Abstract

A theory of stochastic layers is developed for a better understanding of the resonant mechanism of stochastic layers in nonlinear Hamiltonian systems. A criterion based on an accurate whisker map and resonant conditions is developed for prediction of the onset of resonance in the stochastic layer. The onset of a specific primary resonance between the periodic forcing and periodic orbit of the integrable Hamiltonian system in the stochastic layer is predicted analytically. A forced, twin-well Duffing oscillator is investigated as a sample problem for prediction of a specified resonance in the stochastic layer. Verification of the analytical prediction is carried out through a symplectic numerical integration scheme. The analytical and numerical results are in good agreement.

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