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I have a component meshed with different elements (Hexa, Penta and tetra). The problem I am facing is while defining the element formulation of the component. How one can define element formulation in such case? 

 

The problem is the same for the case of 2D plates when we encounter quad and tri elements in a component.

 

I also searched the answer for this in the book "Practical aspects of FEA" but couldn't find it. Please guide me through the problem.

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Hi Amar,

If you want particular element formulation for each element type you have to organize them in separate component collectors and has to assign individual property where you can assign separate element formulations.

You can go through Crash Analysis With RADIOSS – A Study Guide ebook where element formulations available in RADIOSS user profile are covered.

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This means we can store different element types of a single solid in different component collectors and assign them different formulations. Wouldn't it create any problem?  

Because, once when I was analyzing an assembly, I stored all the component  in a single collector and wasn't able to find any penetration. Please tell me if I need to take care of any such probable concern while defining element formulation for different element types in a single solid? 

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