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Re: [ESPResSo-devel] Peculiar velocity of particles in LB
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From: |
Ulf Schiller |
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Subject: |
Re: [ESPResSo-devel] Peculiar velocity of particles in LB |
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Date: |
Mon, 15 Dec 2014 21:32:09 +0000 |
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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.
Cheers,
Ulf
--
Ulf D. Schiller
Centre for Computational Science
University College London
20 Gordon Street
London WC1H 0AJ
United Kingdom