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Dynamic Buckling Characteristics of Arch Structures by Sinusoidal Harmonic Excitation  

윤태영 (세명대학교 건축공학과)
김승덕 (세명대학교 건축공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.17, no.1, 2004 , pp. 67-74 More about this Journal
Abstract
The dynamic instability for snapping phenomena has been studied by many researchers. Few paper deal with the dynamic buckling under the load with periodic characteristics, and the behavior under periodic excitation is expected the different behavior against STEP excitation. We investigate the fundamental mechanisms of the dynamic instability when the sinusoidal shaped arch structures are subjected to sinusoidal harmonic excitation with pin-ends. By using Newmark- β method, we can get the nonlinear displacement response, and using this analyze characteristics of the dynamic instability through the running response spectrum by FFT(Fast Fourier Transform).
Keywords
dynamic instability; sinusoidal harmonic excitation; running spectrum;
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Times Cited By KSCI : 1  (Citation Analysis)
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