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[Jan Stránský <question694017@xxxxxxxxxxxxxxxxxxxxx>]

Question #694017 on Yade changed:
https://answers.launchpad.net/yade/+question/694017

    Status: Open => Needs information

Jan Stránský requested more information:
Hello,

> I am interested on the extraction of the normal contact forces

What is "the extraction"? printing, saving, ...?
What is "the normal contact forces"? individual force vectors? magnitudes? sum of the vectors? sum of magnitudes? ... ?

> I use i.phys.normalForce.dot(i.geom.normal)

what is "i"?

> the length of the simulation is 4098

"length" is number of time steps?

> by extracting the normal forces

what is "extracting"?
what is "the normal forces"? vectors? magnitudes? ... ?

> I expected to have a force vector of the same length as the number of
simulation

what is "the number of simulation"?
what is "a force vector"? I would expect "a force vector" to be a "standard Euclidean vector"..

> I would like to know why I don't get the length of the vector equal to the length of the simulation?
> How can i do to have the length of the vector normal force, with the same length of the total number of iteration?

What is "the vector"?
What is "the length of the vector"?
What is "the length of the simulation" and why would it equal to "the length of the vector"?
What is "the vector normal force"?

>From the question, we can hardly even guess, please read [1] and provide
more information.

> Can someone help me?

Yes, but first please help us. E.g. by providing a MWE [1], which would
(should) have answered most of the "what is ..." questions..

cheers
Jan

[1] https://www.yade-dem.org/wiki/Howtoask

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