supported by the National Natural Science Foundation of China(11072065)
In this paper, the periodic solutions of the smooth and discontinuous (SD) oscillator, which is a strongly irra- tional nonlinear system are discussed for the system having a viscous damping and an external harmonic...
Project supported by the National Natural Science Foundation of China (No. 11072065)
The oil-film oscillation in dimensional nonlinear problem. In this a large rotating machinery is a complex high- paper, a high pressure rotor of an aero engine with a pair of liquid-film lubricated bearings is modeled...
supported by the National Natural Science Foundation of China (Grant No. 10872136,11072065 and 10932006)
In this paper,we propose a novel nonlinear oscillator with strong irrational nonlinearities having smooth and discontinuous characteristics depending on the values of a smoothness parameter.The oscillator is similar t...
supported by the National Natural Science Foundation of China (Grant Nos.11002093,11072065,and 10872136);the Science Foundation of the Science and Technology Department of Hebei Province of China (Grant No.11215643)
Nonlinear dynamical systems with an irrational restoring force often occur in both science and engineering, and always lead to a barrier for conventional nonlinear techniques. In this paper, we have investigated the g...