Abstract
In this paper, we study the periodic solutions for the free vibration of a conservative oscillator with fifth-order nonlinearity using two new methods, the energy balance method and the variational approach. We compare the results obtained with those yielded by the traditional harmonic balance method and equivalent linearization–nonlinearization method. The periodic solutions are then verified using the Runge–Kutta approach.
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Sfahani, M.G., Barari, A., Ganji, S.S. et al. Dynamic response of a beam carrying a lumped mass along its span. Int J Adv Manuf Technol 64, 1435–1443 (2013). https://doi.org/10.1007/s00170-012-4113-4
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DOI: https://doi.org/10.1007/s00170-012-4113-4