[ESPResSo-devel] [bug #43733] Artifcats in particle-fluid coupling at periodic boundaries

[Ulf Schiller]

URL:
  <http://savannah.nongnu.org/bugs/?43733>

                 Summary: Artifcats in particle-fluid coupling at periodic
boundaries
                 Project: ESPResSo
            Submitted by: uschiller
            Submitted on: Mon 01 Dec 2014 14:24:41 GMT
                Category: Simulation core
                Severity: 3 - Normal
                  Status: None
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: None
           Fixed Release: None

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Details:

On 24/11/14 18:12, Wink, Markus wrote:
> I performed a simple simulation of a particle in a LB fluid. While
> checking the trajectory of the particle, I noticed a strange behavior.
> So I put the particle close to the wall and I see a movement towards the
> middle of the channel. This is expected due to the lift force.
> Nevertheless, I notice a break-in of the z-component, whenever the
> particle reaches the end of the microchannel (at position 100). So every
> time the periodic boundary condition takes place for the particle, I
> notice that behavior. Does anyone of you noticed the same behavior and
> can explain it to me? It seems, that the periodic boundary condition in
> the LB Fluid doesn’t work. If I remove the fluid I don’t see that.



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File Attachments:


-------------------------------------------------------
Date: Mon 01 Dec 2014 14:24:41 GMT  Name: periodic_LB.tcl  Size: 1kB   By:
uschiller

<http://savannah.nongnu.org/bugs/download.php?file_id=32578>
-------------------------------------------------------
Date: Mon 01 Dec 2014 14:24:41 GMT  Name: boundaries.tcl  Size: 9kB   By:
uschiller

<http://savannah.nongnu.org/bugs/download.php?file_id=32579>

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