Abstract
This paper based on Reynolds-averaged Navier-Stokes equations standard model [1]; the surface pressure on the wind field around two adjacent high-rise buildings was numerically simulated with software Fluent. The results show that with the influence of adjacent high-rise building, numerical simulation is a good way to study the wind field around high-rise building and the distribution of wind pressure on building’ surface. The pressures on the windward surface are positive with the maximum at 2/3 H height and have lower values on the top and bottom. The pressures on the leeward surface and two sides were negative. Due to the serious flow separation at the corner of building’s windward, the wind field has a high turbulent kinetic energy.
Highlights
Studies on a square or a rectangular cross-section building affected by wind have been made by many researchers owing to its importance
Shuyong Tang and Shuifu Chen [5] suggested that building’s wind pressure and surrounding wind field will be affected by the adjacent building
When it comes to high-rise building, the influence will be even more serious if there is another high-rise building beside it
Summary
Studies on a square or a rectangular cross-section building affected by wind have been made by many researchers owing to its importance. Shuyong Tang and Shuifu Chen [5] suggested that building’s wind pressure and surrounding wind field will be affected by the adjacent building. When it comes to high-rise building, the influence will be even more serious if there is another high-rise building beside it. Nowadays having studied of wind field characteristic on high-rise building we can use both wind tunnel test and numerical simulation. Comparing with the wind tunnel test, numerical simulation has the characteristics of low cost, short cycle and high efficiency. It can be conveniently by changing various parameters to simulate the flow field characteristics of various kinds of ideal and real conditions.
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