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- Title
Propagation of weak ultrasonic pulses in an intense low-frequency wave field in a granite resonator.
- Authors
Nazarov, V. E.; Kolpakov, A. B.; Radostin, A. V.
- Abstract
Results of an experimental study of nonlinear attenuation and carrier frequency phase delay of weak ultrasonic pulses under the effect of an intense low-frequency wave in a bar resonator made from Karelian granite are presented. The effects observed in the experiment are analytically described in terms of the phenomenological equation of state containing hysteretic and dissipative nonlinearities. A frequency dependence of nonlinearity is revealed, and the effective values of nonlinear parameters of granite are estimated for the frequency range from 150 kHz to 1 MHz.
- Subjects
RESONATORS; GRANITE; ATTENUATION (Physics); PHENOMENOLOGICAL theory (Physics); HYSTERESIS
- Publication
Acoustical Physics, 2010, Vol 56, Issue 4, p453
- ISSN
1063-7710
- Publication type
Article
- DOI
10.1134/S1063771010040081