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Old   April 11, 2013, 16:58
Default OpenFOAM vs Fluent
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OpenFOAM or Fluent, which one is better in the categories below?

1- Ship hydrodynamics and sea keeping
2- Thermal analysis and heat transfer problems
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Old   April 12, 2013, 03:22
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Define "better".
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Old   April 12, 2013, 09:03
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By "better" I mean accuracy of the solution when the simulation results are compared with the corresponding experimental data.
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Old   April 22, 2013, 08:39
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Hi,
you can find presentation like
http://sourceforge.net/projects/open...s.pdf/download Taming OpenFOAM for Ship Hydrodynamics Applications by Sung-Eun Kim

OF is capable if you are an cfd-expert, consulting companies like "engys, icon,..." try to give a helping hand by best practice start settings in their GUI based preprocessing tools. S.th that Fluent also does.
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Old   April 22, 2013, 10:18
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the accuracy is more user dependent than software dependant.

unless there are major errors or quirks (and there aren't, afaik), both softwares will provide accurate results if the case is set up well and the mesh is good enough
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Old   April 23, 2013, 09:41
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I am also using OpenFOAM for some seakeeping simulations and the accuracy I get from the software is very good. But, I also want to do some thermal simulations and I have heard that OpenFOAM is not very good at that. And I was just wondering if I should use Fluent for thermal and OpenFOAM for seakeeping or OpenFOAM for both.

Thank you very much for your answers,
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Old   April 23, 2013, 10:31
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from my experience, Fluent is much easier for heat transfer ! I love openfoam but it is a pain when we talk about heat
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Old   April 30, 2013, 07:57
Default 2d naca airfoil analysis-mesh conversation
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Hai friends,
I am trying to do 2d naca 0012 Airfoil analysis in openfoam.For that I did meshing in gambit.

My mesh file name is :naca 0012.msh

Then i am trying to convert fluent mesh to openfoam mesh. For that I got error in terminal window like

mrk@ubuntu:~/OF/openfoam220/tutorials/incompressible/simpleFoam/vk/airFoil2D$ fluentMeshToFoam naca 0012.msh

fluentMeshToFoam: command not found

Plase let me know polymesh ie folder inside constant & Please help me how to convert
mesh
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Old   May 1, 2013, 04:52
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Quote:
Originally Posted by mrk View Post
Hai friends,
I am trying to do 2d naca 0012 Airfoil analysis in openfoam.For that I did meshing in gambit.

My mesh file name is :naca 0012.msh

Then i am trying to convert fluent mesh to openfoam mesh. For that I got error in terminal window like

mrk@ubuntu:~/OF/openfoam220/tutorials/incompressible/simpleFoam/vk/airFoil2D$ fluentMeshToFoam naca 0012.msh

fluentMeshToFoam: command not found

Plase let me know polymesh ie folder inside constant & Please help me how to convert
mesh

Check this link:
fluentMeshToFoam give an error, please help me!
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Old   July 12, 2013, 06:36
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make sure there is no space between NACA0012
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