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Forum: Main CFD Forum

January 15, 2024, 08:36

Replies: 14

What is the name of the formulation for flows with sliding meshes?

Views: 390

Posted By LuckyTran

The whole point of ALE is to use mesh...

The whole point of ALE is to use mesh coordinates, allowing a purely Eulerian framework to solve the problem of moving boundaries.

Every unstructured FVM solver I've ever seen uses mesh...

Forum: Main CFD Forum

January 14, 2024, 10:09

Replies: 14

What is the name of the formulation for flows with sliding meshes?

Views: 390

Posted By LuckyTran

The approach you show in your own post is an...

The approach you show in your own post is an example of a case where the mesh is attached to the reference frame. Even if you provided no picture, it would be implied anyway if you are use a sliding...

Forum: Main CFD Forum

January 14, 2024, 01:11

Replies: 14

What is the name of the formulation for flows with sliding meshes?

Views: 390

Posted By LuckyTran

Eulerian reference frames existed long before CFD...

Eulerian reference frames existed long before CFD and meshes. That clearly cannot be the definition! I think it goes all the way back to this guy named Euler.

But I guess it is now 2024 and we let...

Forum: Main CFD Forum

January 12, 2024, 16:59

Replies: 14

What is the name of the formulation for flows with sliding meshes?

Views: 390

Posted By LuckyTran

We just call it moving mesh. Actually it...

We just call it moving mesh.

Actually it is still Eulerian because sliding interface is what enables the grid to move in-sync with the motion of the boundaries and it is the same Eulerian...

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