| 矩形弹性壳液耦合系统的非线性振动分析 |
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| 引用本文： | 刘习军,高媛媛,张素侠,郭季平.矩形弹性壳液耦合系统的非线性振动分析[J].机械强度,2011,33(5):660-665. |
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| 作者姓名： | 刘习军 高媛媛 张素侠 郭季平 |
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| 作者单位： | 天津大学机械工程学院,天津,300072 |
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| 基金项目： | 国家自然科学基金(10572101); 天津市重点项目(09JCZDJC26800); 863项目(2007AA04Z209)资助~~ |
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| 摘 要： | 从流体运动微分方程组和边界条件出发,利用拉格朗日方程,建立矩形弹性壳液耦合系统的非线性振动方程组,并进行数学仿真计算,得到产生稳定的低频大幅重力波的条件及重力波和壳的幅频曲线,数值计算结果与实验现象吻合较好.
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| 关 键 词： | 壳液耦合系统 重力波 非线性振动 拉格朗日方程 |
ANALYSIS OF NONLINEAR VIBRATION OF RECTANGULAR LIQUID-ELASTIC SHELL COUPLED SYSTEM |
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| LIU XiJun,GAO YuanYuan,ZHANG SuXia,GUO JiPing.ANALYSIS OF NONLINEAR VIBRATION OF RECTANGULAR LIQUID-ELASTIC SHELL COUPLED SYSTEM[J].Journal of Mechanical Strength,2011,33(5):660-665. |
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| Authors: | LIU XiJun GAO YuanYuan ZHANG SuXia GUO JiPing |
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| Affiliation: | LIU XiJun GAO YuanYuan ZHANG SuXia GUO JiPing(School of Mechanical Engineering,Tianjin University,Tianjin 300072,China) |
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| Abstract: | According to fluid movement differential equations and boundary conditions,using Lagrange equation,nonlinear vibration equations of the rectangular shell fluid coupled system are established.By mathematical simulation,the conditions of appearing stable low-frequency and large magnitude gravity wave and rate frequency curves of gravity wave and shell are got.The numerical results and experimental phenomena are in good agreement. |
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| Keywords: | Shell-fluid coupled system Gravity wave Nonlinear vibration Lagrange equation |
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