Forces of fully nonlinear interfacial periodic waves on a cylindrical pile in a two-layer fluid with free-surface boundary conditions

作     者：Jiyang Li Zeng Liu Jie Cui Jiyang Li;Zeng Liu;Jie Cui

作者机构：School of Naval Architecture and Ocean EngineeringJiangsu University of Science and TechnologyZhenjiangJiangsu 212000PR China School of Naval Architecture and Ocean EngineeringHuazhong University of Science and TechnologyWuhan 430074PR China Hubei Key Laboratory of Naval Architecture and Ocean Engineering Hydrodynamics(HUST)Wuhan 430074China Hubei Provincial Engineering Research Center of Data Techniques and Supporting Software for ShipsWuhan 430074PR China 

出 版 物：《Journal of Ocean Engineering and Science》 (海洋工程与科学（英文）)

年 卷 期：2023年第8卷第6期

页      面：662-674页

核心收录：

学科分类：07[理学] 0824[工学-船舶与海洋工程] 0701[理学-数学] 070101[理学-基础数学] 

基　　金：the National Natural Science Foundation of China(Approval nos.12202166,12072126) State Key Laboratory of Ocean Engineering(Shanghai Jiao Tong Univer-sity)(Grant no.GKZD010087)in the study design,analysis and interpretation of data,writing of the report,and decision to sub-mit the article for publication the Natural Science Foundation of Jiangsu Province,China(ap-proval nos.BK20201006,BK20220652)in the collection of data 

主　　题：Interfacial periodic waves Wave force Cylindrical pile Homotopy analysis method Morison equation 

摘      要：In the frame of fully nonlinear potential flow theory,series solutions of interfacial periodic gravity waves in a two-layer fluid with free surface are obtained by the homotopy analysis method(HAM),and the related wave forces on a vertical cylinder are *** solution procedure of the HAM for the interfacial wave model with rigid upper surface is further developed to consider the free surface *** forces of nonlinear interfacial periodic waves are estimated by both the classical and modified Mori-son *** is found that the estimated wave forces by the classical Morison equation are more conservative than those by the modified Morison’s formula,and the relative error between the total inertial forces calculated by these two kinds of Morison’s formulae remains over 25%for most cases unless the upper and lower layer depths are both large *** demonstrates that the convective acceleration neglected in the classical Morison equation is rather important for inertial force exerted by not only internal solitary waves but also interfacial periodic *** of these should further deepen our understanding of internal periodic wave forces on a vertical marine riser.