Question #698605 on Yade changed:
https://answers.launchpad.net/yade/+question/698605
Status: Answered => Open
Zhicheng Gao is still having a problem:
>how do you define "almost the same"?
The difference is not more than 0.5 times the average value, but it can be seen
from the figure that the maximum value is three times the average value
>since the other semicircle is symmetric, is it worth to change a
"standard" function? what are the results of the original
utils.plotDirections? same? better? worse?
The result of the original utils.plotDirections of course is the same
>I do not have access, can you provide the formula / method description?
Despite the apparent randomness in variation of contact forces, regular trends
emerge when normal and tangential components of interparticle forces are
averaged over groups of contacts with similar orientations.
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