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Re: [lammps-users] I fix the sph-multiphase + some extra question
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Re: [lammps-users] I fix the sph-multiphase + some extra question


From: Axel Kohlmeyer <akohlmey@...24...>
Date: Thu, 6 Jul 2017 14:28:08 -0400

On Thu, Jul 6, 2017 at 12:32 PM, Quang Ha <quang.t.ha.20@...24...> wrote:
> Hi all,
>
> During my google-fu weeks of desperation, I came across a multiphase
> implementation for LAMMPS/USER-SPH (yay!). Yet I didn't realise it was about
> 3 years old (nay...) so I spent about 3 days trying to fix it (due to mainly
> my inexperience... looking back what I have done should only be 30 minutes
> max... I paid a huge stupidity tax here).
>
> I have the code compiling and working here at
> https://github.com/quang-ha/lammps which was inherited mainly from
> https://github.com/slitvinov/lammps-sph-multiphase. While yes it works for
> me, I know that it would be great if I can contribute to the documentation
> of USER-SPH to help other users as well. This brings me to two questions:
>
> 1) Say if I want to merge my fork to the main git, should I fix up
> something? There should be a lot of code-style/file structures that you guys
> want to stick to.

before even going there, i would suggest you contact the author of the
USER-SPH package. he is the primary maintainer of that package and
should approve of the changes you want to include. his name and e-mail
should be in a README file in the USER-SPH folder.

axel.



> 2) Does anyone have some form of documentation for the examples in the
> multiphase code? Running the LAMMPS code give me some form of bubble
> nucleation and bubble formation on wall. While the gif and video is really
> cool (BOO YA!!!) I struggle to understand the equation behind the scene (boo
> nah...). Any seasoned USER-SPH could kindly provide me toward some good
> direction? Even something as trivial as "How you go from SPH formulation to
> LAMMPS code"? (yes this question is something for me to figure out I believe
> so, but I have been getting to the depressing zone and some enlightenment
> would save this poor soul from committing sudoku.)
>
> Many thanks,
> QT
>
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-- 
Dr. Axel Kohlmeyer  akohlmey@...24...  http://goo.gl/1wk0
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.