/usr/include/liggghts/tri_mesh.h is in libliggghts-dev 3.3.1+repack1-1ubuntu3.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
Christoph Kloss (DCS Computing GmbH, Linz)
Christoph Kloss (JKU Linz)
Philippe Seil (JKU Linz)
Copyright 2012- DCS Computing GmbH, Linz
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef LMP_TRI_MESH_H
#define LMP_TRI_MESH_H
#include "surface_mesh.h"
#include "atom.h"
#include "math_extra_liggghts.h"
#include "tri_line.h"
#include "superquadric_flag.h"
#ifdef TRI_LINE_ACTIVE_FLAG
#include "math_extra_dist_lineTriangle.h"
#endif
#ifdef SUPERQUADRIC_ACTIVE_FLAG
#include "math_extra_liggghts_superquadric.h"
using namespace MathExtraLiggghtsSuperquadric;
#endif
#include <fstream>
namespace LAMMPS_NS
{
typedef SurfaceMesh<3,5> SurfaceMeshBase;
class TriMesh : public SurfaceMeshBase
{
public:
TriMesh(LAMMPS *lmp);
virtual ~TriMesh();
double resolveTriSphereContact(int iPart, int nTri, double rSphere, double *cSphere, double *delta);
double resolveTriSphereContactBary(int iPart, int nTri, double rSphere, double *cSphere,
double *contactPoint,double *bary);
#ifdef SUPERQUADRIC_ACTIVE_FLAG
double resolveTriSuperquadricContact(int nTri, double *normal, double *contactPoint, Superquadric particle);
double resolveTriSuperquadricContact(int nTri, double *normal, double *contactPoint, Superquadric particle, double *bary);
bool sphereTriangleIntersection(int nTri, double rSphere, double *cSphere);
int superquadricTriangleIntersection(int nTri, double *point_of_lowest_potential, Superquadric particle);
double resolveEdgeContactBary(int iTri, int iEdge, double *p, double *delta, double *bary, bool triActive);
double resolveCornerContactBary(int iTri, int iNode, bool obtuse,
double *p, double *delta, double *bary, bool treatActive);
double pointToTriangleDistance(int iTri, double *Csphere, double *delta, bool treatActiveFlag, double *bary);
#endif
bool resolveTriSphereNeighbuild(int nTri, double rSphere, double *cSphere, double treshold);
#ifdef TRI_LINE_ACTIVE_FLAG
// Extra for Line Contact Calculation ********
double resolveTriSegmentContact (int iPart, int nTri, double *line, double *cLine, double length, double cylRadius,
double *delta, double &segmentParameter);
double resolveTriSegmentContactBary(int iPart, int nTri, double *line, double *cLine, double length, double cylRadius,
double *delta, double &segmentParameter, double *bary);
bool resolveTriSegmentNeighbuild(int nTri, double *line, double *cLine, double length, double cylRadius, double treshold);
// Extra for Line Contact Calculation ********
#endif
int generateRandomOwnedGhost(double *pos);
int generateRandomSubbox(double *pos);
virtual int generateRandomOwnedGhostWithin(double *pos,double delta);
protected:
double calcArea(int n);
bool isInElement(double *pos,int i);
private:
inline double precision_trimesh()
{ return MultiNodeMesh<3>::precision(); }
double calcDist(double *cs, double *closestPoint, double *en0);
double calcDistToPlane(double *p, double *pPlane, double *nPlane);
double resolveCornerContactBary(int iTri, int iNode, bool obtuse,
double *p, double *delta, double *bary);
double resolveEdgeContactBary(int iTri, int iEdge, double *p, double *delta, double *bary);
double resolveFaceContactBary(int iTri, double *p, double *node0ToSphereCenter, double *delta);
};
// *************************************
#include "tri_mesh_I.h"
#ifdef SUPERQUADRIC_ACTIVE_FLAG
#include "tri_mesh_I_superquadric.h"
#endif
#ifdef TRI_LINE_ACTIVE_FLAG
#include "tri_mesh_I_line.h"
#endif
// *************************************
} /* LAMMPS_NS */
#endif /* TRIMESH_H_ */
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