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Re: [ESPResSo-users] lbboundary

From: Axel Arnold
Subject: Re: [ESPResSo-users] lbboundary
Date: Tue, 22 Jul 2014 15:25:42 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 22.07.14 14:58, roya moghaddasi wrote:
Hello dear everybody,
I have a cylinder in my script like this:
constraint cylinder center $c $c $c axis 0 0 1 radius $r length $box_length direction -1 type 4 penetrable 0
All of my particles are within this cylinder,
I want to have hydrodynamics, LB, in my system, so I've added the following to my script:

thermostat off
thermostat lb 1.0
lbfluid dens 0.864  visc 3.0  agrid 1.0  tau 0.01
lbfluid friction 20.0
integrate 100000

Should I use lbboundary in my script or not?

If you also want the fluid to stay within the cylinder,  you need a lbboundary with the same parameters (except for the last two parameter that determine the interactions).


JP Dr. Axel Arnold
ICP, Universität Stuttgart
Allmandring 3
70569 Stuttgart, Germany
Email: address@hidden
Tel: +49 711 685 67609

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