Yade

Questions about (periodic) interactions and penetrationDepth

Asked by Joost

I have two questions about interactions:

1. Is it possible for an interaction i to have i.isReal=True but i.geom.penetrationDepth <= 0?

2. Is there a straightforward method to exclude periodic interactions (i.e. interactions that occur due to periodic boundary conditions) when writing the interaction IDs to a file?

Thank you for the continuous support.

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Jan Stránský
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Best Jan Stránský (honzik) said : 		#1

Hello,

>
> 1. Is it possible for an interaction i to have i.isReal=True but
penetrationDepth <= 0 ?
>

It depends on used material and contact law, for cohesive laws it is
possible

> 2. Is there a straightforward method to exclude periodic interactions
(i.e. interactions that occur due to periodic boundary conditions) when
writing the interaction IDs to a file?

See [1] for similar topic, from yade point of view, all interactions are
the same and you have to exclude them manually

cheers
Jan

[1] https://answers.launchpad.net/yade/+question/255437

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Joost (joosthvanderlinden) said : 		#2

Thank you, this solved my problem.