/usr/include/liggghts/primitive_wall.h is in libliggghts-dev 3.3.1+repack1-1ubuntu3.
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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)
Philippe Seil (JKU Linz)
Copyright 2012- DCS Computing GmbH, Linz
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef LMP_PRIMITIVE_WALL
#define LMP_PRIMITIVE_WALL
#include "container.h"
#include "neighbor.h"
#include "primitive_wall_definitions.h"
namespace LAMMPS_NS
{
/*
* class PrimitiveWall only holds logic for resolving contacts, neighbor list and contact tracking
*/
class PrimitiveWall : protected Pointers
{
public:
PrimitiveWall(LAMMPS *lmp,PRIMITIVE_WALL_DEFINITIONS::WallType wType_, int nParam_, double *param_)
: Pointers(lmp), neighlist("neighlist"), wType(wType_), nParam(nParam_)
{
param = new double[nParam];
for(int i=0;i<nParam;i++)
param[i] = param_[i];
}
virtual ~PrimitiveWall()
{
delete []param;
}
inline int getNeighbors(int *&contactPtr);
inline void handleContact(int iPart,double *&c_history);
inline void handleNoContact(int iPart);
inline void setContactHistorySize(int nPart);
inline void buildNeighList(double neighCutoff, double **x, double *r, int nPart);
inline double resolveContact(double *x, double r, double *delta);
inline bool resolveNeighlist(double *x, double r, double treshold);
inline int axis();
inline double calcRadialDistance(double *pos, double *distvec);
inline int isNear(int iPart,double treshold);
private:
ScalarContainer<int> neighlist;
PRIMITIVE_WALL_DEFINITIONS::WallType wType;
double *param;
int nParam;
};
/*
* implementation of class PrimitiveWall starts here
*/
double PrimitiveWall::resolveContact(double *x, double r, double *delta)
{
return PRIMITIVE_WALL_DEFINITIONS::chooseContactTemplate(x, r, delta, param, wType);
}
int PrimitiveWall::axis()
{
return PRIMITIVE_WALL_DEFINITIONS::chooseAxis(wType);
}
double PrimitiveWall::calcRadialDistance(double *pos, double *distvec)
{
return PRIMITIVE_WALL_DEFINITIONS::chooseCalcRadialDistance(pos, param, distvec[0],distvec[1],distvec[2], wType);
}
bool PrimitiveWall::resolveNeighlist(double *x, double r, double treshold)
{
return PRIMITIVE_WALL_DEFINITIONS::chooseNeighlistTemplate(x,r,treshold,param,wType);
}
int PrimitiveWall::getNeighbors(int *&contactPtr)
{
contactPtr = neighlist.begin();
return neighlist.size();
}
void PrimitiveWall::buildNeighList(double treshold, double **x, double *r, int nPart)
{
neighlist.clearContainer();
for(int iPart=0;iPart<nPart;iPart++)
{
if(resolveNeighlist(x[iPart],r?r[iPart]:0.,treshold))
neighlist.add(iPart);
}
}
int PrimitiveWall::isNear(int iPart,double treshold)
{
if(resolveNeighlist(atom->x[iPart],atom->radius?atom->radius[iPart]:0.,treshold))
return 1;
return 0;
}
} /* namespace LAMMPS_NS */
#endif /* PRIMITIVEWALL_H_ */
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