Revision ca6058e8ec96b22809c840b371e9e6ca6573420e authored by Lars Bilke on 12 April 2021, 12:27:14 UTC, committed by Lars Bilke on 12 April 2021, 12:27:14 UTC
1 parent 34323e8
HexRule8.cpp
/**
* \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
*
*/
#include "HexRule8.h"
#include <array>
#include "BaseLib/Logging.h"
#include "Line.h"
#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Quad.h"
namespace MeshLib
{
const unsigned HexRule8::face_nodes[6][4] = {
{0, 3, 2, 1}, // Face 0
{0, 1, 5, 4}, // Face 1
{1, 2, 6, 5}, // Face 2
{2, 3, 7, 6}, // Face 3
{3, 0, 4, 7}, // Face 4
{4, 5, 6, 7} // Face 5
};
const unsigned HexRule8::edge_nodes[12][2] = {
{0, 1}, // Edge 0
{1, 2}, // Edge 1
{2, 3}, // Edge 2
{0, 3}, // Edge 3
{4, 5}, // Edge 4
{5, 6}, // Edge 5
{6, 7}, // Edge 6
{4, 7}, // Edge 7
{0, 4}, // Edge 8
{1, 5}, // Edge 9
{2, 6}, // Edge 10
{3, 7} // Edge 11
};
const Element* HexRule8::getFace(const Element* e, unsigned i)
{
if (i < n_faces)
{
std::array<Node*, 4> nodes{};
for (unsigned j = 0; j < 4; j++)
{
nodes[j] = const_cast<Node*>(e->getNode(face_nodes[i][j]));
}
return new Quad(nodes, e->getID());
}
ERR("Error in MeshLib::Element::getFace() - Index {:d} does not exist.", i);
return nullptr;
}
double HexRule8::computeVolume(Node const* const* _nodes)
{
return MathLib::calcTetrahedronVolume(
*_nodes[4], *_nodes[7], *_nodes[5], *_nodes[0]) +
MathLib::calcTetrahedronVolume(
*_nodes[5], *_nodes[3], *_nodes[1], *_nodes[0]) +
MathLib::calcTetrahedronVolume(
*_nodes[5], *_nodes[7], *_nodes[3], *_nodes[0]) +
MathLib::calcTetrahedronVolume(
*_nodes[5], *_nodes[7], *_nodes[6], *_nodes[2]) +
MathLib::calcTetrahedronVolume(
*_nodes[1], *_nodes[3], *_nodes[5], *_nodes[2]) +
MathLib::calcTetrahedronVolume(
*_nodes[3], *_nodes[7], *_nodes[5], *_nodes[2]);
}
bool HexRule8::isPntInElement(Node const* const* nodes,
MathLib::Point3d const& pnt,
double eps)
{
return (MathLib::isPointInTetrahedron(
pnt, *nodes[4], *nodes[7], *nodes[5], *nodes[0], eps) ||
MathLib::isPointInTetrahedron(
pnt, *nodes[5], *nodes[3], *nodes[1], *nodes[0], eps) ||
MathLib::isPointInTetrahedron(
pnt, *nodes[5], *nodes[7], *nodes[3], *nodes[0], eps) ||
MathLib::isPointInTetrahedron(
pnt, *nodes[5], *nodes[7], *nodes[6], *nodes[2], eps) ||
MathLib::isPointInTetrahedron(
pnt, *nodes[1], *nodes[3], *nodes[5], *nodes[2], eps) ||
MathLib::isPointInTetrahedron(
pnt, *nodes[3], *nodes[7], *nodes[5], *nodes[2], eps));
}
unsigned HexRule8::identifyFace(Node const* const* _nodes, Node* nodes[3])
{
for (unsigned i = 0; i < 6; i++)
{
unsigned flag(0);
for (unsigned j = 0; j < 4; j++)
{
for (unsigned k = 0; k < 3; k++)
{
if (_nodes[face_nodes[i][j]] == nodes[k])
{
flag++;
}
}
}
if (flag == 3)
{
return i;
}
}
return std::numeric_limits<unsigned>::max();
}
ElementErrorCode HexRule8::validate(const Element* e)
{
ElementErrorCode error_code;
error_code[ElementErrorFlag::ZeroVolume] = hasZeroVolume(*e);
for (unsigned i = 0; i < 6; ++i)
{
if (error_code.all())
{
break;
}
const MeshLib::Element* quad(e->getFace(i));
error_code |= quad->validate();
delete quad;
}
error_code[ElementErrorFlag::NodeOrder] = !e->testElementNodeOrder();
return error_code;
}
} // end namespace MeshLib
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