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Re: [ESPResSo-users] Simulation of fluid using LB-method

From: Ulf Schiller
Subject: Re: [ESPResSo-users] Simulation of fluid using LB-method
Date: Thu, 30 Jan 2014 15:15:43 +0100
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On 01/30/2014 03:12 PM, Ulf Schiller wrote:
On 01/30/2014 03:03 PM, Wink, Markus wrote:
Hello everybody,

I tried to think about of the real position of the wall:
"The (0, 0, 0) node of the LB lattice in Espresso is placed at
(agrid/2, agrid/2, agrid/2)."
In my case, I chose a_grid =1, so I put the walls at 1.5 and 51.5 in
the simulation box. Thus the length of the simulation box is 53 in my
case, gibing a channel width of 50.

In that case the actual locations are 2.0 and 51.0, if I'm not mistaken
(Georg?). Then the width is 49.0 which would bring your v_max*50/49
close to the theoretical value.

I dropped a ^2 in my coffee ;-)

Dr. Ulf D. Schiller                        Building 04.16, Room 3006
Institute of Complex Systems (ICS-2)       Phone:   +49 2461 61-6144
Forschungszentrum Jülich, Germany          Fax:     +49 2461 61-3180

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