強風下での平板状物体の飛散特性に及ぼす質量分布の影響

概要

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Since wind-borne debris causes damage in strong winds, it is important to understand flying conditions of debris. In this paper, flying conditions of rectangular flat plates with uniform mass distributions and non-uniform mass distributions was investigated in a uniform flow based on wind tunnel experiments. And flying conditions of plates using a numerical simulation were compared with experimental results. Experimental flying conditions of flat plate with uniform mass distribution coincided with past test results by Tachikawa. Flying trajectories and motions of flat plates with non-uniform mass distribution differs due to an installation angle of plate. Flying conditions of flat plates using our numerical simulation corresponded to experiments in this paper. It seems that our computational method is validated in flying simulation of flat plates.
2013-01-15