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Re: [Question #700889]: Output collsions particles-walls and particle-particle per cycle

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From: Jan Stránský <question700889@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 11 Mar 2022 09:30:53 -0000
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Question #700889 on Yade changed:
https://answers.launchpad.net/yade/+question/700889

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

number of interactions/contacts of one specific body (e.g. a wall) you can do
len(body.intrs()) # [1]

For more "overall" interaction statistics, you can loop over interactions [2].
E.g. to get total number of sphere-sphere (meaning of particle-particle?) interactoins:
### maybe better to put the code in a function
nSphSph = 0
for i in O.interactions:
    shape1 = O.bodies[i.id1].shape
    shape2 = O.bodies[i.id2].shape
    if type(shape1) is Sphere and type(shape2) is Sphere:
        nSphSph += 1
###

Cheers
Jan

[1] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Body.intrs
[2] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Omega.interactions

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