楔形船艏撞击舷侧外板的结构响应分析

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (23) : 46-50.

论文

楔形船艏撞击舷侧外板的结构响应分析

孙斌1，胡志强1，王晋1,2

作者信息 +

STRUCTURAL RESPONSE ANALYSIS FOR SHIP SIDE PLATING IN RAKED BOW COLLISION SCENARIO

SUN Bin1, HU Zhiqiang1*, WANG Jin1,2

Author information +

文章历史 +

摘要

楔形船艏是船舶最常见的设计之一，船舶的舷侧结构遭受楔形船艏撞击事故时有发生，因而船侧外板结构的抗撞性能应予以足够重视。以船舶舷侧外板为研究对象，运用塑性力学理论和数值仿真技术，分析了舷侧外板结构在受到楔形船艏的撞击时的变形损伤机理。研究中应用LS_DYNA仿真模拟得到舷侧外板的变形模态和能量耗散情况，在此基础上建立起舷侧外板塑性变形的几何数学模型。运用塑性力学理论得到舷侧外板在变形过程中变形阻力的解析计算公式，并用数值仿真验证其准确性。研究成果对船舶舷侧抗撞性结构设计具有较好的指导意义。

Abstract

As the raked bow is a common design, it is of great importance to accurately analyze the crashworthiness of a ship’s side structure subjected to raked bow collision. The deformation mechanism of ship side plating is analyzed in this paper, which is based on the plastic deformation theory and numerical simulation technology. The deformation mode and energy dissipation of the side plating during the collision process are obtained through numerical simulation and code LS_DYNA, and the deformation model of side plating is established. The analytical expression of the resistance of side plating deformation is derived and verified by the numerical simulations. The results match well, proving that the proposed analytical method can benefit the ship side structure’s crashworthiness during the structural design phase.

导出引用

孙斌1，胡志强1，王晋1,2. 楔形船艏撞击舷侧外板的结构响应分析[J]. 振动与冲击, 2016, 35(23): 46-50

SUN Bin1, HU Zhiqiang1*, WANG Jin1,2. STRUCTURAL RESPONSE ANALYSIS FOR SHIP SIDE PLATING IN RAKED BOW COLLISION SCENARIO[J]. Journal of Vibration and Shock, 2016, 35(23): 46-50

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