Hi,
Feng, I was wondering : what is the situation now regarding the
integration of your work in the current bzr version? I remember you
planned that. If it is operational, we can plan making comparisons with
another FVM-DEM coupling Emanuele Catalano is developping now.
Bruno
Chen, Feng a écrit :
Hi, Christoph Kloss:
I am so glad to see there is another code for DEM-CFD coupling since
this has been my PhD topic, I also coupled YADE with OpenFOAM:
http://fchen3.googlepages.com/discreteelementmethod
I think you and I should be using the same approach originated from
Prof. Tsuji?
I would be very like to discuss some of the details with you, such as:
1. FVM size/particle size
2. The maximum particle number possible on a cluster
3. The parallel mechanism
4. What kind of problem/type of flow you use in your problem?
5. Is it easy to change/create new particle constitution laws for the
solid phase?
6. Effect of different drag equations
etc.
Thank you for sharing your experience with us!!!
Feng Chen
-----Original Message-----
From: [email protected] on behalf of
Christoph Kloss
Sent: Wed 10/7/2009 6:11 AM
To: [email protected]; [email protected]
Subject: [Yade-dev] Open Source DEM with LAMMPS
Dear yade users and developers,
I would like to bring the DEM capabilities of LAMMPS to your attention.
LAMMPS is an open source
molecular dynamics code that also provides possibilities for DEM
simulations
(thanks to algorithmic and physical analogies). LAMMPS is on the open
source
"market" since the mid90s.
It is thus quite mature, very fast and provides excellent documentation.
Please refer to the homepage http://lammps.sandia.gov/ for download and
documentation.
For some simulation examples, please refer to
http://lammps.sandia.gov/movies.html#dem
The final movie ( http://lammps.sandia.gov/movies/gran_openfoam.avi )
shows
a new capability that
my colleague Christoph Goniva and I have developed to perform CFD-DEM
simulations by coupling LAMMPS
to the OpenFoam computational fluid dynamics (CFD) package. This allows us
to run CFD-DEM simulations
on clusters using MPI parallelism.
Some more videos and sample input scripts can be found at
http://fluid.jku.at/hp/index.php?option=com_docman&task=cat_view&gid=168
<http://fluid.jku.at/hp/index.php?option=com_docman&task=cat_view&gid=168>
LAMMPS is written in C++ and very easy to modify. If you are interested in
LAMMPS, you are welcome
to contact me! I would be happy if YADE and LAMMPS could profit from each
other.
Kind regards from Austria,
Christoph Kloss
--------------------------------------------------------------------
Dipl.-Ing. Christoph Kloss
Christian-Doppler Laboratory on Particulate Flow Modelling
Institute of Fluid Mechanics and Heat Transfer
Johannes Kepler University,
Altenbergerstrasse 69, A-4040 Linz/Austria
e-mail: [email protected]
phone: +43-(0)732-2468-6476
fax: +43-(0)732-2468-6462
web: fluid.jku.at
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