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Inverse problem of nonlinear acoustics: Synthesizing intense signals to intensify the thermal and radiation action of ultrasound
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
2016 (Engelska)Ingår i: Acoustical Physics, ISSN 1063-7710, E-ISSN 1562-6865, Vol. 62, nr 4, s. 418-428Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Inverse problems of nonlinear acoustics have important applied significance. On the one hand, they are necessary for nonlinear diagnostics of media, materials, manufactured articles, building units, and biological and geological structures. On the other hand, they are needed for creating devices that ensure optimal action of acoustic radiation on a target. However, despite the many promising applications, this direction remains underdeveloped, especially for strongly distorted high-intensity waves containing shock fronts. An example of such an inverse problem is synthesis of the spatiotemporal structure of a field in a radiating system that ensures the highest possible energy density in the focal region. This problem is also related to the urgent problems of localizing wave energy and the theory of strongly nonlinear waves. Below we analyze some quite general and simple inverse nonlinear problems. © 2016, Pleiades Publishing, Ltd.

Ort, förlag, år, upplaga, sidor
Maik Nauka/Interperiodica, 2016. Vol. 62, nr 4, s. 418-428
Nyckelord [en]
Acoustics; Biological materials; Focusing; Plasma diagnostics; Shock waves; Ultrasonics; Wave energy conversion, Acoustic radiation; Geological structures; Non-linear acoustics; Nonlinear diagnostics; Nonlinear problems; nonlinearity; Spatio-temporal structures; Strongly nonlinear, Inverse problems
Nationell ämneskategori
Strömningsmekanik och akustik
Identifikatorer
URN: urn:nbn:se:bth-12986DOI: 10.1134/S1063771016040163ISI: 000380363800004Scopus ID: 2-s2.0-84979257025OAI: oai:DiVA.org:bth-12986DiVA, id: diva2:956798
Tillgänglig från: 2016-08-31 Skapad: 2016-08-31 Senast uppdaterad: 2017-06-16Bibliografiskt granskad

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Rudenko, Oleg

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