add converyor belt model

tutorials/sphereGranFlow/conveyorBelt/settings/particlesDict

@@ -0,0 +1,47 @@
+/* -------------------------------*- C++ -*--------------------------------- *\ 
+|  phasicFlow File                                                            | 
+|  copyright: www.cemf.ir                                                     | 
+\* ------------------------------------------------------------------------- */  
+objectName 	particlesDict;
+objectType 	dictionary;
+fileFormat  ASCII;
+/*---------------------------------------------------------------------------*/
+setFields
+{
+	/*
+	    Default value for fields defined for particles
+
+		These fields should always be defined for simulations with 
+
+		spherical particles.
+	*/
+
+	defaultValue 
+	{
+		velocity 		realx3 	    (0 0 0);     // linear velocity (m/s)
+
+		acceleration 	realx3 	    (0 0 0);     // linear acceleration (m/s2)
+
+		rVelocity 		realx3 	    (0 0 0);  	 // rotational velocity (rad/s)
+
+		shapeName 		word	lightSphere; 	 // name of the particle shape 
+	}
+
+	selectors
+	{}
+}
+
+positionParticles                                // positions particles 
+{
+	method                empty;                 // other options: ordered and random 
+
+	regionType              box;                 // other options: cylinder and sphere  
+
+	boxInfo                                      // box region for positioning particles 
+	{
+		min (-0.08 -0.08 0.015);                 // lower corner point of the box 
+
+		max ( 0.08  0.08 0.098);	             // upper corner point of the box 
+	} 
+}
+