CFD-BASED INVESTIGATION OF WIND-STROKES OVER HIGHWAY-BRIDGE IN THE-SECTION “POČITELJ – ZVIROVIĆI” (BH)

Abstract

There is almost everlasting debate on possibilities of investigation-tools for their applications in prospective-fashion (while solving the engineering-tasks) and – against this fact – use of these engineering tools, while correcting the existing technology-problems. An unique chance to compare the needs of traffic-intentions (while setting the modern road communications through the southern of Bosnia and Herzegovina) verses the natural occurrences in the atmosphere (such is a strong north wind in this geographic region) offers the high-way-section Pocitelj-Zvirovici. Exactly in such cases (and before the actual construction of this high-way-bridge) “for the sake” of prospective engineering, the tool for CFD (the tool for performing the Computational Fluid Dynamics) was applied to engaged the problem. Both as steady-state explorations while applying the k-epsilon turbulence-treatment, but also as the time-dependent CFD-based mode, we explored the wind-strokes of 10m/s, 20m/s, 30m/s and 40m/s, an unexpected and unwanted strong gaseous flows over the bridge, detecting in this way the traffic-safety edge-points. These results, coming from the explorations performed by the CFD-tool are explained and discussed.