free vibration


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Related to free vibration: forced vibration, damped vibration

free vibration

[¦frē vī′brā·shən]
(physics)
References in periodicals archive ?
The dynamic stiffness method and the W-W algorithm are widely used in free vibration analysis of skeletal structures, for example, nonuniform Timoshenko beams [28], three-layered sandwich beams [29], and functionally graded beams [30].
Shao and Ma,2007) investigated free vibration analysis of laminated cylindrical shells with arbitrary classical end conditions.
Out-of-plane free vibration of a circular arch with uniform cross-section: Exact solution, Journal of Sound and Vibration 291(3-5): 525-538.
Static, free vibration and buckling analysis of anisotropic thick laminated composite plates on distributed and point elastic supports using a 3-D layer-wise FEM".
The free vibration response was measured at the bottom of each floor joist at the midspan using a linear variable differential transducer (LVDT).
Free vibration of single-degree-of-freedom systems (under-damped) in relation to structural dynamics during earthquakes
Using released method to carry out free vibration test on indoor test model cable, the acceleration signal got by acceleration sensor of cable span is shown in Figure 12, cable displacement signal obtained by the frequency domain integral method is shown in Figure 13, and the spectrum curve got after FFT on model cable free vibration displacement time history is shown in Figure 14.
18-20] developed a series of methods to investigate free vibration of different cylindrical shells with general elastically restrained boundaries, such as composite laminated cylindrical shells and a three-layered passive constrained layer damping (PCLD) cylindrical shell, considering elastic restraints and intermediate ring supports.
For free vibration analysis (q = 0), the relevant equation can be written as:
According to Euler-Bernoulli beam theory, the equation of motion for each part in the case of free vibration can be written as:
They consider methods for analyzing flutter in cable-supported bridges on paper, during construction, and when completed; and sensitivity analysis of eigenvalue problems and free vibration problems.