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Re: [ESPResSo-users] How to enable lattice Boltzmann hydrodynamics?

From: Florian Fahrenberger
Subject: Re: [ESPResSo-users] How to enable lattice Boltzmann hydrodynamics?
Date: Sun, 01 May 2011 07:20:46 +0200
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv: Gecko/20101207 Thunderbird/3.1.7

Hi Chunda,

> script. But it said: "104 LB requires no Verlet Lists". What does this
> mean? I had disabled the thermostat.

It means that for your simulation to run, you need to have "Verlet
Lists" turned off. Verlet lists are automatically switched on in
ESPResSo, since they are often advantageous for the short-range
interactions. If you want to know more about what Verlet lists are, you
can refer to the user guide or (even better) any book on simulation methods.

Some algorithms, including any Lattice Boltzmann method, need this
feature to be turned off. You can do this by including the line

cellsystem domain_decomposition -no_verlet_list

in your script. The "cellsystem" command is explained in more detail in
the ESPResSo user guide.

Hope that helps.



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