QuadRule8.h
/**
* \file
* \copyright
* Copyright (c) 2012-2021, 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 "QuadRule4.h"
#include "EdgeReturn.h"
namespace MeshLib
{
/**
* This class represents a 2d quadrilateral element with 8 nodes.
* The following sketch shows the node and edge numbering.
* @anchor Quad8NodeAndEdgeNumbering
* @code
* 2
* 3-----6-----2
* | |
* | |
* 3 7 5 1
* | |
* | |
* 0-----4-----1
* 0
* @endcode
*/
class QuadRule8 : public QuadRule4
{
public:
/// Constant: The number of all nodes for this element
static const unsigned n_all_nodes = 8u;
/// Constant: The FEM type of the element
static const CellType cell_type = CellType::QUAD8;
/// Constant: Local node index table for edge
static const unsigned edge_nodes[4][3];
/// Returns the i-th edge of the element.
using EdgeReturn = MeshLib::QuadraticEdgeReturn;
}; /* class */
} // namespace MeshLib