MeshLib::TriRule3 Class Reference

Detailed Description

This class represents a 2d triangle element with 3 nodes.

The following sketch shows the node and edge numbering.

      2
      o
     / \
    /   \
  2/     \1
  /       \
 /         \
0-----------1
      0

Definition at line 39 of file TriRule3.h.

#include <TriRule3.h>

Inheritance diagram for MeshLib::TriRule3:

Collaboration diagram for MeshLib::TriRule3:

Public Types
using	EdgeReturn = MeshLib::LinearEdgeReturn
	Returns the i-th edge of the element.

Static Public Member Functions
static unsigned	identifyFace (Node const *const *element_nodes, Node const *nodes[2])
	Returns the ID of a face given an array of nodes.
Static Public Member Functions inherited from MeshLib::TriRule
static bool	isPntInElement (Node const *const *nodes, MathLib::Point3d const &pnt, double eps)
static ElementErrorCode	validate (const Element *e)
static double	computeVolume (Node const *const *element_nodes)
	Calculates the area of the triangle with straight edges.
Static Public Member Functions inherited from MeshLib::FaceRule
static const Element *	getFace (const Element *e, unsigned i)
	Returns the face i of the element.
static bool	testElementNodeOrder (Element const &e)
static Eigen::Vector3d	getFirstSurfaceVector (Element const &e)
static Eigen::Vector3d	getSecondSurfaceVector (Element const &e)
static Eigen::Vector3d	getSurfaceNormal (Element const &e)
	Returns the surface normal of a 2D element.

Static Public Attributes
static const unsigned	n_all_nodes = 3u
	Constant: The number of all nodes for this element.
static const CellType	cell_type = CellType::TRI3
	Constant: The FEM type of the element.
static const unsigned	edge_nodes [3][2]
	Constant: Local node index table for edge.
Static Public Attributes inherited from MeshLib::TriRule
static const unsigned	n_base_nodes = 3u
	Constant: The number of base nodes for this element.
static const MeshElemType	mesh_elem_type = MeshElemType::TRIANGLE
	Constant: The geometric type of the element.
static const unsigned	n_edges = 3
	Constant: The number of edges.
static const unsigned	n_neighbors = 3
	Constant: The number of neighbors.
Static Public Attributes inherited from MeshLib::FaceRule
static const unsigned	dimension = 2u
	Constant: Dimension of this mesh element.
static const unsigned	n_faces = 0
	Constant: The number of faces.

Additional Inherited Members
Static Protected Member Functions inherited from MeshLib::FaceRule
template<typename ElementRule >
static unsigned	identifyFace (Node const *const *element_nodes, Node const *nodes[ElementRule::dimension])
	Returns the ID of an edge given an array of nodes.

Member Typedef Documentation

EdgeReturn

using MeshLib::TriRule3::EdgeReturn = MeshLib::LinearEdgeReturn

Returns the i-th edge of the element.

Definition at line 52 of file TriRule3.h.

Member Function Documentation

identifyFace()

static unsigned MeshLib::TriRule3::identifyFace ( Node const *const * element_nodes, Node const * nodes[2] )

inlinestatic

Returns the ID of a face given an array of nodes.

Definition at line 55 of file TriRule3.h.

    {
        return FaceRule::identifyFace<TriRule3>(element_nodes, nodes);
    }

References MeshLib::FaceRule::identifyFace().

Member Data Documentation

cell_type

const CellType MeshLib::TriRule3::cell_type = CellType::TRI3

static

Constant: The FEM type of the element.

Definition at line 46 of file TriRule3.h.

edge_nodes

const unsigned MeshLib::TriRule3::edge_nodes

static

Initial value:

= {
    {0, 1},  
    {1, 2},  
    {2, 0},  
}

Constant: Local node index table for edge.

Definition at line 49 of file TriRule3.h.

n_all_nodes

const unsigned MeshLib::TriRule3::n_all_nodes = 3u

static

Constant: The number of all nodes for this element.

Definition at line 43 of file TriRule3.h.

---

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

• MeshLib/Elements/TriRule3.h
• MeshLib/Elements/TriRule3.cpp