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[Xifan Li <question700980@xxxxxxxxxxxxxxxxxxxxx>]

Question #700980 on Yade changed:
https://answers.launchpad.net/yade/+question/700980

Description changed to:
The problem I have got:
[1]https://answers.launchpad.net/yade/+question/700957

In the last two days of trial and error and thinking, I have discovered
that the strain rate in TriaxialCompressionEngine can be changed when
the stress loading axis becomes negative,

[2] so what I want to know is whether I can have a situation in the
simulation where the strain rate can become negative when the stress in
a certain axis reaches a certain value.

[3] However, I have found that once the simulation is started, it seems
that the preset code in the engine cannot be changed later in the code
(i.e. the strainRate set in the engine is constant at the beginning), so
I would like to know if there is a way to make the strainRate change
during a process?

[4] I have also noticed that there is a code that can be used for making
an engine temporarily deactivated and only resurrect it at a later point
-------dead(=false). So I want to know how to apply this code to my
simulation code.

[5] I have put the code 'dead = True' to my simulation code, yes the
simulation did not run at all. But regarding to the demonstration of the
code: ' can be used for making an engine temporarily deactivated and
only resurrect it at a later point.' How can I activate this engine 'at
a later point'? And How to define the 'later point'?

Cheers

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