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tutorials/sphereGranFlow/rotatingDrumSmall/README.md
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@ -1,8 +1,15 @@
## Problem definition (v-1.0)
# Simularing a rotating drum (v-1.0)
## Problem definition
The problem is to simulate a rotating drum with the diameter 0.24 m and the length 0.1 m rotating at 11.6 rpm. It is filled with 30,000 4-mm spherical particles. The timestep for integration is 0.00001 s.
<div align="center"><b>
a view of rotating drum
<div align="center">
<b>
A view of rotating drum
</b>
<b>
![](https://github.com/PhasicFlow/phasicFlow/blob/media/media/rotating-drum-s.png)
</b></div>
***
@ -206,7 +213,7 @@ model
}
```
Dictionary `contactSearch` sets the methods for particle-particle and particle-wall contact search. `method` specifies the algorithm for finding neighbor list for particle-particle contacts and `wallMapping` shows how particles are mapped onto walls for finding neighbor list for particle-wall contacts. `updateFrequency` sets the frequency for updating neighbor list and `sizeRatio` sets the size of enlarged cells (with respect to particle diameter) for finding neighbor list. Larger `sizeRatio` include more particles in the neighbor list and you require to update it less frequent.
Dictionary `contactSearch` sets the methods for particle-particle and particle-wall contact search. `method` specifies the algorithm for finding neighbor list for particle-particle contacts. `updateInterval` sets the number of iterations between each occurance of updating neighbor list and `sizeRatio` sets the size of enlarged cells (with respect to particle diameter) for finding neighbor list. Larger `sizeRatio` include more particles in the neighbor list and you require to update it less frequent.
<div align="center">
in <b>caseSetup/interaction</b> file
@ -278,14 +285,15 @@ timersReport Yes; // report timers (Yes or No)
timersReportInterval 0.01; // time interval for reporting timers
```
The dictionary `domain` defines the a rectangular bounding box with two corner points for the simulation. Each particle that gets out of this box, will be deleted automatically.
The dictionary `settings/domainDict` defines the a rectangular bounding box with two corner points for the simulation. Each particle that gets out of this box, will be deleted automatically.
<div align="center">
in <b>settings/domainDict</b> file
</div>
```C++
globalBox // Simulation domain: every particles that goes outside this domain will be deleted
// Simulation domain: every particles that goes outside this domain will be deleted
globalBox
{
min (-0.12 -0.12 0.00); // lower corner point of the box