高耸烟囱风致振动的TPIMS减振数值分析

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (9) : 290-298.

论文

杨涵1，刘仰昭1，戴靠山1,2,3，丁志斌1，尹业先4

作者信息 +

Numerical analysis of TPIMS for reducing wind-induced vibration of high-rise chimney

YANG Han1, LIU Yangzhao1, DAI Kaoshan1,2,3, DING Zhibin1, YIN Yexian4

Author information +

文章历史 +

摘要

以某高耸烟囱为工程背景，提出了一种预测三维烟囱涡振响应的新方法，通过该方法可有效避免复杂的公式推导与数值计算；通过连续随机离散流技术（consistent discrete random inflow generation，CDRFG）模拟紊流风场，建立两种减振系统的有限元模型，计算对比惯容减振系统（Tuned parallel inerter mass system, TPIMS）与调谐质量阻尼器（tuned mass damper，TMD）的风致振动减振效率。结果表明：新的预测方法能够较为准确地预测出三维烟囱的涡振响应；基于相同质量比，惯容减振系统相比TMD有更高的减振效率，但其存在质点行程过大的问题，需要在具体工程设计中加以关注。

Abstract

Taking a high-rise chimney as an example, the efficiency of the tuned parallel inerter mass system (TPIMS) and TMD for chimney vibration depression under wind loads was compared. Vortex-induced responses of the chimney under different wind speeds were obtained by the iteration method, and buffeting responses under strong winds were realized by the consistent discrete random flow generation (CDRFG) method. The finite element models of two control systems were constructed, in which the inerter is simulated by the equivalent effect method. Based on the results, the efficiency of two systems were calculated and compared. Under the condition of the same mass ratio, TPIMS has a better damping efficiency than tuned mass damper（TMD）. However, there is a problem of excessive mass displacement for TPIMS, which should be considered in actual engineering projects.

导出引用

杨涵1，刘仰昭1，戴靠山1,2,3，丁志斌1，尹业先4. 高耸烟囱风致振动的TPIMS减振数值分析[J]. 振动与冲击, 2022, 41(9): 290-298

YANG Han1, LIU Yangzhao1, DAI Kaoshan1,2,3, DING Zhibin1, YIN Yexian4. Numerical analysis of TPIMS for reducing wind-induced vibration of high-rise chimney[J]. Journal of Vibration and Shock, 2022, 41(9): 290-298

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