Nonlinear analysis of the crashworthy component of an eagle wave energy converter in rotating-collision
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- 作者：Aiju Chen ; Yage You ; Songwei Sheng ; Shengsw@ms.giec.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Hongjun Lin ; Yin Ye ; Shuo Huang
- 关键词：Wave energy converter ; Non-linear finite element analysis ; Rotating collision ; Collision mechanics ; Impact force
- 刊名：Ocean Engineering
- 出版年：2016
- 出版时间：1 October 2016
- 年：2016
- 卷：125
- 期：Complete
- 页码：285-294
- 全文大小：3596 K
文摘
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The structural damage of the floating Eagle wave energy converter (WEC) caused by rotating collision is investigated.
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Relationship between the gravitational potential energy and the crashworthy capacity is studied by finite element method.
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The enhanced structure reduces the crashworthiness for the limited deformation leading to high local stress concentration.
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Adding rotation angle will greatly reduce the rotor’s kinetic energy and improve the crashworthiness in the small velocity.
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By adding an energy accumulator with proper volume, the Eagle WEC can avoid destruction in the rough sea states.