Yade

Using radius expansion method to build a DEM model

Asked by Shayan hashemi

Dear developers of Yade or PFC
I am a new user of PFC, I want to build a DEM model using many sub-spheres to fill a given regular shape with radius expansion method, such as a sand particle. But, I cannot find even an example using this radius expansion method in PFC's tutorial. Can you give me such an example to help me improving my programming skills?
Many thanks and regards,

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Robert Caulk (rcaulk) said : 		#1

Hello,

It sounds like you are interested in using the TriaxialStressController. Within this engine, you can indicate whether you want to achieve confining stress by internal compaction (radius expansion) or by moving the walls. If you would like to see this method in action and improve your programming skills, there is a wonderful tutorial located in your Yade examples folder:

/examples/triax-tutorial

If you have not installed Yade, you can look at the code here:
https://github.com/yade/trunk/tree/17ef98c3639aad5f474586eed13e2ccae98dcf4a/examples/triax-tutorial

As for PFC, you may want to seek assistance elsewhere since it is an entitely different software package.

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