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LES initial condition

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Old   September 2, 2015, 14:14
Default LES initial condition
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Hello everyone!I am a very beginner with star ccm+, and i have to do a LES of a delta wing. I want to use as initial condition the result of a RANS, how can i do? which is the fastest way?
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Old   September 3, 2015, 11:10
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Start off with a steady state RANS analysis and let it converge. Stop the file, change your physics continua to reflect your LES setup and select solution > clear solution and uncheck fields option. Then click OK. You now have a file setup for LES, initialized to your steady RANS results that will begin from iteration 1.
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initial condition, les, rans to les

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