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moloykb February 13, 2013 03:08

3d pipe with dynamic mesh
Dear all,
I am trying to simulate the problem where a 3d cylindrical pipe, whose wall is expanding and contracting simultaneously in a sinusoidal manner. How to put the velocity components for that situation using DEFINE_CG_MOTION macro.
Any help is highly appreciated.

moloykb February 14, 2013 03:40

whetehr I acn do it with DEFINE_CG_MOTION macro or not? or I have to switch to DEFINE_GRID_MOTION? Pl. help me....

moloykb February 18, 2013 01:04

pl. help me in this regard. I am not in a position to proceed further ...

moloykb February 21, 2013 04:14

anybody have any idea about the problem... I am stuck this for quite a sometime now??:confused:

benjamin_ June 12, 2013 04:03

Hi moloykb,

I'm currently experiencing the same issue :

DEFINE_GRID_MOTION on a cell block , for the mesh movement it's OK , but I've a 0 velocity on the moving wall , so a wrong shear stress...

Did you solve this ?


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