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[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

> during the triaxial test I should maintain the same lateral stress value 
> during the analysis, while the axial stress is increasing. The fact is that 
> from my simulation actually I see from the results that the lateral stress is 
> not kept constant, but it is increasing. How can I fix it? Am I wrong 
> somewhere?
>   
One possible cause : lateral boxes have this maximum velocity. If the 
axial velocity is too high, lateral boundaries cannot move fast enough 
to adjust the stress. You need to increase max_vel or decrease strain rate.

Does it fix the problem?

Bruno


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Chareyre Bruno
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