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We explain, motivation behind this work and briefly describe foundation of new method which we have developed for efficient solution in PC environment of the nonlinear propagation equation with the boundary conditions applied for both circular and not circular transducers (like array). Comparison between new and old method will be presented for strongly nonlinear disturbance. At the end we will demonstrate the results of the numerical calculations of the nonlinear field propagating from the array.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
227--234
Opis fizyczny
Bibliogr. 8 poz., rys.
Twórcy
autor
- Polish Academy of Sciences, Institute of Fundamental Technological Research, Ultrasound Department, Świętokrzyska 21, 00-049 Warsaw, POLAND
autor
- Polish Academy of Sciences, Institute of Fundamental Technological Research, Ultrasound Department, Świętokrzyska 21, 00-049 Warsaw, POLAND
autor
- Polish Academy of Sciences, Institute of Fundamental Technological Research, Ultrasound Department, Świętokrzyska 21, 00-049 Warsaw, POLAND
autor
- Polish Academy of Sciences, Institute of Fundamental Technological Research, Ultrasound Department, Świętokrzyska 21, 00-049 Warsaw, POLAND
Bibliografia
- [1] E.Radulescu,J.Wójcik,P.A.Lewin,A.Nowicki, Nonlinear Propagation Model for Ultrasound Hydrophones Calibration in the Frequency Range up to100 MHz, Ultrasonic (Elsevier), Vol.41,Number 4,239-245,June 2003.
- [2] E.Radulescu,P.A.Lewin,J.Wójcik,A.Nowicki, Calibration of Ultrasonic Hydrophone Probes up to 100MHz using Time Gating Frequency Analysis and Finite Amplitude Waves, Ultrasonic (Elsevier), Vol.41,Number 4,247-254,June 2003.
- [3] J.Wójcik,P.A.Lewin,A.Nowicki,L.Filipczyński,T.Kujawska,E.Radulescu, Nonlinear equations of acoustics – numerical solutions and their visualization, Hydroacoustics, vol. 5/6,ISSN 1642-1817,137-142, 2003
- [4] J.Wójcik,P.A.Lewin,A.Nowicki,E.Radulescu, Effective algorithm for 3D and 4D solutions in nonlinear acoustics, Conference- Ultrasonics International 2003,Granada 30 June 3 July, Ultrasonic, a publication of Elsevier, Abstract Book,2003.
- [5] E.Radulescu,J.Wójcik,P.A.Lewin,A.Nowicki, A Novel Method for Characterization of Nonlinear Propagation and Spatial Averaging Effects for Ultrasound Imaging Systems,in Proceedings of IEEE 29th Annual Northeast Bioengineering Conference Symposium, Trenton USA, April 2003.
- [6] P.Christopher,K.Parker, New approches to nonlinear diffractive field propagation J. Acoust. Soc. Am.,90,488-499,1991.
- [7] J.Wójcik,Conservation of energy and absorption in acoustic fields for linear and nonlinear propagation, J.Acoust.Soc.Am.,104 (5), 2654-2663,1998.
- [8] J.Wójcik, Dispersion and Energy Losses, Solid State Phenomena,Vol.89,335-342, (c 2003 Scitec Publications Switzerland),2003.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BWM8-0033-0028