Comparison between equivalent spring element method and additional mass method in nuclear power structure
文献类型： 外文期刊
第一作者： Wang, Jin-Xiao
作者： Wang, Jin-Xiao;Song, Meng-Yan;Fu, Peng;He, Fen
作者机构：
关键词： Equivalent spring element method;Additional mass method;Dynamic characteristics
期刊名称：PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON CIVIL ENGINEERING AND TRANSPORTATION 2015
ISSN： 2352-5401
年卷期： 2016 年 30 卷
页码：
收录情况： SCI
摘要： In order to study the effect of fluid on the structural dynamic characteristics, in this paper, a three-dimensional spring element was applied to the dynamic analysis of the fluid. Based on the simplified model of nuclear power structure, the upper water tank of concrete containment was analyzed in different water level by equivalent spring element method and additional mass method. The theory of three-dimensional equivalent spring element was put forward, and then the numerical simulation of different water tank was carried out. The computational results of the two methods showed that the equivalent spring element method and the additional mass method have the similar accuracy.
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