Influence of the barriers on the ultrasonic nonlinear field distribution | Zendy

Li Jun-Lun | Zendy; Xiaozhou Liu | Zendy; Dong Zhang | Zendy; Xiufen Gong | Zendy

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Influence of the barriers on the ultrasonic nonlinear field distribution

Author(s) -

Li Jun-Lun,

Xiaozhou Liu,

Dong Zhang,

Xiufen Gong

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.2809

Subject(s) - ultrasonic sensor , nonlinear system , acoustics , field (mathematics) , field intensity , frequency domain , time domain , distribution (mathematics) , materials science , physics , mechanics , computer science , mathematical analysis , nuclear magnetic resonance , mathematics , quantum mechanics , pure mathematics , computer vision

Based on Khokhlov-Zabolotkaya-Kuznetsov (KZK) equation in frequency-domain, an approach to study the three-dimensional asymmetric nonlinear ultrasonic field is developed in this paper. The ultrasonic nonlinear field distribution behind the simulated rib-like barriers is investigated by numerical simulation and compared with the measured results. In addition, the influence of the barriers on the spatial-and-time-averaged intensity is discussed, which is helpful for future study on the HIFU treatment behind the ribs.

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