A WAVELET-BASED SIMULATION ON GUST RESPONSES

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  • ガスト応答時刻歴のウェーブレットベース・シミュレーション

Abstract

Under approaching winds having non-stationary stochastic processes, the frequency domain analysis on gust responses is not practical and it is impossible to predict the maximum amplitude of the gust responses of structures. In order to overcome this underlying problem, a wavelet-based method to simulate gust responses is suggested. The time-scale characteristics present in wind fluctuations are configured with the system of the discrete wavelets and are reflected to the time histories of the gust responses to be synthesized. The time histories of the gust responses simulated with the proposed method are investigated specifically in respect to the peak factor.

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