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Re: [ESPResSo-devel] Peculiar velocity of particles in LB

From: Ulf Schiller
Subject: Re: [ESPResSo-devel] Peculiar velocity of particles in LB
Date: Mon, 15 Dec 2014 21:32:09 +0000
User-agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

On 12/15/2014 03:32 PM, Marcello Sega wrote:
> Dear all,
> I was checking the velocity of particles with respect to the LB fluid
> (aka peculiar velocity) under shear, and found out that the kinetic
> energy obtained from the peculiar velocity is roughly 20% higher than
> what one would expect from [thermostat lb]. The temperature of the
> fluid, on the contrary, is fine.
> Did anybody check this before?

Hi Marcello,

I am not sure what one would expect in a non-equilibrium situation. You
may need to define an effective temperature - check Udo Seifert's
publications on this.


Ulf D. Schiller
Centre for Computational Science
University College London
20 Gordon Street
London WC1H 0AJ
United Kingdom

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