Practical approach to investigate the statistics of nonlinear pressure on a high-speed ship by using the Volterra model
作者： Wen-Chuan Tiao
DOI: 10.1016/J.OCEANENG.2010.02.019
关键词: Engineering 、 Frequency response 、 Optics 、 Electromagnetic spectrum 、 Significant wave height 、 Nonlinear system 、 Harmonics 、 Waterline 、 Mathematical analysis 、 Hull 、 Sea state
摘要: Abstract The present method takes the results of verified theory for regular waves and bridges a high-order numerical model to construct time histories ship responses in irregular waves. is based on strip method, with nonlinearities force components calculated over hull's instantaneous wetted surface, adopts nonlinear third-order Volterra model. advantage this systematically leading contributions harmonics excited into response predictions This study focuses behavior pressure hull surface high-speed vessel sea state five. A series experiments was carried out involving both head ISSC 1979 wave spectrum followed, significant height (H1/3) 3.2 m an average zero up-crossing period ( T H 1 / 3 ) 8.0 s. It confirmed that even strong nonlinearities, such as near waterline or keel bow zone, more realistic than usual linear practice.
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