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The model refuses to converge.

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Harrie7

Harrie7

Civil/Environmental
Joined
Feb 21, 2023
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1
Location
IN
Greetings,
I'm a newbie in this soil modelling business; have modelled a 'tank' full of soil. But once I input the *Mohr Coulomb model by inputting the friction angle and dilation, the model refuses to converge. the cohesion of the material is 4.4kPa. But I don't know the cohesion yield stress and absolute plastic strain. how can I input them? Please help me.
Thank in advance.
With regards
 
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I would look for research papers with such material data for your kind of soil. It's pretty much the only way apart from performing physical tests.
 
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