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Re: [Question #691324]: Flow inside a cylinder pipe

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From: Deepak <question691324@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 17 Jun 2020 20:25:49 -0000
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Question #691324 on Yade changed:
https://answers.launchpad.net/yade/+question/691324

    Status: Open => Answered

Deepak proposed the following answer:
Hello, 
Yes it should be possible to perform such a simulation. You can create a pipe geometry mesh it and set the appropriate boundary conditions in openfoam. In the yade side, use the same pipe geometry (.stl file) generate a facet body from this stl, generate spheres at the interior of  the cylinder surface and set  the exact boundary conditions you have in openfoam. 

For example : for a fully developed pipe flow (i,e. the velocity profile does not vary along the axis), you would require periodic boundary conditions  at the 'inlet' and 'outlet' surfaces (along the axial direction), and wall boundary condition over the cylinder surface. 
In yade, this same setup has to be maintained, perioidic bcs in the axial direction and solid wall/facet to represent the cylinder surface,  and generate spheres using the spherePack utility with the cylinder as the preidcate.

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