| 储液容器内液体晃荡的非线性动力学分析 |
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| 引用本文： | 李文盛,赵友清,贾善坡,王凯,谭继可.储液容器内液体晃荡的非线性动力学分析[J].爆炸与冲击,2014,34(1):87-92. |
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| 作者姓名： | 李文盛 赵友清 贾善坡 王凯 谭继可 |
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| 作者单位： | 1.长江大学城市建设学院，湖北 荆州 434023 |
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| 基金项目： | 国家自然科学基金项目(50978033);湖北省教育厅科学研究计划项目(Q20101301)~~ |
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| 摘 要： | 基于非线性波动理论模型，求解储液容器内液体晃动的固有频率、模态及动力学响应问题。流体使用us-up状态方程，利用ABAQUS软件的自适应网格技术，建立储液容器液体晃动数学模型，通过施加水平简谐激励得到液体晃动的固有频率和模态，并与解析解对比，验证了该方法的准确性与可行性。然后，分析了矩形储液容器在多种激励作用下液体非线性晃动响应特性。
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| 关 键 词： | 流体力学 模态 非线性动力学 液体晃动 充液容器 地震响应 |
| 收稿时间： | 2012-06-08 |
Numerical analysis on liquid sloshing in storage container by nonlinear dynamics method |
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| Institution: | 1.School of Urban Construction, Yangtze University, Jingzhou 434023, Hubei, China2.Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan250061, Shandong, China3.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, Hubei, China |
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| Abstract: | Based on the nonlinear wave theory, a mathematical model was proposed by applying the adaptive meshing technique in the ABAQUS code.And in the proposed model, the linear us-up Hugoniot equation of state was used for liquid.By using the proposed model, nonlinear harmonic response simulations were performed to numerically obtain the eigenfrequencies and the modals of the liquid sloshing in the tank－liquid system subjected to horizontal excitations.And the numerical results were compared with the analytical solutions to illuminate the reliability and availability of the proposed method.Finally, the nonlinear sloshing response characteristics of a rectangular liquid storage container were analyzed under a variety of excitations. |
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