/usr/include/liggghts/tri_mesh.h is in libliggghts-dev 2.3.8-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | /* ----------------------------------------------------------------------
LIGGGHTS - LAMMPS Improved for General Granular and Granular Heat
Transfer Simulations
LIGGGHTS is part of the CFDEMproject
www.liggghts.com | www.cfdem.com
Christoph Kloss, christoph.kloss@cfdem.com
Copyright 2009-2012 JKU Linz
Copyright 2012- DCS Computing GmbH, Linz
LIGGGHTS is based on LAMMPS
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
This software is distributed under the GNU General Public License.
See the README file in the top-level directory.
------------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
Contributing authors:
Christoph Kloss (JKU Linz, DCS Computing GmbH, Linz)
Philippe Seil (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 <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);
bool resolveTriSphereNeighbuild(int nTri, double rSphere, double *cSphere, double treshold);
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:
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"
// *************************************
} /* LAMMPS_NS */
#endif /* TRIMESH_H_ */
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