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Re: [Question #702751]: periodic boundary in the direction of the length of a rotating drum (cylinder )

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From: Roxana Saghafian Larijani <question702751@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 17 Aug 2022 08:55:57 -0000
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Question #702751 on Yade changed:
https://answers.launchpad.net/yade/+question/702751

    Status: Answered => Open

Roxana Saghafian Larijani is still having a problem:
Thank you for your response! I managed to display the rotating drum in the same way as the default case by shifting the drum and the particles.
However, I still have a problem. It seems that there are some problems with the contact detection of some particles, and they get out of the drum. Might it be because I am using (
Law2_ScGeom_ViscElCapPhys_Basic()
)  as it is mentioned in the question 429604?

Regards,
Roxana Saghafian


________________________________
From: noreply@xxxxxxxxxxxxx <noreply@xxxxxxxxxxxxx> on behalf of Jan Stránský <question702751@xxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, August 15, 2022 2:25 PM
To: Saghafian Larijani, Roxana (UT-ET) <r.saghafianlarijani@xxxxxxxxxx>
Subject: Re: [Question #702751]: periodic boundary in the direction of the length of a rotating drum (cylinder )

Your question #702751 on Yade changed:
https://answers.launchpad.net/yade/+question/702751

    Status: Open => Answered

Jan Stránský proposed the following answer:
It depends on definition.
In Yade, if you enable periodicity, it is applied in 3 direction, no matter what.
But enlarging the periodic cell dimensions, you can "disable" some directions, making the simulation being practically periodic only in some direction(s).
Still, the **visualization** is done such that all particles are displayed inside the cell. But the periodicity itself (i.e. periodic contact detection between particles and periodic images of other particles) is not effectively present in "disabled" directions.

Cheers
Jan

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