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How to separate yield region from the model

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thiagopessoa

Geotechnical
Joined
Dec 9, 2010
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2
Location
BR
Hi folks,
I am simulating a mechanical loading in a deep well and I am trying to get the same results as laboratorial tests.
It’s a 2D elastic-plastic model and I am using Mohr Coulomb plasticity.
There are 2 different materials in the model: sandstone and steel.

In the laboratorial test the yielding region begins to separate in layers from the sandstone, like a peeling of an onion skin. Is that possible in Abaqus?
Anyone has any idea?

Regards,

Thiago
 
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