Inverse method for estimating the wave propagation...

Details Inverse method for estimating the wave propagation... Inverse method for estimating the wave propagation...

2006-03-14

2006-03-14

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C702S017000, C702S039000, C702S056000, C702S103000

Reexamination Certificate

active

07010981

ABSTRACT:
A method is provided to distinguish two blended but different waves in a structure, such as compressional and shear waves, by measuring their corresponding wavenumbers and wave speeds. Other characteristics of the two waves may also be measured such as the propagation coefficients of both waves. All measurements can be calculated at every frequency for which a transfer function measurement is made. The measurements do not depend on the resonance frequencies of the structure and do not require curve fitting to the transfer functions.

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