Large amplitude primary and superharmonic resonances in the Duffing oscillator
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Piezoelectrically induced nonlinear resonances for dynamic morphing of lightweight panels
2021, Journal of Sound and VibrationCitation Excerpt :Primary resonances of the lowest modes of geometrically nonlinear elastic beams subject to different boundary conditions were investigated in [21] showing the strong dependence of the bifurcation response on the geometrical and mechanical characteristics. Moreover, the bifurcation response of geometrically nonlinear oscillators in the case of primary and superharmonic resonances was investigated in [22]. In the studies, the need of higher-order asymptotic expansions is clearly highlighted [23,24].
Analytical approximations to primary resonance response of harmonically forced oscillators with strongly general nonlinearity
2020, Applied Mathematical ModellingCitation Excerpt :Some extensions of the classical perturbation methods to strongly odd nonlinear systems have been proposed, see Burton and Rahman [5], and Rahman and Burton [6] for examples. A modified version of the MS method to establish accurate lower-order approximate solutions to harmonically forced strongly odd nonlinear oscillators with linear damping was presented [5,6]. In Burton and Rahman [5], detuning of the excitation frequency squared but not the frequency was first introduced.
Analytical approximation of weakly nonlinear continuous systems using renormalization group method
2013, Applied Mathematical ModellingCitation Excerpt :The method is applied to the discretized governing equation as well as directly to the governing PDE. Previously, higher order approximation of nonlinear ordinary differential equations was investigated by perturbation methods [41–46]. But, there is no study on the higher order direct approximation of continuous systems.
On various representations of higher order approximations of the free oscillatory response of nonlinear dynamical systems
2011, Journal of Sound and VibrationOn the resonance response of an asymmetric Duffing oscillator
2008, International Journal of Non-Linear Mechanics
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Now at Department of Mechanical Engineering, Washington State University, Pullman, Washington 99164-2920, U.S.A.