Study on torsional vibration frequency of board spring sawblade strain system of band-saw mill;

Study on ultrasonic torsional vibration and equivalent circuit of thin annular resonator;

Analysis of torsional vibration of a spur gear system with faults;

Research on the mechanical model and natural frequencies of torsion vibration of the rod string of screw production systems;

Discussion for the influence on downhole temperature on torsion vibration natural frequencies of drill strings;

Study on torsion vibration of vehicle power train;

The twisting vibration characteristic analysis of the sucker rod string for progressing cavity pump oil production system;

On the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.

The paper introduces the main noise resource of the setting of motor and pump,the usual connection manner of mo- tor and pump and proposes the connection manner used in the paper;also it analyzes and simulates the twisting vibration of the axes.

Research on torsional oscillation characteristics of single pile embedded in isotropic elastic foundation;

Study on the torsional oscillations of single pile embedded in layered foundation

Characteristics of torsional oscillations of a rigid disc on saturated poroelastic grounds are studied by analytical method for the first time.

Analysis of the coupled flexural-torsional vibrations of rotary shaft systems;

Characteristics of torsional vibrations of a rigid disc resting on layered saturated poroelastic ground are studied by analytical method for the first time.