The fact that for a structure with certain extent of damage, the natural frequencies change accordingly compared to its primary intact structure, motivates to propose a novel concept of natural frequency vector.

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;