update benchmarks file and romove the unused comments in rotatingDrumMedium

benchmarks/rotatingDrum_4MParticles/settings/particlesDict

@@ -3,42 +3,50 @@
 |  copyright: www.cemf.ir                                                     | 
 \* ------------------------------------------------------------------------- */  
 
-objectName 	particlesDict;
-objectType 	dictionary;
+objectName     particlesDict;
+objectType     dictionary;
+fileFormat     ASCII;
 
 setFields
 {
-	
-	defaultValue 
-	{
-		velocity 		realx3 	(0 0 0); // linear velocity (m/s)
-		acceleration 	realx3 	(0 0 0); // linear acceleration (m/s2)
-		rotVelocity 	realx3 	(0 0 0); // rotational velocity (rad/s)
-		shapeName 		word	glassBead; // name of the particle shape 
-	}
+    /*
+        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)
+        rotVelocity      realx3     (0 0 0);     // rotational velocity (rad/s)
+        shapeName        word       glassBead;   // name of the particle shape 
+    }
 
-	selectors
-	{}
+    selectors
+    {}
 }
 
 positionParticles
 {
-	method positionOrdered;     		
+    method ordered;
 
-	maxNumberOfParticles 	4000001; 
-	mortonSorting 			Yes;    
+    orderedInfo
+    {
+        diameter   0.003;           // minimum space between centers of particles
+        
+        numPoints  4000000;         // number of particles in the simulation 
+        
+        axisOrder  (z x y);         // axis order for filling the space with particles
+    }
 
-	cylinder  // box for positioning particles 
-	{
-		p1 ( 0.0  0.0 0.01);    // lower corner point of the box 
-		p2 ( 0.0  0.0 1.59);	// upper corner point of the box 
-		radius 0.195;
-	}
-	
-	positionOrderedInfo
-	{
-		diameter 0.003; 	// minimum space between centers of particles
-		numPoints 4000000; 	// number of particles in the simulation 
-		axisOrder (z x y);  // axis order for filling the space with particles
-	}
+    regionType cylinder;            // other options: box and sphere    
+
+    cylinderInfo                    // cylinder for positioning particles 
+    {
+        p1     (0.0  0.0  0.01);    // lower corner point of the box 
+        
+        p2     (0.0  0.0  1.59);    // upper corner point of the box 
+        
+        radius 0.195;               // radius of cylinder 
+    }
 }