Theoretical and numerical investigations of the acoustic field excited by submarine explosion | Zendy

Tang Liguo | Zendy; Xiaomei Xu | Zendy; Shengxing Liu | Zendy

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Theoretical and numerical investigations of the acoustic field excited by submarine explosion

Author(s) -

Tang Liguo,

Xiaomei Xu,

Shengxing Liu

Publication year - 2008

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.57.4251

Subject(s) - explosive material , dispersion (optics) , excited state , acoustics , mechanics , transient (computer programming) , point source , time domain , acoustic wave , acoustic dispersion , field (mathematics) , waveform , submarine , physics , geology , optics , computer science , oceanography , chemistry , mathematics , organic chemistry , quantum mechanics , voltage , pure mathematics , computer vision , operating system , nuclear physics

This paper simulates and analyzes numerically the dispersion characteristics of the waves propagating in the shallow-ocean overlying a semi-infinite elastic solid. The analytical solution of the acoustic field in the shallow-ocean, excited by an explosive point source in the solid bottom, is derived by using the theories for sound propagation in liquid and solid. The time-domain waveforms of transient acoustic field are simulated with the above analytical solution. The dispersion characteristics of the transient acoustic field are analyzed by using the smoothed pseudo Wigner-Ville distribution.

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