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[Jérôme Duriez <question681521@xxxxxxxxxxxxxxxxxxxxx>]

Question #681521 on Yade changed:
https://answers.launchpad.net/yade/+question/681521

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
Hi,

O.engines can be accessed/modified (or read/write accessed) at any time
of the simulation, it just depends on the user (to access it whenever
he/she wants).

You just need to follow the rules at https://yade-dem.org/doc/user.html
#base-engines, which is what you do here.

You may check it yourself

O.engines
O.engines += [HarmonicMotionEngine(A=[0,0,0.01],f=[0,0,20.0],ids=[0])] # so that you can copy paste this example outside of your script, change the ids attribute if you want to tailor it to your particular scrit.....
O.engines # you will see the added engine

Jérôme

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