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DNS/LES hybrid for turbulent channel flow?

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Old   November 20, 2024, 18:25
Lightbulb DNS/LES hybrid for turbulent channel flow?
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The idea: Run a channel flow with DNS a few time steps, then interpolate the results into a LES a few larger time steps and with a rougher mesh, then back into DNS, and back and forth like that. Thinking about using pimplefoam or pisofoam.

Goal: See if it can reduce the computational cost without affecting accuracy to much.

Why: Sounds fun to try. Dont hate.

Does anyone know if someone have attempted it before or even if it can be done?
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channel flow, combination, computational effort, dns, les


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