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The accuracy and resource consumption of the four different turbulence modelsbased on the eddy viscosity assumption, namely, $k-\varepsilon$, two $k-\omega$and Spallart-Allmaram models, in modeling airships are investigated. The testairship shape is a conventional shape. Three different angles of attack areconsidered. The results are checked against the wind tunnel experimental data.The resource consumption study is based on the benchmark of 1500 iterations.Based on all data obtained it is evident that Spallart-Allmaras model is themost optimal one in the majority of cases.

A comparison of turbulence models in airship steady-state CFD simulations