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首页> 外文期刊>Journal of Sound and Vibration >Dynamic response analysis of a liquid-filled cylindrical tank with annular baffle
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Dynamic response analysis of a liquid-filled cylindrical tank with annular baffle

机译：带环形挡板的充液圆柱罐动力响应分析

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摘要

Baffles are generally used as damping devices in liquid storage tanks. The focus of the present paper is to study the influence of a baffle on the dynamic response of a partially liquid-filled cylindrical tank. A baffle is assumed here to have the shape of a thin annular circular plate. The natural frequencies of an inviscid and incompressible liquid are determined for varying positions and dimensions of a baffle attached normal to the tank wall. The flexibility of both the baffle and the tank are considered in studying the effects of liquid-baffle and liquid-tank interactions on the sloshing mode frequencies. Finite element codes are developed and are then used to analyze both the liquid domain and the structural domain (i.e., the tank and the baffle). The coupled vibration frequencies of the tank-baffle system are computed considering the effect of sloshing of liquid. The results obtained for a liquid-filled elastic tank without a baffle and a rigid tank with a rigid baffle are in good agreement with the available results. The slosh amplitude of liquid in a rigid tank with and without a rigid baffle is studied under translational base excitation. The effects of the tank wall and baffle flexibility on the slosh response are also investigated. (C) 2003 Elsevier Ltd. All rights reserved.
机译：挡板通常用作储液罐中的阻尼装置。本文的重点是研究挡板对部分注满液体的圆柱罐动力响应的影响。此处假定挡板具有薄的环形圆形板的形状。确定不粘液体和不可压缩液体的固有频率，以改变垂直于罐壁安装的挡板的位置和尺寸。在研究液体-挡板和液体-容器相互作用对晃荡模式频率的影响时，考虑了挡板和容器的灵活性。开发了有限元代码，然后将其用于分析液体域和结构域（即罐和挡板）。考虑到液体晃动的影响，计算了油箱挡板系统的耦合振动频率。对于没有挡板的充满液体的弹性罐和带有刚性挡板的刚性罐所获得的结果与现有结果非常吻合。在平移基座激励下研究了带有或不带有刚性挡板的刚性罐中液体的晃动幅度。还研究了罐壁和挡板柔性对晃荡响应的影响。 （C）2003 Elsevier Ltd.保留所有权利。

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