In order to research the effect of missile flight speed on the vibration parameters of ram-air rudder,the mathematical and computer simulation models of the rudder system were created.

On the basis of numerical results, it obtains a satisfying and significant conclusion, and supplies a theoretic foundation for the control of the auto-parametric resonate of guyed mast.

This paper compared continuous casting mold oscillation types between nonsinusoidal oscillation and triangle oscillation, analyzes their oscillation waves and oscillation parameters.

This paper establishes the velocity equations of new trapezoid oscillation, analyzes its oscillation parameters, and proposes its optimum regions.

Design of PVDF sensor measuring vibration parameters;

An L27(313)orthogonal array based on Taguchi method was adopted,the results showed the effects of the dynamic injection molding parameters on shrinkage of parts were different between perpendicular flow direction and parallel flow direction,and the effects of vibration parameters on the sh.

Through drawing and analyzing the cutting trace of the slice lapping,the selection of appropriate vibration parameters is mainly discussed in order to achieve the best slice lapping e.

Optimal control of parametric resonances of a clamped-clamped pipe conveying pulsating fluid;

Stability and parametric resonances of a pipe conveying pulsating fluid;

Swing- mechanical model, elementary analysis and perturbation solution for nonlinear parametric resonance;