A Contribution to the Technique of Contact-Free Stimulation of Waves in Plates
For contact-free stimulation of waves in plates the plate-wave transmitter described here, generates eddy currents at the surface of steel plates which, under the influence of a constant magnetic field give rise to a suitable surface force distribution. First of all the characteristic properties of different agreements of the conducting paths given by the transmitter generating the eddy currents are described and hence the best arrangements are envolved. Then follows a description of the Lamb-mode selectivity of the transmitter with the aid of a modified Lamb-wave diagram and a frequency analysis of the pulse operated transmitter. Such a type of transmitter is demonstrated in its use to generate plate waves.
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Document Type: Research Article
Publication date: September 1, 1972
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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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