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cosine wave on a wall

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Old   May 22, 2017, 23:53
Default cosine wave on a wall
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Nadun Palmada
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Hey guys
I am trying to implement a dynamic mesh where, in a rectangular channel the bottom wall is moving according to the following equation:

I am thinking of using a DEFINE_GRID_MOTION udf, but I am not too sure how to update the nodes, I have looked at the example on the fluent manual with the cantilever beam, where the node position is updated based on:

But this uses angular velocity.
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