currentLength < minEdge) minEdge = currentLength;
   currentLength = pos[1].distance_between(pos[2]);
   if (currentLength < minEdge) minEdge = currentLength;
   currentLength = pos[2].distance_between(pos[3]);
   if (currentLength < minEdge) minEdge = currentLength;
   
   assert(minEdge < 1E+24);
   
   return(minEdge); 

}

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int getNumFaces ( ) const

virtual

Implements Element.

Definition at line 41 of file TetElement.cpp.

Referenced by TetElement(), and ~TetElement().

{ return 4; }

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int getNumNodes ( ) const

virtual

Implements Element.

Definition at line 38 of file TetElement.cpp.

Referenced by TetElement(), and ~TetElement().

{ return 4; }

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void setFaceFromNodes ( int  num, Node **  nodes  )

protectedvirtual

Implements Element.

Definition at line 45 of file TetElement.cpp.

References Mesh::addFace(), Element::s_mesh, Element::setFace(), and Node::sharedFace().

Referenced by setFromMyNodes().

                                                      {

  // find if face exist (if not creates it)
  Face* face = nodes[0]->sharedFace( nodes[1], nodes[2] );
  if( !face ){
    face = new TriFace( nodes );
    s_mesh->addFace( face );
  }
  setFace( num, face );
}

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void setFromMyNodes ( )

protectedvirtual

Implements Element.

Definition at line 57 of file TetElement.cpp.

References Element::d_nodes, and setFaceFromNodes().

                               {

  // !!! check ordering

  Node *nodes[3];
  nodes[0] = d_nodes[1];
  nodes[1] = d_nodes[3];
  nodes[2] = d_nodes[2];
  setFaceFromNodes( 0, nodes );

  nodes[0] = d_nodes[2];
  nodes[1] = d_nodes[3];
  nodes[2] = d_nodes[0];
  setFaceFromNodes( 1, nodes );

  nodes[0] = d_nodes[0];
  nodes[1] = d_nodes[3];
  nodes[2] = d_nodes[1];
  setFaceFromNodes( 2, nodes );

  nodes[0] = d_nodes[0];
  nodes[1] = d_nodes[1];
  nodes[2] = d_nodes[2];
  setFaceFromNodes( 3, nodes );

}

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

• TetElement.hpp
• TetElement.cpp