yade-users team mailing list archive

[Jan Stránský <question226804@xxxxxxxxxxxxxxxxxxxxx>]

Question #226804 on Yade changed:
https://answers.launchpad.net/yade/+question/226804

Jan Stránský posted a new comment:
yes, utils.sumFacetNormalForces([18]) wiil do what you want for facet
number 18.
Jan


2013/4/16 Eugen Kubowsky <question226804@xxxxxxxxxxxxxxxxxxxxx>

> Question #226804 on Yade changed:
> https://answers.launchpad.net/yade/+question/226804
>
>     Status: Answered => Solved
>
> Eugen Kubowsky confirmed that the question is solved:
> ah ok...
> Thanks! What I wanted was something like this:
>
> Yade []: O.forces.f(18).dot(O.bodies[18].shape.normal)
>  ->  []: 9.23879532511287
>
> Yade []: O.forces.f(19).dot(O.bodies[19].shape.normal)
>  ->  []: 3.8268343236508944
>
>
> I think that yade._utils.sumFacetNormalForces does already implement this.
> So you will receive the scalar projection of force vector of facet (18 or
> 19) onto a normal vector of facet (18 or 19).
>
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