NUMERICAL MODELLING OF WIND LOADS. VERIFICATION AND VALIDATION FOR THE KEMEROVO MUSEUM, THEATRE AND EDUCATION COMPLEX
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This paper presents the results of numerical modelling of mean and peak pressure coefficients for a unique facility, conducted within the verification procedure of Ansys Fluent in the RAASN system. The applicability of the steady-state (RANS) simulations and three turbulence models (SST k-ω, EARSM, GEKO k-ω) is verified for the wind loads determination. The results are compared against experimental data obtained in the MSUCE wind tunnel. The weak applicability of often recommended methods of grid extrapolation (Richardson extrapolation and approximate error spline) is revealed. It is shown that the GEKO k-ω turbulence model with the separation parameter CSEP = 1.25 provides a better fit to the wind tunnel data than SST k-ω and EARSM.
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