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[Mike <question641979@xxxxxxxxxxxxxxxxxxxxx>]

Question #641979 on Yade changed:
https://answers.launchpad.net/yade/+question/641979

    Status: Answered => Open

Mike is still having a problem:
Hi Gary,

I thought it should be triax.stressMask = 6 = 0*1 (for direction 1) + 1* 2
(for direction 2) + 1* 4 (for direction 3)?

So that I can apply strain control in direction 1 (in my case it is X
direction).

Thank you,
Mike


On Fri, Jun 9, 2017 at 9:44 AM, Jérôme Duriez <
question641979@xxxxxxxxxxxxxxxxxxxxx> wrote:

> Your question #641979 on Yade changed:
> https://answers.launchpad.net/yade/+question/641979
>
>     Status: Open => Answered
>
> Jérôme Duriez proposed the following answer:
> It's not really a matter of confusion between 1,2,3 vs x,y,z (by the
> way, what is confusing with 1=x, 2=y, and 3=z ? ;-) ) but a matter of
> how stressMask works.
>
> You said you want "strain-controlled for direction1, and stress control
> for direction 2 and 3", then you do not have any other choice than using
> stressMask
> = 0 *2^2 (for direction 1) + 1*2^1 (direction 2) + 1*2^0 (direction 3)
> = 3 !
>
> Thank you Gary ;-)
>
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