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Re: [Question #652261]: at the beginning steps, the stresses are the same when i use different young of balls

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Jan Stránský <question652261@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 15 Oct 2017 19:48:53 -0000
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Question #652261 on Yade changed:
https://answers.launchpad.net/yade/+question/652261

    Status: Open => Answered

Jan Stránský proposed the following answer:
> is there any parameters related to tanFrictionAngle i forgot to write?
what is "everything necessary" you said in this situation?

it depends on what you want to achieve. E.g. modifying stiffness and leaving epsCrackOnset would lead to different strength etc. The same with tanFrictAngle. It is pretty much independent, but its value simply influence the shear behavior of bonds and consequently overall behavior of the sample..
But if everything you need is to modify IPhys to the state it would be created using given Material class parameters, following source code would be sufficient (like you did with E and kn).
cheers
Jan

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