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What CFD Program should I use?

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Old   June 12, 2013, 22:14
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John Brown
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Hello!
I am new to CFD and I need to model a slack moored heaving buoy with realistic waves in deep ocean. Basically all I need is a program that models something buoyant on the ocean that I can arbitrarily apply external forces to it. Could anyone be able to help me find a CFD program I could simulate this in? In my search I found that Star CCM+ could do it, but looking around on the web the costs seem forbiddingly expensive. This is for my masters and I dont have much to spend, and I really dont need all of the hundreds of other features that come with it. What other alternatives are there out there?

Thank you so much in advance.
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Old   June 13, 2013, 04:46
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Hi, I think Ansys Aqwa is meant for mooring calculations, wave modelling and offshore stuff in general. Maybe you can contact your local Ansys supplier for detailed information.

Cheers,
Michujo.

EDIT: Ansys licenses are expensive though...
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Old   June 13, 2013, 05:05
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Mihael Plut
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Hello,
my name is Mihael and will be visiting this forum more often as I am writing my bacc. thessis. I have data sets in txt containing time series and mean values of wind velocitity in a wind tunnel. I would like to plot the results (contour plots for example). Can you suggest me the programs that would be good for such an application. Thank you.
Mihael
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Old   June 13, 2013, 19:39
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Theodore Kontzias
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Hi,
Mihael,I think that you can do what you want with only gnuplot, but if you have the time check ParaView. It is a powerful program to look on cfd results or so.
For the late one you will maybe need to change the input file that you have, in a different format like, " .csv " maybe.

frownless, it is maybe a silly suggestion of mine but I think that you should contact CD-adapco, i.e. StarCCM+. Maybe they are able to give you a license for only a small amount of time, reducing this way the cost. You never know.

Thanks,
rick
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Old   June 14, 2013, 10:43
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L.Bryce Whitson Jr.
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You make look into using OpenFOAM for this. There is a bit of a steep learning curve at the beginning, but it is a very powerful program. Best of all, it is free to use.
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Old   June 17, 2013, 03:09
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John Brown
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Thanks guys, I will check out this OpenFOAM, sounds like a good idea!

Mihael, you should be able to do that with literally any plotting tool or code. If you have access to Mathematica I would recommend it because what it lacks in efficiency it makes up for in slick looking plots. Otherwise matlab or python can do a pretty good contour.
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