Initial six order natural frequencies and vibration model shapes were calculated of Subspace,and compared with the results of experimental model analysis.

The mode and nature frequency of pinned-pinned pipes conveying fluid with elastic foundations;

Experimental research on nature frequency of prestressed concrete beams;

The nature frequency,vibration pattern,and dynamic performance torsion moment of a rolling mill's main drive system are computed with the master and dependent DOF model built by using the master and dependent DOF method to link a speed-down machine's high speed part to low speed part as well as a gear's driver wheel to driven wheel.

Research on natural frequency and vibration model of coke drum structure;

Improved Calculation Method of the Natural Frequency of Spherical Tanks in Anti-Earthquake Design;

Influence of drilling fluid on natural frequency of drill string lateral vibration;

The influence of high temperature in deep holes on inherent frequency of drill string lateral vibration;

Analysis of the inherent frequency of water in a cylinder pipe;

Approach to inherent frequency analysis of elastic mechanism based on virtual prototyping;

Influence of corrugation on intrinsic frequency and critical load of arched-metal roof;

The calculation of the intrinsic frequency of the liquid rocket propulsion system

The intrinsic frequency of molecular-vibration of nonmetal binary hydrides is calculated with mechanic vibration theory.