phasicFlow/tutorials/sphereGranFlow/rotatingDrumSmall/caseSetup/interaction

/* -------------------------------*- C++ -*--------------------------------- *\ 
|  phasicFlow File                                                            | 
|  copyright: www.cemf.ir                                                     | 
\* ------------------------------------------------------------------------- */ 
objectName interaction;
objectType dicrionary;
fileFormat  ASCII;
/*---------------------------------------------------------------------------*/

materials      (prop1);    // a list of materials names
densities      (1000.0);   // density of materials [kg/m3]

contactListType   sortedContactList; 

model
{
   contactForceModel nonLinearNonLimited;
   rollingFrictionModel normal;

   Yeff  (1.0e6);       // Young modulus [Pa]

   Geff  (0.8e6);       // Shear modulus [Pa]

   nu    (0.25);        // Poisson's ratio [-]

   en    (0.7);         // coefficient of normal restitution

   et    (1.0);         // coefficient of tangential restitution 

   mu    (0.3);         // dynamic friction 

   mur   (0.1);         // rolling friction 
        
}

contactSearch
{
   method         NBS;           // method for broad search particle-particle
   wallMapping    cellMapping;   // method for broad search particle-wall 

   NBSInfo
   {
      updateFrequency 20;        // each 20 timesteps, update neighbor list 
      sizeRatio      1.1;        // bounding box size to particle diameter (max)
   }

   cellMappingInfo
   {
      updateFrequency 20;        // each 20 timesteps, update neighbor list  
      cellExtent     0.7;        // bounding box for particle-wall search (> 0.5)
   }

}