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Comparison between OpenFOAM and FLUENT: capabilities

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Old   November 2, 2018, 15:34
Cool Comparison between OpenFOAM and FLUENT: capabilities
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Lee Strobel
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This might seem like quite a broad question, but in terms of overall capabilities, how does OpenFOAM compare with FLUENT?


In particular:
  • Is it possible to (somehow) do literally everything that FLUENT can do in OpenFOAM?
  • Are there any specific capabilities that FLUENT has, which would be very difficult (or impossible) to do in OpenFOAM?
  • Conversely, are there any areas where OF really excels, which would be difficult to replicate in FLUENT?
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Old   November 5, 2018, 08:40
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Depending on your scope, there is nothing you can do in Fluent which you cannot achieve with OpenFOAM, since OpenFOAM is extensible. Anything you desire you can code or have coded for you.

That being said, of course there are some things which out of the box Fluent does better (as there are some things which out of the box OpenFOAM does better IMO). One of these things are free surface flows with strong surface tension effects - Fluent's interface reconstruction works better.
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Old   November 5, 2018, 14:11
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Ok, thanks for your advice, akidess.
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