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首页> 外文期刊>American journal of fluid dynamics >Free Surface Sloshing Effect on Dynamic Response of Rectangular Storage Tanks
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Free Surface Sloshing Effect on Dynamic Response of Rectangular Storage Tanks

机译：自由表面晃动对矩形储罐动力响应的影响

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Dynamic analysis of liquid storage tanks is one of interesting subjects in the earthquake engineering. In the present paper, the staggered displacement method is utilized for analysing concrete storage tanks. In the proposed method, surface sloshing of the liquid domain is considered in addition to the effect of impulsive component of the liquid on the structure response. Also, different damping coefficients are applied on the various components of the liquid. Foundation is assumed to be rigid and an artificial dynamic load as well as a real ground motion record are used to analyse the tank-liquid coupled system in time domain. The resulted response is compared with those obtained from the commercial software. It is found that the convective term affects responses extensively and must be considered in seismic safety analysis of storage tanks.
机译：储液罐的动态分析是地震工程中有趣的课题之一。本文采用交错排量法对混凝土储罐进行分析。在提出的方法中，除了考虑液体的脉冲成分对结构响应的影响之外，还考虑了液体域的表面晃动。另外，在液体的各种成分上施加了不同的阻尼系数。假定基础是刚性的，则使用人工动载荷以及真实的地面运动记录来分析时域中的储罐-液耦合系统。将得到的响应与从商业软件获得的响应进行比较。发现对流项广泛影响响应，在储罐的地震安全分析中必须考虑对流项。

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