/usr/include/liggghts/fix_wall_region_sph.h is in libliggghts-dev 3.7.0+repack1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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:
Andreas Aigner (JKU Linz))
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(wall/region/sph,FixWallRegionSph)
#else
#ifndef LMP_FIX_WALL_REGION_SPH_H
#define LMP_FIX_WALL_REGION_SPH_H
#include "fix_sph.h"
namespace LAMMPS_NS {
class FixWallRegionSph : public FixSph {
public:
FixWallRegionSph(class LAMMPS *, int, char **);
~FixWallRegionSph() {}
int setmask();
void init();
void setup(int);
void min_setup(int);
void post_force(int);
void post_force_respa(int, int, int);
void min_post_force(int);
double compute_scalar();
double compute_vector(int);
private:
template <int> void post_force_eval(int);
double repulsivSph(double);
double selfInfluenceForce(int, double, double, double);
int iregion;
double cutoff;
int eflag;
double ewall[4],ewall_all[4];
int nlevels_respa;
double dt;
double eng,fwall;
double r0,D; // coefficient for repulsivsph
};
}
#endif
#endif
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