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http://dx.doi.org/10.5050/KSNVN.2007.17.2.185

Application of Numerical Differentiation Using Differential Quadrature (DQ) to Curved Member-like Structural Analysis  

Lee, Byoung-Koo (Dept. of Civil Engineering, Wonkwang University)
Oh, Sang-Jin (Dept. of Civil Engineering, Namdo Provincial College)
Lee, Tae-Eun (Dept. of Civil Engineering, Wonkwang University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.17, no.2, 2007 , pp. 185-193 More about this Journal
Abstract
This paper deals with the application of the numerical differentiation using the differential quadrature(DQ) in the curved member-like structural analysis. Derivative values of the geometry of structure are definitely needed for analyzing the structural behavior. For verifying the numerical differentiation using DQ, free vibration problems of arch are selected. Terms of curvature composed with the derivatives of arch geometry obtained herein are agreed quite well with exact values obtained explicitly. Natural frequencies subjected to terms of curvature obtained by DQ are agreed quite well with those in the literature. The numerical differentiation using DQ can be practically utilized in the structural analysis.
Keywords
Curved Member; Differential Quadrature; Natural Frequency; Numerical Differentiation; Structural Analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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