Abstract
Paper concerns the wind flow around the bridge cable for Reynolds number Re=1,4x105. The purpose of the paper is to describe aerodynamic force coefficients of drag and lift and their frequencies, distribution of velocity of flow near the two-dimensional circle and ellipse cylinders that can model the bridge cables. In the analysed case, the RNG k – ɛ method belonging to the Reynolds-Averaged Navier-Stokes models was used. The numerical simulations are performed for different aspect ratio, as the shape of cross section of bridges’ cable is significant. The ellipse section models the shape with ice on the cable. Especially ice and water drops on cables make the unstable of response that cause the fatigue stresses and faster failure of the cables.
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