yade-users team mailing list archive

[luc scholtes <lscholtes63@xxxxxxxxx>]

Hi Anton,

I am a bit curious, but, finally, you did not use the uniaxial strainer but
your own "test" with facets to perform uniaxial tests? Have you tried to
compare the results for both methods (particles or facet driving)? I was
thinking about doing such a test to see how boundary conditions affects the
assembly behaviour but I am still struggling with other stuff...

If you had any insights, it would be great.

Luc

2010/5/26 Anton Gladky <gladky.anton@xxxxxxxxx>

> Thanks again for suggestion!
>
> I would like to share the way, how I have done tension test. Maybe, it will
> be useful for somebody else.
> I used very powerful "mask" parameter. One half of the cylinder I marked
> with the mask 011, another one 101.
> Then I created the facets: one with the mask 010, which affect the first
> group of particle and doesn't with the second;
> and another "fixed" facet with the mask 100, which affect only the second
> group of spheres.
>
> Then I move one of facet and measure the resulting force. Sorry, for maybe
> completeness, but I found "mask" parameter as a
> very useful and flexible one.
>
> Cheers,
>
> Anton
>
>
> 2010/5/6 Václav Šmilauer <eudoxos@xxxxxxxx>
>
> > One more question (hopefully, the last for this topic ;) ), do you
>> > block boundary particles from another side of specimen from motion?
>>
>>
>> https://www.yade-dem.org/sphinx/yade.wrapper.html#yade.wrapper.UniaxialStrainer.asymmetry
>>
>> So they are either blocked (in the sense as determined by
>> blockDisplacement and blockRotations) or moved at half speed against the
>> other end which also moves at half-speed.
>>
>> HTH, Vaclav
>>
>>
>>
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