Paper Title:
Research on Dynamic Instability of Irregularly-Shaped Arch Bridge Based on Catastrophe Theory
  Abstract

According to the characteristic of poor stiffness of V-shaped beams, transverse dynamic instability model of V-shaped is presented by Catastrophe Theory. Mechanism of stability of V-shaped is analyzed. Coordinates of two cusps and instable bifurcation set is derived. Effect of nonlinear coefficient and frequency ratio on amplitude of V-shaped beams are analyzed. When nonlinear coefficient is , continuous change of can arise abrupt change of amplitude. Then the jumping phenomenon can leads destruction of V-shaped beams.

  Info
Periodical
Chapter
Chapter 6: Advanced Construction Materials
Edited by
Xuejun Zhou
Pages
832-837
DOI
10.4028/www.scientific.net/AMM.99-100.832
Citation
X. R. Yang, X. J. Shen, M. Zhong, J. X. Lan, "Research on Dynamic Instability of Irregularly-Shaped Arch Bridge Based on Catastrophe Theory", Applied Mechanics and Materials, Vols. 99-100, pp. 832-837, 2011
Online since
September 2011
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$32.00
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