The Diffraction of an Underwater Shock Wave by a Semi-Infinite Plane
A great number of pressure-time curves measured in shock waves arising from underwater explosions show the existence of a well-defined pressure “shadow and light region”, bounded by a strong pressure gradient between the two regions, at the diffraction of the shock waves by a semi-infinite plane situated in the entrance from a channel into a water-filled tank. Through the modification of a method for direct solution of the diffraction problems by pressure waves in air, introduced by Friedlander, it has been found possible to extend the method also to comprise the calculation of the pressure variation in the wave system arisen by diffraction of weak underwater shocks. A good accordance between the theoretical and the experimental values is given.
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Document Type: Research Article
Publication date: January 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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