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OpenFoam Airfoil simulation - replacing Fluent with OpenFOAM

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Old   November 2, 2015, 05:50
Default OpenFoam Airfoil simulation - replacing Fluent with OpenFOAM
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Dear Foamers;

I am a recent user of OpenFoam and I transferred from Ansys Fluent to OpenFoam.

In fluent to solve either steady state or unsteady transient flow over an airfoil we use the far field boundary condition. As far as I know the free stream boundary condition is equivalent to this boundary condition in OpenFoam.

Furthermore, in fluent when we turn on the Farfield boundary and Ideal Gas condition: Energy equation must be solved.

I was wondering how can we set this up in OpenFoam? Is it necessary? Does it affect the accuracy of the solution?

Best Regards

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Old   November 3, 2015, 03:54
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Hi! In OpenFoam you don't "switch on" the energy equation like in Fluent, but you use a different solver (compressible solver). If you find a list of openFoam solvers you will see, that they are divided into the groups incompressible and compressible with steady-state and time-dependent, respectively. So you must pick the solver you need for your case and if you start it, it will tell you which files / specifications are missing.
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