The dissertation is devoted to studying the nonlinearfreevibration of elastic circular plate and circular sandwich plate.
本论文致力于研究弹性圆板和夹层圆板的非线性自由振动。
2
For the given parameters, the quantitative and qualitative analyses to the phase portrait and motion circle of the nonlinearfreevibration are dealt with.
对给定参量的非线性自由振动的相位图特性、振动周期等进行了定量及定性研究。
3
A kind of freevibration equation of the nonlinear dynamical system is solved to study chaotic movement.