/**
* \file
* \copyright
* Copyright (c) 2012-2023, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#pragma once
#include "EdgeReturn.h"
#include "HexRule.h"
namespace MeshLib
{
/**
* A 20-nodes Hexahedron Element.
* \code
*
* Hex:
* 14
* 7-----------6
* /: /|
* / : / |
* 15/ : /13|
* / 19: / | 18
* / : 12 / |
* 4-----------5 |
* | : | 10 |
* | 3.....|.....2
* | . | /
* 16 | . |17 /
* |11. | / 9
* | . | /
* |. |/
* 0-----------1
* 8
*
* \endcode
*/
class HexRule20 : public HexRule
{
public:
/// Constant: The number of all nodes for this element
static const unsigned n_all_nodes = 20u;
/// Constant: The FEM type of the element
static const CellType cell_type = CellType::HEX20;
/// Constant: Local node index table for faces
static const unsigned face_nodes[6][8];
/// Constant: Local node index table for edge
static const unsigned edge_nodes[12][3];
/// Returns the i-th edge of the element.
using EdgeReturn = MeshLib::QuadraticEdgeReturn;
/// Returns the i-th face of the element.
static const Element* getFace(const Element* e, unsigned i);
/// Returns the ID of a face given an array of nodes.
static unsigned identifyFace(Node const* const* _nodes,
Node const* nodes[3])
{
return CellRule::identifyFace<HexRule20>(_nodes, nodes);
}
}; /* class */
} // namespace MeshLib