Abstract
Duffing system was linearized by equivalent linearization method based on energy difference, then, the random response of the linear system was solved by combining the pseudo excitation method and four-order symplectic geometry algorithm. It is concluded that an approach to combine the pseudo excitation method, symplectic geometry algorithm and e-quivalent linearization method is accurate and efficient.
| Original language | English |
|---|---|
| Pages (from-to) | 37-43 |
| Number of pages | 7 |
| Journal | Hangkong Dongli Xuebao/Journal of Aerospace Power |
| Volume | 23 |
| Issue number | 1 |
| State | Published - Jan 2008 |
Keywords
- Duffing system
- Energy difference
- Equation difference
- Equivalent linearization method
- Pseudo excitation method
- Symplectic geometry algorithm
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