Autodesk Robot Structural Analysis

[#1]

Hi Dear:

I saw in your reference :

Structure non-linearity can be related to a single structure element (structural or material non-linearity) or can be a result of the force-deformation relationship in the whole structure (geometric non-linearity).

but can't find any option to define nonlinearities!!!. Is there any option?

I want to define nonlinear concrete. Could you please help me? Thank you.

[#2 · Accepted solution]

You can't define nonlinear concrete properties in Robot. 

[#3]

Good question ?