The Dispersion of Laser-Induced Stress Waves in a Straight Cylindrical Rod
A Q-switched ruby laser with a pulse duration of approximately 50 ns has been used to initiate a broad-bandwidth stress pulse in a straight cylindrical steel waveguide of 1 cm diameter. The highly dispersed stress pulse has been recorded at a distance of 130 cm along the waveguide from the irradiated end and the stress, time profile analyzed by the method of stationary phase. First mode and second mode longitudinal waves and flexural waves have been recorded and the measured dispersion in each case compared with the predictions of the Pochhammer and Chree theory.
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Document Type: Research Article
Publication date: September 1, 1975
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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