MeshLib::HexRule20 Class Reference

Detailed Description

A 20-nodes Hexahedron Element.

 Hex:
               14
         7-----------6
        /:          /|
       / :         / |
    15/  :        /13|
     / 19:       /   | 18
    /    : 12   /    |
   4-----------5     |
   |     :     | 10  |
   |     3.....|.....2
   |    .      |    /
16 |   .       |17 /
   |11.        |  / 9
   | .         | /
   |.          |/
   0-----------1
         8

Definition at line 46 of file HexRule20.h.

#include <HexRule20.h>

Inheritance diagram for MeshLib::HexRule20:

Collaboration diagram for MeshLib::HexRule20:

Public Types
using	EdgeReturn = MeshLib::QuadraticEdgeReturn
	Returns the i-th edge of the element. More...
Public Types inherited from MeshLib::HexRule8
using	EdgeReturn = MeshLib::LinearEdgeReturn
	Returns the i-th edge of the element. More...

Static Public Member Functions
static const Element *	getFace (const Element *e, unsigned i)
	Returns the i-th face of the element. More...
Static Public Member Functions inherited from MeshLib::HexRule8
static const Element *	getFace (const Element *e, unsigned i)
	Returns the i-th face of the element. More...
static bool	isPntInElement (Node const *const *nodes, MathLib::Point3d const &pnt, double eps)
static ElementErrorCode	validate (const Element *e)
static unsigned	identifyFace (Node const *const *, Node const *nodes[3])
	Returns the ID of a face given an array of nodes. More...
static double	computeVolume (Node const *const *_nodes)
	Calculates the volume of a convex hexahedron by partitioning it into six tetrahedra. More...
Static Public Member Functions inherited from MeshLib::CellRule
static bool	testElementNodeOrder (Element const &e)

Static Public Attributes
static const unsigned	n_all_nodes = 20u
	Constant: The number of all nodes for this element. More...
static const CellType	cell_type = CellType::HEX20
	Constant: The FEM type of the element. More...
static const unsigned	face_nodes [6][8]
	Constant: Local node index table for faces. More...
static const unsigned	edge_nodes [12][3]
	Constant: Local node index table for edge. More...
Static Public Attributes inherited from MeshLib::HexRule8
static const unsigned	n_base_nodes = 8u
	Constant: The number of base nodes for this element. More...
static const unsigned	n_all_nodes = 8u
	Constant: The number of all nodes for this element. More...
static const MeshElemType	mesh_elem_type = MeshElemType::HEXAHEDRON
	Constant: The geometric type of the element. More...
static const CellType	cell_type = CellType::HEX8
	Constant: The FEM type of the element. More...
static const unsigned	n_faces = 6
	Constant: The number of faces. More...
static const unsigned	n_edges = 12
	Constant: The number of edges. More...
static const unsigned	n_neighbors = 6
	Constant: The number of neighbors. More...
static const unsigned	face_nodes [6][4]
	Constant: Local node index table for faces. More...
static const unsigned	edge_nodes [12][2]
	Constant: Local node index table for edge. More...
Static Public Attributes inherited from MeshLib::CellRule
static const unsigned	dimension = 3u
	Constant: Dimension of this mesh element. More...

Member Typedef Documentation

EdgeReturn

using MeshLib::HexRule20::EdgeReturn = MeshLib::QuadraticEdgeReturn

Returns the i-th edge of the element.

Definition at line 62 of file HexRule20.h.

Member Function Documentation

getFace()

const Element * MeshLib::HexRule20::getFace ( const Element *  e, unsigned  i  )

static

Returns the i-th face of the element.

Definition at line 46 of file HexRule20.cpp.

{
    if (i < n_faces)
    {
        std::array<Node*, 8> nodes{};
        for (unsigned j = 0; j < 8; j++)
        {
            nodes[j] = const_cast<Node*>(e->getNode(face_nodes[i][j]));
        }
        return new Quad8(nodes, e->getID());
    }
    ERR("Error in MeshLib::Element::getFace() - Index {:d} does not exist.", i);
    return nullptr;
}

References ERR(), face_nodes, MeshLib::Element::getID(), MeshLib::Element::getNode(), and MeshLib::HexRule8::n_faces.

Member Data Documentation

cell_type

const CellType MeshLib::HexRule20::cell_type = CellType::HEX20

static

Constant: The FEM type of the element.

Definition at line 53 of file HexRule20.h.

edge_nodes

const unsigned MeshLib::HexRule20::edge_nodes

static

Initial value:

= {
    {0, 1, 8},   
    {1, 2, 9},   
    {2, 3, 10},  
    {0, 3, 11},  
    {4, 5, 12},  
    {5, 6, 13},  
    {6, 7, 14},  
    {4, 7, 15},  
    {0, 4, 16},  
    {1, 5, 17},  
    {2, 6, 18},  
    {3, 7, 19}   
}

Constant: Local node index table for edge.

Definition at line 59 of file HexRule20.h.

face_nodes

const unsigned MeshLib::HexRule20::face_nodes

static

Initial value:

= {
    {0, 3, 2, 1, 11, 10, 9, 8},    
    {0, 1, 5, 4, 8, 17, 12, 16},   
    {1, 2, 6, 5, 9, 18, 13, 17},   
    {2, 3, 7, 6, 10, 19, 14, 18},  
    {3, 0, 4, 7, 11, 16, 15, 19},  
    {4, 5, 6, 7, 12, 13, 14, 15}   
}

Constant: Local node index table for faces.

Definition at line 56 of file HexRule20.h.

Referenced by getFace().

n_all_nodes

const unsigned MeshLib::HexRule20::n_all_nodes = 20u

static

Constant: The number of all nodes for this element.

Definition at line 50 of file HexRule20.h.

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

• MeshLib/Elements/HexRule20.h
• MeshLib/Elements/HexRule20.cpp