/usr/include/liggghts/pair_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:
Christoph Kloss (DCS Computing GmbH, Linz)
Christoph Kloss (JKU Linz)
Andreas Aigner (JKU Linz)
Copyright 2012- DCS Computing GmbH, Linz
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifdef PAIR_CLASS
#else
#ifndef LMP_PAIR_SPH_H
#define LMP_PAIR_SPH_H
#include "pair.h"
namespace LAMMPS_NS {
class PairSph : public Pair {
public:
friend class FixSPH;
PairSph(class LAMMPS *);
~PairSph();
/* INHERITED FROM Pair */
virtual void compute(int, int) = 0;
virtual void settings(int, char **) = 0;
virtual void setKernelAndLength(int, char **);
virtual void coeff(int, char **) = 0;
virtual void init_style();
virtual void init_substyle() = 0;
virtual void init_list(int, class NeighList *);
virtual double init_one(int, int);
virtual void write_restart(FILE *){}
virtual void read_restart(FILE *){}
virtual void write_restart_settings(FILE *){}
virtual void read_restart_settings(FILE *){}
//virtual void reset_dt();
/* PUBLIC ACCESS FUNCTIONS */
int sph_kernel_id(){return kernel_id;}
int returnPairStyle(){return pairStyle_; };
double returnViscosity() {return viscosity_; };
protected:
void allocate();
virtual void updatePtrs();
virtual void updateRadius();
//virtual double interpDist(double, double);
inline double interpDist(double disti, double distj) {return 0.5*(disti+distj);}
class FixPropertyAtom* fppaSl; //fix for smoothing length
class FixPropertyGlobal* fppaSlType; //fix for per type smoothing length
double *sl; // per atom smoothing length
double **slComType; // common smoothing length in case of mass_type=1
double sl_0;
int kernel_id;
char *kernel_style;
double *onerad;
double *maxrad;
int mass_type; // flag defined in atom_vec*
int pairStyle_;
double viscosity_;
// storage for force part caused by pressure gradient (grad P / rho):
class FixPropertyAtom* fix_fgradP_;
double **fgradP_;
};
}
#endif
#endif
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