/usr/include/liggghts/fix_gravity.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 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* ----------------------------------------------------------------------
LIGGGHTS - LAMMPS Improved for General Granular and Granular Heat
Transfer Simulations
LIGGGHTS is part of the CFDEMproject
www.liggghts.com | www.cfdem.com
This file was modified with respect to the release in LAMMPS
Modifications are Copyright 2009-2012 JKU Linz
Copyright 2012- DCS Computing GmbH, Linz
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(gravity,FixGravity)
#else
#ifndef LMP_FIX_GRAVITY_H
#define LMP_FIX_GRAVITY_H
#include "fix.h"
namespace LAMMPS_NS {
class FixGravity : public Fix {
friend class FixPour;
public:
FixGravity(class LAMMPS *, int, char **);
~FixGravity();
int setmask();
void init();
void setup(int);
virtual void post_force(int);
virtual void post_force_respa(int, int, int);
double compute_scalar();
void get_gravity(double*);
protected:
int style;
double magnitude;
double vert,phi,theta;
double xdir,ydir,zdir;
double xgrav,ygrav,zgrav,xacc,yacc,zacc;
double degree2rad;
int nlevels_respa;
int time_origin;
int eflag;
double egrav,egrav_all;
int varflag;
int mstyle,vstyle,pstyle,tstyle,xstyle,ystyle,zstyle;
int mvar,vvar,pvar,tvar,xvar,yvar,zvar;
char *mstr,*vstr,*pstr,*tstr,*xstr,*ystr,*zstr;
void set_acceleration();
class FixMultisphere *fm;
};
}
#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.
E: Variable name for fix gravity does not exist
Self-explanatory.
E: Variable for fix gravity is invalid style
Only equal-style variables can be used.
*/
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