/**
* \file
* \copyright
* Copyright (c) 2012-2022, 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 "MeshLib/MeshEnums.h"
#include "Element.h"
#include "EdgeReturn.h"
#include "CellRule.h"
namespace MeshLib
{
/**
* This class represents a 3d prism element. The following sketch shows the node and edge numbering.
* @anchor Prism6NodeAndEdgeNumbering
* @code
* 5
* / \
* / : \
* 8/ : \7
* / :5 \
* / : 6 \
* 3-----------4
* | : |
* | 2 |
* | . . |
* 3| . . |4
* | 2. .1 |
* | . . |
* |. .|
* 0-----------1
* 0
*
* @endcode
*/
class PrismRule6 : public CellRule
{
public:
/// Constant: The number of base nodes for this element
static const unsigned n_base_nodes = 6u;
/// Constant: The number of all nodes for this element
static const unsigned n_all_nodes = 6u;
/// Constant: The geometric type of the element
static const MeshElemType mesh_elem_type = MeshElemType::PRISM;
/// Constant: The FEM type of the element
static const CellType cell_type = CellType::PRISM6;
/// Constant: The number of faces
static const unsigned n_faces = 5;
/// Constant: The number of edges
static const unsigned n_edges = 9;
/// Constant: The number of neighbors
static const unsigned n_neighbors = 5;
/// Constant: Local node index table for faces
static const unsigned face_nodes[5][4];
/// Constant: Local node index table for edge
static const unsigned edge_nodes[9][2];
/// Constant: Table for the number of nodes for each face
static const unsigned n_face_nodes[5];
/// Returns the i-th edge of the element.
using EdgeReturn = MeshLib::LinearEdgeReturn;
/// Returns the i-th face of the element.
static const Element* getFace(const Element* e, unsigned i);
/**
* \copydoc MeshLib::Element::isPntInElement()
* @param nodes the nodes of the element.
*/
static bool isPntInElement(Node const* const* nodes,
MathLib::Point3d const& pnt, double eps);
/**
* Tests if the element is geometrically valid.
*/
static ElementErrorCode validate(const Element* e);
/// Returns the ID of a face given an array of nodes.
static unsigned identifyFace(Node const* const* /*_nodes*/,
Node const* nodes[3]);
/// Calculates the volume of a convex hexahedron by partitioning it into six tetrahedra.
static double computeVolume(Node const* const* _nodes);
}; /* class */
} // namespace MeshLib