/usr/include/liggghts/fix_sph.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:
Andreas Aigner (JKU Linz))
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef LMP_FIX_SPH
#define LMP_FIX_SPH
#include "fix.h"
namespace LAMMPS_NS {
class FixSph : public Fix {
public:
FixSph(class LAMMPS *, int, char **);
~FixSph();
int setmask();
virtual void updatePtrs();
void init();
void init_list(int, class NeighList *);
virtual void post_integrate() {};
virtual void post_integrate_respa(int, int);
int get_kernel_id(){return kernel_id;};
inline void set_kernel_id(int newid){kernel_id = newid;};
int kernel_flag; // 1 if Fix uses sph kernel, 0 if not
protected:
inline double interpDist(double disti, double distj) {return 0.5*(disti+distj);};
class FixPropertyAtom* fppaSl; //smoothing length
class FixPropertyGlobal* fppaSlType; //per type smoothing length
double *sl; // per atom smoothing length
double **slComType; // common smoothing length in case of mass_type=1
int kernel_id;
double kernel_cut;
char *kernel_style;
class NeighList *list;
int nlevels_respa;
int mass_type; // flag defined in atom_vec*
};
}
#endif
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