Eulerian Modeling

[ZohrehA]

Dear All,

I want to model the metal particle impact (at high velocity) on to a metal substrate (cold spray process).
Due to excessive deformation I have to use Eulerian method.
So I would like to know how should I make this model. I did as bellow but my model is not working!
I defined the parts: one Eulerian part, and two 3D-deformable parts as substrate and particle.
Then I assigned material: I defined an Eulerian section and assigned that to Eulerian part and then defined a Solid-Homogeneous section and assigned that to 3D-and deformable parts (substrate and particle).
At Interaction module: I defined general contact--> "all with self" with "Tangential and Normal behavior" interaction property. And two Discrete fields (Volume fraction tool) to fill particle and substrate with Eulerian material.
At load module: I defined velocity for the particle.
I also meshed all parts.

As I tolled the model was not successful. I changed many thing but still not succeed.
Could anyone help me? I really appreciate.

BW,
Zohreh

 

[FEA way]

What's the problem with this approach when you run the analysis ? Are there any specific errors ?

In the case of CEL, you need Eulerian domain (volume where the Eulerian fluid-like material can be during the whole analysis) meshed with Eulerian elements and having Eulerian section assigned. Then you put Lagrangian parts with which fluid-like material may interact (e.g. floor). Interaction between them is handled by general contact.

 

[ZohrehA]

I think I should use pure Eulerian model. Since the particle and substrate are not rigid and they deform excessively under impact.
So this time I define 3 Eulerian Part (Substrate, sphere particle and Eulerian domain).
I meshed all parts and assigned Eulerian section to all parts.
Also defined general contact--> "all with self" with "Tangential and Normal behavior" interaction property. I faced attached error.
Then I defined two surfaces: top substrate surface and particle surface and tried "selected included surface" in interaction module, but still the same error.