Abstract
The crisis phenomena of a Duffing-Van der Pol oscillator with a one-side elastic constraint are studied by the composite cell coordinate system method in this paper. By computing the global properties such as attractors, basins of attraction and saddles, the vivid evolutionary process of two kinds of crises: boundary crisis and interior crisis are shown. The boundary crisis is resulted by the collision of a chaotic attractor and a periodic saddle on the basin boundary. It is observed that there are two types of interior crises. One is caused by the collision of a chaotic attractor and a chaotic saddle within the interior of basin of attraction. The other one occurs because a period attractor collides with a chaotic saddle within the interior of basin of attraction. The saddles of system play an important role in the crisis process. The results show that this method is an efficient tool to perform the global analysis of elastic impact oscillators.
| Original language | English |
|---|---|
| Pages (from-to) | 3567-3574 |
| Number of pages | 8 |
| Journal | Communications in Nonlinear Science and Numerical Simulation |
| Volume | 18 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2013 |
Keywords
- Crisis
- Elastic impact oscillator
- Global analysis
- Saddle
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