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http://dx.doi.org/10.3795/KSME-A.2011.35.1.047

Development of Model for Seismic Qualification of Electronic Enclosure for Nuclear Power Plant  

Sur, Uk-Hwan (School of Mechanical and Automotive Engineering, Halla Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.1, 2011 , pp. 47-52 More about this Journal
Abstract
In this paper, we describe the development of a finite-element model for seismic qualification. This paper presents finite-element analysis model of the electronic enclosure to be used at Arkansas nuclear power plant, USA. The verified model predicts natural frequencies within 5% error for all major modes below 50 Hz. The finite element lumped mass approach and the finite element stiffness approach using the COSMOSM finite element code is applied for static, eigenvalue, and dynamic analyses of the mathematical model of this system. The FEM model indicates that the stress levels corresponding to the specified loading conditions are below the allowable stress levels that have been specified in the AISC Code. The findings conclude that the electronic enclosure will withstand the seismic levels stated in the reference documents.
Keywords
Seismic Qualification; Safety; Finite Element Analysis; Stress Analysis; Natural Frequency; Allowable Stress;
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  • Reference
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