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About derive Fluid flow velocity (advection) while using ALE in dyna

Hi, dear all!

I am using arbitrary lagrangian-eulerian (ALE) in LS-DYNA for a fluid-structure interaction case. From the ALE application view, the ALE meshes have to be assigned to move in a specific manner (e.g. automatic mesh motion following mass weighted average velocity in ALE mesh) together with the material (fluid) flow within the mesh. I wonder if, from the post-processing view, there is any method that can derive the fluid flow velocity.

 

Any discussion/ suggestion are highly appreciated!

 

Best regards!

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