Frequency-domain wave equation and its time-domain solutions in attenuating media.

  title={Frequency-domain wave equation and its time-domain solutions in attenuating media.},
  author={Nikolai V Sushilov and R. S. C. Cobbold},
  journal={The Journal of the Acoustical Society of America},
  volume={115 4},
Our purpose in this paper is to describe the wave propagation in media whose attenuation obeys a frequency power law. To achieve this, a frequency-domain wave equation was developed using previously derived causal dispersion relations. An inverse space and time Fourier transform of the solution to this algebraic equation results in a time-domain solution. It is shown that this solution satisfies the convolutional time-domain wave equation proposed by Szabo [J. Acoust. Soc. Am. 96, 491-500 (1994… CONTINUE READING
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