Chaotic Threshold for Axial Loaded Beam Bridge under Moving Loads

Shi Zhu Yang; Xin Wei Yang

doi:10.4028/www.scientific.net/AMM.533.140

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 533Chaotic Threshold for Axial Loaded Beam Bridge...

Chaotic Threshold for Axial Loaded Beam Bridge under Moving Loads

Abstract:

We studied chaotic threshold of a nonlinear dynamical system of beam bridge. The amplification and minification of integral inequality are proposed, which lead to the criteria for chaotic motion directly for the nonlinear system with a half sine pulse excitation avoiding the conventional approximation methods to retain the nature characteristics of the system. The efficiency of the criteria for chaotic motion obtained by use of the Melnikov's method is verified via the bifurcation diagrams, Lyapunov exponents and numerical simulations.

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Periodical:

Applied Mechanics and Materials (Volume 533)

Pages:

140-144

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.533.140

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Online since:

February 2014

Authors:

Shi Zhu Yang*, Xin Wei Yang

Keywords:

Beam Bridge, Chaos, Infinite Series of Moving Loads, Mid-Span Deflection, Nonlinear

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* - Corresponding Author

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