Quantitative relative comparison of CFD simulation uncertainties for a transonic diffuser problem
نویسندگان
چکیده
منابع مشابه
Quantitative Relative Comparison of Cfd Simulation Uncertainties for a Transonic Diffuser Problem
Different sources of uncertainty in CFD simulations are illustrated by a detailed study of two-dimensional, turbulent, transonic flow in a converging-diverging channel. Runs were performed with the commercial CFD code GASP using different turbulence models, grid levels, and flux-limiters to see the effect of each on the CFD simulation uncertainties. Two flow conditions were studied by changing ...
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Viscous Computation of Steady/Unsteady Transonic Diffuser Flows
The lag model proposed by Olsen and Coakley (2001) is applied to simulate the steady and unsteady transonic flows in a diffuser. The unsteady flows are induced by imposing fluctuating back-pressures. A fully implicit time–accurate multigrid algorithm is used for solving the Navier-Stokes equations and the coupled k-ω turbulence model equations. Two test cases are investigated, one with a weak s...
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ژورنال
عنوان ژورنال: Computers & Fluids
سال: 2006
ISSN: 0045-7930
DOI: 10.1016/j.compfluid.2005.04.006