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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference 2006 vol.3: Design and Analysis >Analysis of Pressure Vessel Sloshing
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Analysis of Pressure Vessel Sloshing

机译：压力容器晃动的分析

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摘要

ASME BPVC Section VIII Division 1 Paragraph UG-22 (f) requires consideration of the loadings from seismic conditions. For a vessel containing a fluid, the loading due to sloshing must be considered. ASCE Standard 7-02 (Section 9.14.7.3) states that a damping value of 0.5% can be used to account for the fluid sloshing. This can lead to an overly conservative design by over-estimating the loads on the tank structure. A time-history analysis was performed on a horizontally mounted pressure vessel experiencing 3-axis time history loads in order to determine if this method is more accurate in determining the loads. The analysis employed a 3-dimensional computational fluid dynamics (CFD) model, using transient time-history techniques. The reactions at the mounting locations were compared to the reactions computed using closed form solutions, demonstrating good correlation. The results show that CFD is an excellent tool for investigating seismic sloshing loads in vessels.
机译：ASME BPVC第VIII节第1节UG-22（f）段要求考虑地震条件下的载荷。对于装有液体的容器，必须考虑由于晃动引起的负载。 ASCE标准7-02（第9.14.7.3节）规定，可以使用0.5％的阻尼值来解决流体晃动的问题。通过高估储罐结构上的载荷，这可能导致设计过于保守。为了确定此方法在确定载荷方面是否更准确，对水平安装的承受3轴时间历史载荷的压力容器进行了时程分析。该分析使用了瞬态时间历史技术的3维计算流体动力学（CFD）模型。将安装位置的反应与使用封闭式解决方案计算的反应进行了比较，证明了良好的相关性。结果表明，CFD是研究船舶地震晃荡载荷的出色工具。

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