Dynamic Buckling Characteristics of Arch Structures by Sinusoidal Harmonic Excitation

정현형 조화하중에 의한 아치 구조물의 동적 좌굴 특성에 관한 연구

  • Published : 2004.03.01


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).


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