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-   -   OpenFOAM vs Fluent (http://www.cfd-online.com/Forums/openfoam/116048-openfoam-vs-fluent.html)

kilroy April 11, 2013 16:58

OpenFOAM vs Fluent
 
OpenFOAM or Fluent, which one is better in the categories below?

1- Ship hydrodynamics and sea keeping
2- Thermal analysis and heat transfer problems

akidess April 12, 2013 03:22

Define "better".

kilroy April 12, 2013 09:03

By "better" I mean accuracy of the solution when the simulation results are compared with the corresponding experimental data.

elvis April 22, 2013 08:39

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.

sail April 22, 2013 10:18

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

kilroy April 23, 2013 09:41

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,

fredo490 April 23, 2013 10:31

from my experience, Fluent is much easier for heat transfer ! I love openfoam but it is a pain when we talk about heat :(

mrk April 30, 2013 07:57

2d naca airfoil analysis-mesh conversation
 
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

Tushar@cfd May 1, 2013 04:52

Quote:

Originally Posted by mrk (Post 424152)
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:
http://www.cfd-online.com/Forums/ope...e-help-me.html
:)

biau July 12, 2013 06:36

make sure there is no space between NACA0012


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