CFD prediction of wave-induced forces on ships running in irregular stern quartering seas

OCEAN ENGINEERING

卷:188

Article

Hashimoto, Hirotada^1,2  Yoneda, Shota²  Omura, Tomoyuki²  Umeda, Naoya³  Matsuda, Akihiko⁴  Stern, Frederick⁵  Tahara, Yusuke⁶ 

[1] Kobe Univ, Kobe Ocean Bottom Explorat Ctr, Kobe, Hyogo, Japan

[2] Kobe Univ, Grad Sch Maritime Sci, Kobe, Hyogo, Japan

[3] Osaka Univ, Grad Sch Engn, Suita, Osaka, Japan

[4] Japan Fisheries Res & Educ Agcy, Natl Res Inst Fisheries Engn, Yokohama, Kanagawa, Japan

[5] Univ Iowa, IIHR Hydrosci & Engn, Iowa City, IA 52242 USA

[6] Natl Inst Maritime Port & Aviat Technol, Natl Maritime Res Inst, Yokohama, Kanagawa, Japan

关键词: Stern quartering seas;    Irregular seas;    Wave-induced force;    Computational fluid dynamics;    Experimental fluid dynamics;    Surf-riding/broaching;   

DOI  :  10.1016/j.oceaneng.2019.106277

来源: Elsevier

【 摘 要 】

Surf-riding/broaching is a dangerous event for high-speed ships running in stern quartering seas. Theoretical methods for the prediction of wave-induced forces on ships in surf-riding and broaching situations are still of the qualitative level. Therefore, an unsteady Reynolds-averaged Navier-Stokes computational fluid dynamics (CFD) solver with overset grids was applied to predict the wave-induced forces on ships in irregular stern quartering seas. To validate the CFD method, a dedicated model experiment was conducted for slender ships, and the wave-induced forces were measured to be for a direct comparison with CFD predictions using the same irregular waves encountered. The comparison results indicate good agreement between the CFD results and the experimental fluid dynamics (EFD) results except for the wave-induced roll moment.

【 授权许可】

Free