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Publications
Fonseca, N. and Guedes Soares, C. (1998), “Time Domain Analysis of Large Amplitude Responses of Ships in Waves”, Practical Design of Ships and Mobile Units, Oosterveld, M.W.C. and Tan, S.G. (Eds.), Elsevier Science, The Hague, pp. 495-501
The motions and loads induced on ships by waves are studied in the time domain. The method takes into account the most important sources of the nonlinear behaviour associated with the large amplitude motions. The paper describes an experimental programme carried out on a seakeeping towing tank, with a model of the S175 containership. The objective was to obtain a reliable data base of systematic measurements of motions and sectional loads in a wide range of wave lengths and wave heights, extending into the nonlinear range. Comparisons between numerical and experimental results are presented and analysed. The importance of the nonlinear terms is assessed by comparing these responses with the corresponding linear ones.
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