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Old   October 10, 2001, 05:11
Default --Looking for free jet code--
  #1
Haifeng Wang
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Hi, I want a free jet code like GENMIX. I have a successful code to calculate methane turbulent jet diffusion flame, but it is developed on the base of GENMIX which is too old, I think, so I want to know who or how I can get a similar source code to calculate axisymmetric gas jet flow using k-epcilon turbulent model with or without chemical reactions. provide me any information you know and give me a hand. Any help will be appreciated.

thanks.

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Old   October 10, 2001, 12:30
Default Re: --Looking for free jet code--
  #2
Danny Tan
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Without chemical reaction: try NPARC, Check this one:

http://www.grc.nasa.gov/www/wind/val.../axinoz01.html

Note:

K-e turbulence model will not be able to give you a good solution (round jet/plane jet anomaly). An explicit compressibility correction terms are needed to get a good approximation to the turbulent jet flow.

Regards

Danny

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Old   October 11, 2001, 12:15
Default Re: --Looking for free jet code--
  #3
Li Yang
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Dear Danny,

I would be interested if there is a free source code.

I am quite interested in the Spalart-Allmaras model and I think it will certainly save my time to implement the model if I can have an another code for reference, although the numerical results using SA model shown in that website did not match the experimental data very well.

Best wishes

Li Yang
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Old   October 11, 2001, 13:28
Default Re: --Looking for free jet code--
  #4
Danny Tan
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To Li Yang:

I think if you are US citizen or use NPARC/WIND in US, you can get it for free. Several one and two equation turbulence models are available for use with NPARC code

Check Prof. Laney page: http://capella.colorado.edu/~laney/softaero.htm

I myself use open source code developed by Los Alamos US Department of Energy (CFDLIB). http://capella.colorado.edu/~laney/softgen.htm It is NOT user friendly code but it is well written code and it gives you a lot of flexibility to control your calculation.

Regards

Danny Tan
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Old   October 12, 2001, 04:53
Default Re: --Looking for free jet code--
  #5
Li Yang
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Dear Danny,

Thank you very much for the information you provided but I am afraid I am not a US citizen so I won't be able to get them for free.

The code CFDLIB you are using sounds very interesting to me. I would like to know if CFDLIB is of parallel processing function (using MPI ?). I guess it is a non-staggered grid code and I wonder if it is suitable for LES.

Your reply would be very much appreciated.

Best wishes

Li Yang
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Old   October 12, 2001, 10:08
Default Re: --Looking for free jet code--
  #6
Danny Tan
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Li Yang:

Yes, you can use CFDLIB in parallel processor.

About Large Eddy Simulation, you better ask Dr. Kashiwa who is currently conducting research in turbulence modeling for CFDLIB. http://gnarly.lanl.gov/Cfdlib/Cfdlib.html

Regards

Danny Tan

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Old   October 12, 2001, 14:15
Default Re: --Looking for free jet code--
  #7
Li Yang
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Thank you very much, Danny.

Regards

Li Yang
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