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[Bruno Chareyre <question253425@xxxxxxxxxxxxxxxxxxxxx>]

Question #253425 on Yade changed:
https://answers.launchpad.net/yade/+question/253425

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Hi,
1- is the least accurate since it needs to assume a constant n along z
2- is good. Consider computing the convolution of particle stress with a
weight function, it is better than dividing into finite layers.
3- I'm not sure what you mean. "Each f(z)" should be the contact forces,
not the body forces (they are all zero at equilibrium). Computing stress
from contact forces through a cross section is possible but you need to
show your equations here, as many mistakes are possible.

Overall, if any of this method is far Gama* Z, you are probably doing a
mistake somewhere.

Bruno

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