Phase increment analysis of damped Duffing oscillators
Author(s)
Author(s)
Fung, T. C.
Date Issued
1989
Publisher
John Wiley & Sons
Journal
International Journal for Numerical Methods in Engineering
Volume
28
Issue
1
Start page
193
End page
209
Abstract
A phase increment method is introduced to construct the response curves for the damped Duffing oscillator in primary, superharmonic, and subharmonic resonances. Non-linear parameters can be arbitrarily large. The algorithm is numerically stable. All resonance response curves are constructed in a unified manner. Closed loop curves are obtained in subharmonic resonances as opposed to open ended ones predicted by the perturbation method. Higher order resonances are constructed without difficulties. Loops are also observed in superharmonic resonances when non-linearity is not small.
SFU Affiliated Publication
No
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