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Numerické řešení proudění kolem vibrujícího leteckého profilu
Honzátko, R. ; Horáček, Jaromír ; Kozel, K.
The work deals with numerical solution of 2D inviscid and viscous incompressible flow over the airfoil NACA 0012 in a channel. The finite volume method with cell-centered schemes at quadrilateral C-mesh is used. Governing equations are the Euler equations in the case of inviscid flow and Navier-Stokes equations in the case of viscous flow. The small disturbance theory applied to a numerical solution of unsteady flow is mentioned and the brief introduction is also given to the ALE method.
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Numerické řešení proudění zakřiveným difuzorem
Louda, Petr ; Kozel, K. ; Příhoda, Jaromír
Numerical solution of turbulent flow through a curved diffuser is based on the artificial compressibility method. A cell centered finite volume method is used for spatial discretization. The time discretization uses the backward Euler implicit scheme with turbulence model equations solved decoupled from RANS equations. Results obtained by two different turbulence models - two-equation SST model and EARSM model - are compared and discussed.
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