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SIMPLIFIED SEISMIC RESPONSE ANALYSIS METHOD USING REDUCED MODEL OF PIPING SYSTEM

机译:管道系统简化模型的简化地震反应分析方法

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In the seismic response analysis of piping systems, finite element analysis is performed with analysis method guidelines [1]-[4] established based on benchmark analysis. However, since it takes a great deal of effort to carry out finite element analysis, a simplified method to analyze the seismic response of complex piping systems is required. In this research, we propose a method to reduce an equivalent spring-mass system model with low degrees of freedom, which can take into account the main mode of the complicated piping system. Simplified seismic evaluation is carried out using this spring mass system model with low degrees of freedom, and the accuracy of response evaluation is confirmed by comparison with finite element analysis.
机译:在管道系统的地震响应分析中,使用基于基准分析建立的分析方法准则[1]-[4]进行有限元分析。但是,由于进行有限元分析需要花费大量的精力,因此需要一种简化的方法来分析复杂管道系统的地震响应。在这项研究中,我们提出了一种方法来减少具有低自由度的等效弹簧质量系统模型,该方法可以考虑复杂管道系统的主要模式。使用具有低自由度的弹簧质量系统模型进行简化的地震评估,并通过与有限元分析进行比较来确定响应评估的准确性。

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