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Re: [Question #659949]: how to calculate the unbalanced force

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Jan Stránský <question659949@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 25 Oct 2017 15:04:13 -0000
Reply-to: question659949@xxxxxxxxxxxxxxxxxxxxx
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Question #659949 on Yade changed:
https://answers.launchpad.net/yade/+question/659949

Jan Stránský proposed the following answer:
Hello,

> So I really don't know if the applied force is considered when geting
the unbalanced force from utils.unbalancedForce .

yes, it is considered, because O.forces.f(id) and its C++ equivalent,
which is used to get resultant body force, simply considers it.

> Actually, I tried to calculated the unbalanced force by myself. ... Is
this correct?

utils.unbalancedForce does exactly what you described [1].

cheers
Jan

[1] https://github.com/yade/trunk/blob/master/pkg/dem/Shop_01.cpp#L117

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