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+# Problem Definition 
+The problem is to simulate a Rotating Drum with **6** Baffles with the diameter **0.24m** and the length **0.1m** rotating at **15 rad/s**. This Rotating Drum is filled with **20000** Particles.The timestep for integration is **0.00001 s**. There are 2 types of Particles in this Rotating Drum:
+* **12500** Particles with **4 mm** diameter
+* **7500** Particles with **5mm** diameter  
+## Setting up the Case
+As it has been explained in the previous Cases, these Tutorials are based on text-based scripts. There are three parts in this case to study `caseSetup`, `setting` and `stl`.
+## Particle Insertion
+In this case we have two region for inserting our particles. In the both region we define rate of Insertion, start and end time of Insertion, coordinates of Insertion and radius of Insertion.  
+An example for the Right Layer Region of insertion of Particles is shown below.  
+```
+// Right Layer Region
+   layerrightregion 
+{
+// type of insertion region
+   type	          cylinderRegion;
+// insertion rate (particles/s)    
+   rate 	  12500;
+// Start time of LightParticles insertion (s)
+   startTime 	  0; 
+// End time of LightParticles insertion (s)      
+   endTime   	  1;
+// Time Interval of LightParticles insertion (s)
+   interval       0.025; 
+
+   cylinderRegionInfo 
+   {
+// Coordinates of cylinderRegion (m,m,m)
+   	p2 (-0.15 0.25 0.05);
+   	p1 (-0.15 0.24	0.05);
+// radius of cylinder (m)
+   	radius 0.035;
+```
+Then in the `sphereShape` the diameter and the material of our Particles are defined.  
+```
+// names of shapes 
+names 		(lightSphere heavySphere);
+// diameter of shapes (m) 	
+diameters 	(0.004 0.005);
+// material names for shapes 			
+materials	(lightMat heavyMat);
+```
+In this Case we have two types of Particle with 4mm and 5mm diameters.  
+At the end of `caseSetup`, the interaction between the particles and the Shell of Rotating Drum is defined. You can see the Coefficients of the Interactions between the particles and shell of Rotating Drum in `interaction`.
+## Settings
+### Geometry
+In the Settings folder the Specifications of our Rotating Drum and the information of rotating axis are brought. In this case we use two solid cylinders to keep our rotating drum isolated. This is to prevent particles, from being thrown out.  
+For example the codes for the rear cylinder is brought below.  
+```
+/*This is a Cylinder Wall at the rear of cylinder	*/
+	CylinderRear1
+	{
+		// type of the wall
+		type cylinderWall;
+		// first point for the axis of rotation			
+		p1 (-0.1974  0.2269  -0.001);
+		// second point for the axis of rotation	 
+		p2 (-0.1974  0.2269   0.0);
+		// Radius of p1	
+		radius1 0.0001;
+		// Radius of p2
+		radius2 0.12;
+		// material name of the wall
+		material wallMat;
+		// motion component name          
+		motion rotAxis;			 
+	}
+```
+### Rotating Axis Info
+In this part of `geometryDict` the information of `rotating axis` and `velocity` of this Rotating Drum is defined. Also in purpose to settle down Particles after they were inserted we use a `startTime` and `endTime` function. This shows the start time of rotation.  
+```
+rotatingAxisMotionInfo
+{
+	rotAxis 
+	{
+		// first point for the axis of rotation
+		p1 (-0.1974  0.2269  0);
+		// second point for the axis of rotation	 
+		p2 (-0.1974  0.2269  0.1);
+		// rotation speed (rad/s) => 15 rpm	
+		omega 2.38733;
+		// Start time of Geometry Rotating 		
+		startTime 2;
+		// End time of Geometry Rotating
+		endTime 9.5;
+	}
+}
+```
+## Starting Simulation
+To start Simulation we have to create our Particles at first.  
+Using `>particlesPhasicFlow` will create our Particles.  
+Using `>geometryPhasicFlow` will create our Geometry.  
+At last using `>sphereGranFlow` will starting the Simulation.  
+After finishing the Simulation Close the Terminal and use `>pFlowtoVTK`.
+
+
diff --git a/tutorials/sphereGranFlow/RotatingDrumWithBaffles/ReadMe.txt b/tutorials/sphereGranFlow/RotatingDrumWithBaffles/ReadMe.txt
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-To run this case please follow the below Steps:
-1- Open a terminal in the RotatingDrumWithBaffles
-2- Enter the code ./runThisCase to run the Case
-3- After finishing the run time please type pFlowtoVTK to convert data to VTK format
-4- After Post-Producting and viewing the case please enter ./cleanThisCase to delete data
-
-
-For more questions please contact:
-omidava.khosravi@gmail.com
-<3