## 留言板

 引用本文: 冯志鹏, 臧峰刚, 张毅雄. 三维横向流体诱发直管振动的数值模拟[J]. 应用数学和力学, 2013, 34(12): 1311-1320.
FENG Zhi-peng, ZANG Feng-gang, ZHANG Yi-xiong. Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow[J]. Applied Mathematics and Mechanics, 2013, 34(12): 1311-1320. doi: 10.3879/j.issn.1000-0887.2013.12.010
 Citation: FENG Zhi-peng, ZANG Feng-gang, ZHANG Yi-xiong. Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow[J]. Applied Mathematics and Mechanics, 2013, 34(12): 1311-1320.

• 中图分类号: O322

## Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow

• 摘要: 基于有限体积法和有限元法，结合动网格控制技术，建立了横向流体作用下三维弹性直管流致振动计算的数值模型，实现了计算结构动力学与计算流体力学之间的联合仿真．首先，通过对刚性管的静止绕流计算，研究了网格离散方式和不同湍流模型对圆柱类结构静止绕流流场特征的影响和预测能力，得到了适用于双向耦合分析的CFD模型；其次，利用基于双向流固耦合方法的流致振动模型，计算并分析了流体力与结构位移间的相位关系，指出流体力与位移间的相位差是由流体力引起的，同时对双向耦合和单向耦合进行了比较分析；最后通过对直管流致振动的数值计算，联合管表面压力、尾流区时均速度、分离角等时均量，分析了尾流区的流场特征.
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##### 出版历程
• 收稿日期:  2013-07-15
• 修回日期:  2013-07-28
• 刊出日期:  2013-12-16

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