POD/ARMA reconstruction of the surface pressure field around a low rise structure

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Abstract

Proper orthogonal decomposition (POD) has been used in the wind-engineering field to describe fluctuating surface pressure fields around structures. This paper presents the results of such an analysis on fluctuating pressure coefficients on the Silsoe structures building. The dominance of modes calculated from POD is investigated at each measurement point. Although higher (less energetic) modes may not have a significant contribution to the overall accuracy of reconstituted time series, exclusion of these modes lead to significant inaccuracy at the leeward wall pressure tapping. The autoregressive moving average (ARMA) method is used to model the modal time functions, and together with POD, enables major compression of the original data to be achieved. © 2002 Elsevier Science Ltd. All rights reserved.

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Kho, S., Baker, C., & Hoxey, R. (2002). POD/ARMA reconstruction of the surface pressure field around a low rise structure. Journal of Wind Engineering and Industrial Aerodynamics, 90(12–15), 1831–1842. https://doi.org/10.1016/S0167-6105(02)00291-X

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