Update ReadMe.md minor changes
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PhasicFlow
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# Problem Definition
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The problem is to simulate a Rotary Air-Lock Valve with below diminsions:
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* Size of Cone:
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* Cone Gate: 29.17 cm
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* Cone Exit: 10.37 cm
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* Size of Outer Exit: 9.42 cm
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* External diameter of Circle: 20.74 cm
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There is one type of particle in this blender. Particles are poured into the inlet valve from t=**0** s.
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* **28000** particles with **5 mm** diameter poured into the valve with rate of **4000 particles/s**.
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The problem is to simulate a Rotary Air-Lock Valve. The external diameter of rotor is about 21 cm. There is one type of particle in this simulation. Particles are inserted into the inlet of the valve from t=**0** s.
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* **28000** particles with **5 mm** diameter are inserted into the valve with the rate of **4000 particles/s**.
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* The rotor starts its ortation at t = 1.25 s at the rate of 2.1 rad/s.
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<html>
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<body>
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@ -14,7 +10,7 @@ There is one type of particle in this blender. Particles are poured into the inl
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a view of the Rotary Air-Lock Valve while rotating
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</div></b>
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<div align="center">
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<img src="sample sample sample sample", width=700px>
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<img src="https://github.com/PhasicFlow/phasicFlow/blob/media/media/rotaryAirLock.gif", width=700px>
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</div>
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<div align="center"><i>
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particles are colored according to their id
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@ -23,11 +19,13 @@ There is one type of particle in this blender. Particles are poured into the inl
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</html>
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# Setting up the Case
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As it has been explained in the previous cases, the simulation case setup is based on text-based scripts. Here, the simulation case setup files are stored into three folders: `caseSetup`, `setting`, `stl` (see the above folders). See next the section for more information on how we can setup the geometry and its rotation.
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As it has been explained in the previous simulations, the simulation case setup is based on text-based scripts. Here, the simulation case setup files are stored into three folders: `caseSetup`, `setting`, and `stl` (see the above folders). See next the section for more information on how we can setup the geometry and its rotation.
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## Geometry
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### Defining rotation axis
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In file `settings/geometryDict` the information of rotating axis and speed of rotation are defined. The rotation of this blender starts at time=**0 s** and ends at time=**7 s**.
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In file `settings/geometryDict` the information of rotating axis of rotor and its speed of rotation are defined. The rotation starts at t = **1.25 s** and ends at t = **7 s**.
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```C++
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// information for rotatingAxisMotion motion model
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rotatingAxisMotionInfo
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@ -53,7 +51,8 @@ rotatingAxisMotionInfo
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}
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```
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### Surfaces
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In `settings/geometryDict` file, the surfaces component are defined to form a Rotating Air-Lock Valve.
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In `settings/geometryDict` file, the surfaces component are defined to form a Rotating Air-Lock Valve. All surface components are supplied in stl file format. All stl files should be stored under 'stl' folder.
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```C++
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surfaces
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{
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@ -71,7 +70,7 @@ surfaces
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// motion component name
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motion rotAxis;
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}
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surfaces
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surfaces
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{
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// type of the wall
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type stlWall;
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@ -104,25 +103,49 @@ diameters (0.005);
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// material names for shapes
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materials (sphereMat);
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```
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### Particle positioning before start of simulation
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### Insertion of Particles
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Insertion of particles starts from t = 0 s and ends at t = 7 s. A box is defined for the port from which particles are being inderted. The rate of insertion is 4000 particles per second.
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<div align="center">
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in <b>settings/particlesDict</b> file
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in <b>settings/particleInsertion</b> file
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</div>
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```C++
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// positions particles
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positionParticles
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topRegion
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{
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// creates the required fields with zero particles (empty).
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method empty;
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// type of insertion region
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type boxRegion;
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// maximum number of particles in the simulation
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maxNumberOfParticles 50000;
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// insertion rate (particles/s)
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rate 4000;
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// perform initial sorting based on morton code?
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mortonSorting Yes;
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// Start time of Particles insertion (s)
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startTime 0;
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// End time of Particles insertion (s)
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endTime 7;
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// Time interval between each insertion (s)
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interval 0.025;
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// Coordinates of BoxRegion (m,m,m)
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boxRegionInfo
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{
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min ( 0.48 0.58 0.01 ); // (m,m,m)
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max ( 0.64 0.59 0.05 ); // (m,m,m)
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}
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setFields
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{
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// initial velocity of inserted particles
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velocity realx3 (0.0 -0.6 0.0);
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}
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mixture
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{
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sphere 1;
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}
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}
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```
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@ -177,10 +200,10 @@ model
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0.1);
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}
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```
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# Performing Simulation and previewing the results
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# Performing simulation and seeing the results
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To perform simulations, enter the following commands one after another in the terminal.
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Enter `$ particlesPhasicFlow` command to create the initial fields for particles.
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Enter `$ particlesPhasicFlow` command to create the initial fields for particles (here the simulaiton has no particle at the beginning).
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Enter `$ geometryPhasicFlow` command to create the geometry.
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At last, enter `$ sphereGranFlow` command to start the simulation.
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After finishing the simulation, you can use `$ pFlowtoVTK` to convert the results into vtk format stored in ./VTK folder.
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