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Mesh displacement in ALE

Mesh displacement in ALE

Mesh displacement in ALE

(OP)
Hi,

There is something I don't understand with the 2D ALE adaptive meshing:

I have two different models using this method but two different results.

First model: a first step without ALE, a second with ALE: one inflow and one outflow eulerian boundary regions. The mesh moves with the material and the geometry is updated.

Second model: a single step with ALE, the same inflow and outflow eulerian boudary surfaces. This time the mesh doesn't move with the material !!! : The stresses change with the time but the geometry remains the same !!!

What can influence the displacement of the mesh in an ALE ????

Thx

RE: Mesh displacement in ALE

Hi,Doug,
Could you tell me how to define inflow and outflow eulerian boundary in ALE?
Thank you so much!

RE: Mesh displacement in ALE

(OP)
In your *.inp file:

*Surface, name=..., region type=eulerian

Doug

RE: Mesh displacement in ALE

HELLO
I MADE A MODEL IN ABAQUS CAE FOR FRICTION STIR WELDING PROCESSING BUT IN INFLOW AND OUTFLOW DEFINITION I HAVE PROBLEM AND MY ERROR IS "An Eulerian boundary region cannot overlap a sliding boundary region" . I ATTACH MY .inp  FILE, PLEASE HELP ME!
Thank you so much.  

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