Investigation on Ice Loads for Offshore Wind Turbine in Varying Ice Conditions

Chiung-Shiann Huang, J. W. Lin, W. C. Su

研究成果: Conference contribution同行評審

5 引文 斯高帕斯(Scopus)

摘要

This work modifies the Bayesian probabilistic approach of Sun and Betti (2015) to considerably save computation time on identifying the accurate stiffness and damping matrices of a building via a genetic algorithm by imposing the constrains that are established from the modal parameters identified from earthquake responses of the building via the wavelet transformation along with ARX model. The true damping model and bandwidth of the stiffness matrix of a real building are unknown a priori. This study numerically investigates the effects of using a wrong damping model and incorrect bandwidth of stiffness matrix on determining the stiffness parameters. These numerical studies are carried out for seven-story shear buildings with considering the effects of noise and incomplete measurements. Finally, the proposed procedure is applied to process the acceleration responses of two eight-story steel frames under shaking table tests.

原文English
主出版物標題Proceedings of the 28th International Ocean and Polar Engineering Conference, ISOPE 2018
發行者International Society of Offshore and Polar Engineers
頁面483-491
頁數9
ISBN(列印)9781880653876
出版狀態Published - 6月 2018
事件28th International Ocean and Polar Engineering Conference, ISOPE 2018 - Sapporo, Japan
持續時間: 10 6月 201815 6月 2018

出版系列

名字Proceedings of the International Offshore and Polar Engineering Conference
2018-June
ISSN(列印)1098-6189
ISSN(電子)1555-1792

Conference

Conference28th International Ocean and Polar Engineering Conference, ISOPE 2018
國家/地區Japan
城市Sapporo
期間10/06/1815/06/18

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