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潜器水下碰撞动力响应研究

DOI: doi:10.3969/j.issn.1006-7043.2011.12.001

Keywords: 潜器, 碰撞, 动力响应, 参数分析, 有限元分析

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Abstract:

针对潜器碰撞问题的特殊性和复杂性,基于非线性有限元方法,考虑碰撞过程的结构接触与摩擦以及潜器水下碰撞的附加水质量的影响,建立了一种预报潜器水下碰撞动力响应的分析方法.通过算例对潜器结构的碰撞特点、结构损伤和吸能特性进行了研究.在此基础上,对主要碰撞参数对于碰撞动力响应的影响进行了分析.研究结果表明,非线性有限元方法可以精确地对潜器碰撞过程进行分析,撞击参数将导致结构损伤和碰撞响应的不同,在潜器结构设计中应予以考虑.

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