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Re: [Question #660155]: Final velocity

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Bruno Chareyre <question660155@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 31 Oct 2017 10:38:56 -0000
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Sender: bounces@xxxxxxxxxxxxx

Question #660155 on Yade changed:
https://answers.launchpad.net/yade/+question/660155

Bruno Chareyre proposed the following answer:
It seems a question is "does DragEngine support clumps?".
I don't know (I guess not), but you can probably check the code to see how the equations are.

There is also maybe an inconsistency between what you expect and what your script does:
>I suspect that it is because YADE just computes the drag force for each independent sphere, and not the clump.

 The engine does what you ask: "DragEngine(ids=[0,1,2,3,4,5,6,7,8,9..." means that you declare the clump members to the engine. I would think you just need to declare the clump.
The numbering method is also unclear. You have 51 bodies after first section (50 members + 1 clump) and 40 DragEngine ids. Why?

Bruno

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