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Article
A new perturbation procedure for limit cycle analysis in three-dimensional nonlinear autonomous dynamical systems
By introducing a new parametric transformation and a suitable nonlinear frequency expansion, the modified Lindstedt–Poincaré method is extended to derive analytical approximations for limit cycles in three-dim...
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Article
Bifurcation and route-to-chaos analyses for Mathieu–Duffing oscillator by the incremental harmonic balance method
Bifurcations and route to chaos of the Mathieu–Duffing oscillator are investigated by the incremental harmonic balance (IHB) procedure. A new scheme for selecting the initial value conditions is presented for...