Using the Dual-Time Stepping Method with Moving-Grid technique to solve the Navier-Stokes equations, the numerical analysis of the unsteady aerodynamics on vibrating cascade is performed.

Study on discontinuous phase method of noncontact on-line monitoring turbine blade vibration based on single tip sensor;

Method to predict the blade vibration stress induced by wake flow;

Effect of the blade vibration on the dynamical behaviors of a rotor-bearing system;

The vibrational frequency is an important parameter of molecular structure.

In this paper, an equation is obtained through researching the reqularity of the vibrational frequency of the Chemical bond A-H by using the average nuclear potential of the valence electrons and the average energy of valence orbitals.

The vibrational frequency,the effectiv e Hamiltonian and the induced potential of a strong coupling surface magnetopola rons in a polar crytal were derived by using the linear combination operator met hod.

Matching relation between casting billet speed and vibration frequency during billet CC;

Effect of vibration frequency on relevant behavior of satulated soft clay;

Experimental study on influence of vibration frequency to dynamic modulus and damping ratio characteristics of saturate sandy pebble soil;