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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 15:12:15 +0100
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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.

Best,
Ulf

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

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