Approach to tuning natural frequency of variable stiffness elastic support of 3D vibration strengthening polishing vibration table;

Design of variable stiffness adjustment apparatus for natural frequency modulation of strengthened polishing vibration table;

For the purpose of studying natural frequency and vibration mode influence on strengthening and polishing,this paper goes forward X and Y model test for three-dimensions strengthening and polishing vibrating equipment,and obtains its each order model.

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.

A fast algorithm for natural frequencies of pipe with complex restrictions;

Analysis for transverse free vibration of a longitudinally moving fabric is put forward here, with the calculating formula for natural frequencies of the fabric being introduced.

For the circular plate with both clamped and simply supported boundary condition,the characteristic curves of the first three lowest natural frequencies versus temperature rise of are obtained.