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A Study on the Dynamic Impact Response Analysis of Cask by Modal Superposition Method  

Lee Young-Shin (충남대학교 공과대학 기계설계공학과)
Kim Yong-Jae (한국원자력안전기술원)
Choi Young-Jin (충남대학교 대학원)
Kim Wol-Tae (한국원자력안전기술원)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.18, no.4, 2005 , pp. 373-383 More about this Journal
Abstract
The cask is used to transfer the radioactive material in various fields required to withstand hypothetical accident condition such as 9m drop impact in accordance with the requirement of the domestic requlations and IAEA. So far the impact force has been obtained by the finite element method with complex computational procedure. In this study, the dynamic impact response of the cask body is analyzed using the mode superposition method, and the analysis method is proposed. The results we also validated by comparing with previous experimental results and finite element analysis results. The present method Is simpler than finite element method and can be used to predict the global impact response of cask
Keywords
mode superposition method; cask; drop impact; dynamic response;
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