/usr/include/liggghts/fix_buoyancy.h is in libliggghts-dev 3.3.1+repack1-1ubuntu3.
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:
(if not contributing author is listed, this file has been contributed
by the core developer)
Copyright 2014- DCS Computing GmbH, Linz
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(buoyancy,FixBuoyancy)
#else
#ifndef LMP_FIX_BUOYANCY_H
#define LMP_FIX_BUOYANCY_H
#include "fix.h"
namespace LAMMPS_NS {
class FixBuoyancy : public Fix {
public:
FixBuoyancy(class LAMMPS *, int, char **);
virtual ~FixBuoyancy();
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_vector(int n);
private:
void test_direction();
double density_;
int nlevels_respa;
// fluid region
int iregion_;
char *id_region_;
// fluid level
int dim_;
double direction_;
double fluid_level_;
// gravity
class FixGravity *fix_gravity_;
bool force_flag_;
double buyoancy_force_total_[3];
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Illegal ... command
Self-explanatory. Check the input script syntax and compare to the
documentation for the command. You can use -echo screen as a
command-line option when running LAMMPS to see the offending line.
*/
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