Hi François,
To modify the value of damping during a simulation, you should, first,
identify NewtonIntegrator:
newton=utils.typedEngine('NewtonIntegrator')
then, you can access the damping value like this:
newton.damping
To modify it, you can do:
newton.damping=yourValue
Concerning the substraction (deletion?) of an engine, you can try to type
this:
O.engines=O.engines[:2]+O.engines[3:0]
It should remove the 3rd engine (for example). So you have to identify the
position of your engine in the initial list. Not sure it is the propest
solution though...
Cheers
Luc
ps: next time, ask your question here:
https://answers.launchpad.net/yade/+addquestion
2012/5/2 Rioual François <[email protected]>
> **
>
> Hello,
>
> I have two questions regarding some modifications in engines:
>
> - I would like to modify afterwards the value of the damping
> parameter in the NewtonIntegrator: how can I write it ?
>
> - I would like to substract an engine with PyRunner: how can I
> do it ?
>
> Thank's for your help,
>
>
> Francois
>
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