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Re: [ESPResSo-users] Raspberry model- periodicity failure

From: Rudolf Weeber
Subject: Re: [ESPResSo-users] Raspberry model- periodicity failure
Date: Thu, 26 Jul 2018 14:31:54 +0200
User-agent: Mutt/1.5.24 (2015-08-30)

On Thu, Jul 26, 2018 at 07:46:44AM -0400, Le Qiao wrote:
> I was running the raspberry model tutorial script, the system is supposed to 
> be periodic, but the output position indicates the colloid exceeds the box. 
> I’m not sure how to fix it, Can anyone help?
At first glance, the tutorial script prints the unfolded position 
(ParticleHandle.pos) rather than the folded one (ParticleHandle.pos_folded).
The unfolded position is useful because one can calculate the total distance, 
the particle has travelled, but the folded position is the one relevant for 
interactions and particle-fluid coupling.

Regards, Rudolf

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