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Message #29297
Re: [Question #706187]: Servo controller torque and force engine
Question #706187 on Yade changed:
https://answers.launchpad.net/yade/+question/706187
Status: Open => Answered
Jan Stránský proposed the following answer:
> What could be the reason?
No idea without a MWE [1]
> Is there an approach to accurately calculate the moment of inertia for
a clump of facets regarding that facets do not have volume.
something like sum(m_i * r_i^2), depending on your needs (blocked rotation along x and z or not, ...), see [2].
zero volume is not important, partial masses m_i and center of masses r_i matter. Should not be difficult for triangular facets.
Cheers
Jan
[1] https://www.yade-dem.org/wiki/Howtoask
[2] https://en.wikipedia.org/wiki/Moment_of_inertia
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