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PEEQ Equivalent Plastic Strain - What does this tell me?

PEEQ Equivalent Plastic Strain - What does this tell me?

PEEQ Equivalent Plastic Strain - What does this tell me?

(OP)
I get FEA results from our Analysis Group and they have detailed some non-linear FEA's using PEEQ as the criteria. For steel stampings, they have used 0.24 as the criteria.

To a layman, what is PEEQ and what does this mean?

RE: PEEQ Equivalent Plastic Strain - What does this tell me?

Dowson,

PEEQ is the ABAQUS parameter name for the equivalent plastic strain. Essentially it's a scalar measure of all the components of equivalent plastic strain at each position in the model, somewhat like Von Mises stress is a scalar measure of the shear stress at a point.

I'm not sure what you mean by "used 0.24 as the criteria". Have they supplied you with contour plots showing a maximum value of PEEQ as 0.24? Anyway, 0.24 is a plastic strain of 24%.

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