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[Fluent] 3D Dynamic Mesh

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Old   April 2, 2024, 04:26
Default [Fluent] 3D Dynamic Mesh
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Quoc-Viet Le
Join Date: Mar 2023
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Hello guys,

I tried implementing a valve opening/closing simulation inside a pipe using Fluent,

With 2D models, UDF and dynamic mesh are fine.

When using it on a 3D model, the cylindrical shape of the tube causes the moving wall geometry to change, resulting in a negative cell volume error.

How can I fix this?

Thanks!

p/s: I've attached the Geometries both 2D and 3D model

2D.png

3D.png
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