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| 船舶撞击桥墩的非线性有限元数值仿真 | |
| 引用本文： | 宁运琳,罗旗帜,刘夏平,熊高.船舶撞击桥墩的非线性有限元数值仿真[J].广州大学学报(自然科学版),2011,10(5):58-64. |
| 作者姓名： | 宁运琳 罗旗帜 刘夏平 熊高 |
| 作者单位： | 1. 广州大学土木工程学院,广东广州,510006 2. 佛山科学技术学院土木工程与建筑系,广东佛山,528000 3. 湖南大学土木工程学院,湖南长沙,410082 |
| 基金项目： | 国家自然科学基金项目(50978058); 全国优秀博士学位论文作者专项资金项目(200954); 广东省自然科学基金项目(9151063101000050,10252800001000000)资助 |
| 摘 要： | 基于数值仿真原理，采用非线性有限元软件ANSYS／LS—DYNA对一艘3000t油船撞击桥墩进行仿真计算．考虑了材料非线性、几何非线性和接触非线性，建立了船桥碰撞有限元模型．分析了碰撞过程中能量、速度、碰撞力的变化，并将碰撞力的大小与国内外规范进行了比较．结果表明：最大碰撞力的估算美国规范和沃辛计算值偏大，我国公路规范... |
| 关 键 词： | 船舶 桥墩 非线性 碰撞力 |
Non-linear finite element numerical simulation of ship-pier collision |
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| NING Yun-lin,LUO Qi-zhi,LIU Xia-ping,XIONG Gao.Non-linear finite element numerical simulation of ship-pier collision[J].Journal og Guangzhou University:Natural Science Edition,2011,10(5):58-64. | |
| Authors: | NING Yun-lin LUO Qi-zhi LIU Xia-ping XIONG Gao |
| Institution: | NING Yun-lin1,LUO Qi-zhi2,3,LIU Xia-ping1,XIONG Gao3(1.School of Civil Engineering,Guangzhou University,Guangzhou 510006,China,2.Department of Civil Engineering and Architecture,Foshan Science and Technology University,Foshan 528000,3.School of Civil Engineering,Hunan University,Changsha 410082,China) |
| Abstract: | Based on numerical simulation theory,the numerical simulation calculation of a 3 000 ton oil tanker impacting pier with the help of non-linear finite element software ANSYS/LS-DYNA is finished.The finite element model of ship-bridge with considered material nonlinearity,geometric nonlinearity and contact nonlinearity is built.The variation of energy,velocity and collision force during collision process are analyzed and the collision force is compared with the standards at home and abroad.The results indicat... |
| Keywords: | ship pier non-linear collision force |
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