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Defining material properties for polyurethan

Defining material properties for polyurethan

Defining material properties for polyurethan

(OP)
I have a task to perform a static FEM analysis for a machine part made of Polyurethan. As I normally do static analysis for metal parts, where I define only two material parameters (Young's Modulus and Poisson's Ratio) I'm a little bit confused right now. Why? Because in the literature there are many parameters for this PU:
-    Tensile strength and modulus
-    Compressive strength and modulus
-    Flexural strength and modulus

How should I define this material in Abaqus for a simple case of static loading?
 

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