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Re: [Question #218627]: Plate's velocity in Triaxial test

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From: Chareyre <question218627@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 08 Jan 2013 15:11:14 -0000
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Question #218627 on Yade changed:
https://answers.launchpad.net/yade/+question/218627

    Status: Open => Answered

Chareyre proposed the following answer:
>The 5 faces (4 faces around the box and one face at the bottom) of the
box are fixed by value of stress and have the stress on them by default
100kPa (confinement stress). The top face is going down slowly

I would call this null loading!
If 100 kPa are imposed at the bottom and you move the top plate down, then the bottom plate will follow and go down at almost the same speed. Although it is possible to simulate this, it is probably not what you want since it will simulates a rigid-body translation...

You can use strain control for this purpose yes, but I would also
strain-control the bottom plate.

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