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Slamming and Green Water Loads on Bow-Flare Ship in Regular Head Waves Investigated by Hydroelasticity Theory and Experiment

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摘要 With the development of ships towards large scale, high speed and light weight, ship hydroelastic responses and slamming strength issues are becoming increasingly important. In this paper, a time-domain nonlinear hydroelasticity theory is developed to predict ship motion and load responses in harsh regular waves.Hydrostatic restoring force, wave excitation force and radiation force are calculated on the instantaneously wetted body surface to consider the nonlinear effects caused by large amplitude motions of ship in steep waves. A twodimensional(2 D) generalized Wagner model and a one-dimensional(1 D) dam-breaking model are used to estimate the impact loads caused by bow flare slamming and green water on deck, respectively;the impact loads are coupled with the hydroelastic equation in time-domain. Moreover, segmented model tests are carried out in a towing tank to investigate the wave and slamming loads acting on the hull sailing in harsh regular head waves and also validate the numerical results.
作者 焦甲龙 赵玉麟 陈超核 李晓晨 JIAO Jialong;ZHAO Yulin;CHEN Chaohe;LI Xiaochen(不详)
出处 《上海交通大学学报:英文版》 EI 2019年第5期559-570,共12页 Journal of Shanghai Jiaotong university(Science)
基金 the Foundation for Distinguished Young Talents in Higher Education of Guangdong Province(No.2017KQNCX004) the Natural Science Foundation of Guangdong Province(No.2018A030310378).
作者简介 李晓晨,E-mail:xiaochenli@scut.edu.cn
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