[Yade-users] [Question #700102]: getSaturation - 2PFV

2022-01-06 Thread Luis Barbosa
New question #700102 on Yade:
https://answers.launchpad.net/yade/+question/700102

Hi all,

I am facing some difficulties to solve an issue regarding getSaturation - 2PFV. 
Obtaining negative values.


Where can I find the documentation to understand the calculations of this 
function?


Kind regards,
Luis

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Re: [Yade-users] [Question #699998]: How to simulate small-strain triaxial compression test

2022-01-06 Thread Leonard
Question #68 on Yade changed:
https://answers.launchpad.net/yade/+question/68

Status: Answered => Solved

Leonard confirmed that the question is solved:
Thanks Jérôme Duriez, that solved my question.

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Re: [Yade-users] [Question #700031]: postprocessing data with tassellationWrapper

2022-01-06 Thread Bruno Chareyre
Question #700031 on Yade changed:
https://answers.launchpad.net/yade/+question/700031

Bruno Chareyre posted a new comment:
Hi,
Just a quick comment.
"Not seeing distinct features" is somewhat expected in most cases.
Persistent shear bands are never fully persistent and always a bit noisy, so 
seeing them depends very much on the strain magnitude between the two states 
(too small or too large: nothing visible).
And sometimes there is just no persistent shear bands...

Bruno

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Re: [Yade-users] [Question #699998]: How to simulate small-strain triaxial compression test

2022-01-06 Thread Bruno Chareyre
Question #68 on Yade changed:
https://answers.launchpad.net/yade/+question/68

Bruno Chareyre posted a new comment:
Transitioning between phases is often based on the ubalanced force (see 
"stabilityThreshold=0.01").
That's basically a residual amount of dynamic noise we accept.
If you want a very clean equilibrium state before imposing a strain increment 
you can aim at an even smaller value.

I'm surprised decreasing max_vel alone is a sufficient answer.

Bruno

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Re: [Yade-users] [Question #700102]: getSaturation - 2PFV

2022-01-06 Thread Bruno Chareyre
Question #700102 on Yade changed:
https://answers.launchpad.net/yade/+question/700102

Status: Open => Answered

Bruno Chareyre proposed the following answer:
Hi,
I'm afraid the code is the only documentation right now.
Any example script?
Bruno

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Re: [Yade-users] [Question #700031]: postprocessing data with tassellationWrapper

2022-01-06 Thread Marco Previtali
Question #700031 on Yade changed:
https://answers.launchpad.net/yade/+question/700031

Marco Previtali posted a new comment:
Hi,
I have managed to obtain visible shear bands by converting my 2D experiment to 
a pseudo-3D and then carrying out the analysis.
I was mostly confused because the image on the wiki showed a very clear shear 
band, while the example provided (i.e. an uniaxial compression test) looked 
like it would exhibit sometime similar but didn't show anything in the 
post-processing.  The fixed displacement example proposed  by Karol worked very 
well in this context.

Marco

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