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[Chiara Modenese <question174878@xxxxxxxxxxxxxxxxxxxxx>]

Question #174878 on Yade changed:
https://answers.launchpad.net/yade/+question/174878

    Status: Answered => Open

Chiara Modenese is still having a problem:
On 17 October 2011 15:55, Chareyre
<question174878@xxxxxxxxxxxxxxxxxxxxx>wrote:

> Your question #174878 on Yade changed:
> https://answers.launchpad.net/yade/+question/174878
>
>    Status: Open => Answered
>
> Chareyre proposed the following answer:
> Oh ok. I didn't imagine this variant.
> No I didn't try that before. What are the values in goal?
>
I tried with: triax.goal=(-0.30,-0.30,-1e5)
So I thought that I could increase the lateral pressure by simply applying a
constant strain rate whereas I would keep the vertical pressure constant.
The test at the beginning seems to work fine but then I always reach a point
of instability which means I loose equilibrium. This could be explained by
the fact that in such a case I control stress other than displacement as for
the common compression test (I think).
Chiara


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