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破冰船航行状态在海冰作用下的运动响应分析 被引量:7

Study of the Sailing's Moving Responses of An Icebreaker in Ice
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摘要 通过MOSES软件建立了多用途破冰工作船的数值模型;分析破冰船破冰过程的机理,建立起破冰船正向与冰排作用过程中的复合式冰排断裂模式,指出船艏冰排径向裂纹的扩展这一关键影响因子;推衍出作用于破冰船船艏的冰力函数;对破冰船在航行时与海冰作用的过程进行了模拟计算,重点考察了破冰船逆流与顺流航行状态下的运动响应差别,发现随着相对冰速的变化,这种运动响应的差别是规律性变化的. Using the MOSES software and building a multi-purpose icebreaker. Analyzing the mechanics of ice-ship interaction, contriving a composite ice crushing mode where the icebreaker will act with ice into face, the radial cracks are indicated to be an emphasis. A deterministic ice force function is proposed. Simulating the process of icebreaker sailing, the results indicate that the moving responses are different in heading current or adverse current with the variation of relative ice speeds.
出处 《数学的实践与认识》 北大核心 2015年第2期149-160,共12页 Mathematics in Practice and Theory
基金 国家自然科学基金(51179123 51279131) 国家自然科学基金创新研究群体科学基金(51021004)
关键词 破冰船 作用机理 冰载荷 运动响应 icebreaker mechanics of interaction ice force moving responses
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