lammps/src/fix_momentum.h

59 lines
1.3 KiB
C++

/* -*- c++ -*- ----------------------------------------------------------
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 LAMMPS directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(momentum,FixMomentum)
#else
#ifndef LMP_FIX_MOMENTUM_H
#define LMP_FIX_MOMENTUM_H
#include "fix.h"
namespace LAMMPS_NS {
class FixMomentum : public Fix {
public:
FixMomentum(class LAMMPS *, int, char **);
int setmask();
void init();
void end_of_step();
private:
int linear,angular,rescale;
int xflag,yflag,zflag;
int dynamic;
double masstotal;
};
}
#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: Fix momentum group has no atoms
Self-explanatory.
*/