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Periodic solutions for highly nonlinear oscillation systems

Ghadimi M., Barari A., Kaliji H. D., Domairry G.

Archives of Civil and Mechanical Engineering

2012

Vol. 12, no. 3

389--395

In this paper, Frequency-Amplitude Formulation is used to analyze the periodic behavior of tapered beam as well as two complex nonlinear systems. Many engineering structures, such as offshore foundations, oil platform supports, tower structures and moving arms, are modeled as tapered beams. The results obtained are compared with Variational Iteration Method (VIM) and other analytical methods as well as time marching solution. The results given show the effectiveness and accuracy of the proposed techniques.