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dc.contributor.authorCampos-Pozuelo, Cleofé-
dc.contributor.authorVanhille, Christian-
dc.date.accessioned2008-10-23T07:29:21Z-
dc.date.available2008-10-23T07:29:21Z-
dc.date.issued2002-09-
dc.identifier.citationForum Acusticum Sevilla 2002. Nonlinear Acoustics ; NON-02-007-IPen_US
dc.identifier.isbn84-87985-07-6-
dc.identifier.urihttp://hdl.handle.net/10261/7960-
dc.description6 pages.-- PACS nr.: 43.25.Cb.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.en_US
dc.description.abstractA numerical study of high-amplitude transient signals propagating in an absorbing, homogeneous fluid is presented. The work is motivated in many applications where high intensity waves, which can not be described by linear laws, are involved (biomedical research, high power ultrasonics, etc.). Differential equations are written in lagrangian coordinates, and the full nonlinear equation is solved by means of a finite difference algorithm. Calculations are performed exclusively in the time domain, giving all the harmonic amplitudes by only one resolution step, and allowing the analysis of the evolution of the waveform for any original signal: gaussian, rectangular pulses, periodic excitation, etc. Numerical results are presented for waveform distortion and shock formation for plane transient and harmonic waves. Spatial and initial pulse shape dependences are specially analysed.en_US
dc.format.extent63925 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherSociedad Española de Acústicaen_US
dc.rightsopenAccessen_US
dc.subjectHigh-amplitude transient signalsen_US
dc.subjectNonlinear wavesen_US
dc.subjectNumerical modelen_US
dc.subjectHigh intensity wavesen_US
dc.subjectFinite difference algorithmen_US
dc.subjectWaveform distortionen_US
dc.subjectShock formationen_US
dc.subjectInitial pulse shape dependenceen_US
dc.titleNumerical modeling of the nonlinear propagation of transient acoustic signalsen_US
dc.typecomunicación de congresoen_US
dc.description.peerreviewedPeer revieweden_US
Appears in Collections:(IA) Comunicaciones congresos
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