Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision

doi:10.1016/j.oceaneng.2016.08.025

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	Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision
	Chen, Aiju; You, Yage; Sheng, Songwei; Lin, Hongjun; Ye, Yin; Huang, Shuo
刊名	OCEAN ENGINEERING
	2016-10-01
卷号	125 页码:285-294
关键词	Wave Energy Converter Non-linear Finite Element Analysis Rotating Collision Collision Mechanics Impact Force
DOI	10.1016/j.oceaneng.2016.08.025
文献子类	Article
英文摘要	The Eagle wave energy converter (WEC) is novel device and has high power generation efficiency demonstrated by the small-scale model in the tank tests. During the sea trials of 10 kW full-scale prototype performed from 2012 to 2014, a design problem occurred that the crashworthy component (namely End Beam) was crashed up by the rotor. In order to investigate the damage mechanism of End Beam and improve the design of the Eagle WEC, an impact analysis was conducted utilizing ANSYS/LS-DYNA. In the simulation, structures were modeled as full-scale parameters and assumed to be elastic plastic. Meanwhile, the bottoms of End Beam were presumed to be standstill. Moreover, the influences of water surrounding the WEC structures were considered using added mass method. Through the simulation, the stress and strain distributions, collision force and the energy absorption of the system were obtained. The results fit well with the actual damage situation. Furthermore, three improvement schemes were proposed including enhancing the structure of End Beam, increasing the upward angle of the rotor and adding energy accumulator. The simulation results demonstrated that the third method can effectively absorb the kinetic energy of the rotor and prevent the WEC from destruction in the rough sea states. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词	OFFSHORE WIND TURBINE ; PROGRESSIVE COLLAPSE ; SHIP COLLISIONS ; IMPACT ; TECHNOLOGY ; DEVICE ; DAMAGE
语种	英语
WOS记录号	WOS:000384860900028
资助机构	Ocean Energy Laboratory in Guangzhou Institute of Energy Conversion ; Chinese Academy of Sciences ; Marine Renewable Energy Special Fund Project(GHME2013ZB01)
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/13963]
专题	中国科学院广州能源研究所
作者单位	Chinese Acad Sci, Guangzhou Inst Energy Convers, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Chen, Aiju,You, Yage,Sheng, Songwei,et al. Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision[J]. OCEAN ENGINEERING,2016,125:285-294.
APA	Chen, Aiju,You, Yage,Sheng, Songwei,Lin, Hongjun,Ye, Yin,&Huang, Shuo.(2016).Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision.OCEAN ENGINEERING,125,285-294.
MLA	Chen, Aiju,et al."Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision".OCEAN ENGINEERING 125(2016):285-294.