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Ramberg-Osgood

Ramberg-Osgood

Ramberg-Osgood

(OP)
Hello!

I'm a beginner in Abaqus. I have a problem with plastic deformation. I have the values E,k',n' of the curve cyclic Ramberg-Osgood. I would like to know how I can obtain the parameters required Abaqus. Thank you very much everybody!!

RE: Ramberg-Osgood

I hope, I mean the correct material model ...
I think you need: E, nue, sigma0, n and alpha

... wiki:
http://en.wikipedia.org/wiki/Ramberg-Osgood_relationship
and the section in the Abaqus Analysis User's Manual:
19.2.13 Deformation plasticity (in the 6.7EF release at least)

There are the equations.

RE: Ramberg-Osgood

can you post these values please? along with the linear elastic ones (steel i assume)?

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