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重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2010, Vol. 29 ›› Issue (5): 681-684.

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桥梁船撞动力有限元数值模拟分析

吴永固1, 耿波2, 汪宏2   

  1. 1.重庆交通大学土木建筑学院, 重庆 400074; 2.招商局重庆交通科研设计院有限责任公司, 重庆 400067
  • 收稿日期:2010-06-24 修回日期:2015-01-22 出版日期:2010-10-15 发布日期:2015-01-22
  • 作者简介:吴永固(1986—),男,四川成都人,硕士研究生,从事桥梁结构分析研究。E-mail:wuyonggu@126.com。

Dynamic Finite Element Numerical Simulation of Vessel-Bridge Collision

WU Yong-gu1, GENG Bo2, WANG Hong2   

  1. 1.School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400074, China; 2.Chongqing Communications Research& Design Institute Co.Ltd, China Merchants Bureau, Chongqing 400067, China
  • Received:2010-06-24 Revised:2015-01-22 Online:2010-10-15 Published:2015-01-22

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摘要： 桥梁在船舶碰撞时受到的动力载荷和响应是复杂的动力非线性问题,在分析碰撞仿真基本理论和关键技术 的基础上,借助于非线性有限元软件LS-DYNA,仿真分析了船舶撞击桥梁主塔的基本过程,得到了船舶与主塔碰 撞时碰撞力、能量转化及结构变形的时间历程,所得结论对桥梁设计与碰撞后损伤评估有着重要的参考价值。

关键词: 船桥碰撞, 数值仿真, 碰撞力, 结构损伤

Abstract: It is very difficult to accurately calculate the collision force and nonlinear responses of bridge during vessel-bridge collision course. By means of basic theories and key technologies of numerical simulation, the whole process of vessel collision with the main tower of bridge is simulated and analyzed by LS-DYNA, simultaneously, the time history of the collision force, the exchange of energy and the deformation of the bridge is presented, which can be used as reference to the design and damage estimation of bridge.

Key words: vessel-bridge collision, numerical simulation, collision force, structural damage

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