Numerical analysis method of ship-ice collision-induced vibration of the polar transport vessel based on the full coupling of ship-ice-water-air

被引:6
|
作者
Shi, Yuan-He [1 ,2 ,3 ]
Yang, De-Qing [1 ,2 ,3 ]
Wu, Wen-Wei [4 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explora, Shanghai 200240, Peoples R China
[3] SJTU Yazhou Bay Inst Deepsea Sci & Technol, Sanya 572024, Peoples R China
[4] China Ship Sci Res Ctr, Natl Key Lab Ship Vibrat & Noise, Wuxi 214082, Peoples R China
关键词
Ship-ice collision; Ice-induced vibration; Ship-ice-water-air coupling; Fluid-structure interaction; S -ALE algorithm; Gradient meshing model; RESISTANCE; SIMULATION;
D O I
10.1016/j.joes.2023.04.002
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
As the Arctic Channel continues to be developed, collisions between polar navigation vessels and sea ice are inevitable, which will directly affect structural safety and vibration comfort. However, the numerical analysis method of ship-ice collision-induced vibration is not perfect, and the effect of fluid coupling is not typically considered. In this paper, a simplified numerical analysis method for ship-ice collision-induced vibration is proposed, in which a reliable ice load is obtained by first performing ship- ice-water-air coupled collision calculations, followed by ship-ice-water coupled vibration calculations to obtain the vibration response of the structure. In addition, this paper investigates the full coupling method and the modeling ranges and meshing sizes involved in the analysis ship-ice collision-induced vibration, and the computational efficiencies of the traditional ALE algorithm and S-ALE algorithm are compared. The results indicate that the simplified simulation analysis method and gradient meshing model improve the calculation accuracy and efficiency in ship-ice collision and vibration response analysis. Moreover, the modeling range of the water and air models cannot be less than 6 times the ship width, 2 times the ship length, and 1 times the ship depth, and the S-ALE algorithm saves 47.86% time compared to the ALE algorithm. The research results in this paper can provide a reference for the numerical simulation of ship-ice collision-induced vibration.(c) 2023 Shanghai Jiaotong University. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
引用
收藏
页码:323 / 335
页数:13
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