drum-PeriodictBoundary tutorial added

tutorials/sphereGranFlow/drum-PeriodicBoundary/caseSetup/interaction

@@ -0,0 +1,49 @@
+/* -------------------------------*- 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;
+
+contactSearch
+{
+    method          NBS;          // method for broad search 
+
+    updateInterval  10;
+
+    sizeRatio       1.1;
+
+    cellExtent      0.55;
+
+    adjustableBox   Yes;
+}
+
+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
+
+    mu      (0.3);     // dynamic friction 
+
+    mur     (0.1);     // rolling friction  
+}
+
+