BIP! Finder - A higher-order split-step Fourier parabolic-equation sound propagation solution scheme

2012 • A higher-order split-step Fourier parabolic-equation sound propagation solution scheme

Authors: Lin, Ying-Tsong; Duda, Timothy F.

Venue: The Journal of the Acoustical Society of America

Type: Publication

Abstract: A three-dimensional Cartesian parabolic-equation model with a higher-order approximation to the square-root Helmholtz operator is presented for simulating underwater sound propagation in ocean waveguides. The higher-order approximation includes cross terms with the free-space square-root Helmholtz operator and the medium phase speed anomaly. It can be implemented with a split-step Fourier algorithm to solve for sound pressure in the model. Two idealized ocean waveguide examples are presented to demonstrate the performance of this numerical tech... (read more)

Impact:

1.29037225E-8 5.208443E-9 29 6

/ Attention: 0 27

Topics: Mathematical analysis Acoustics

DOI: 10.1121/1.4730328

External links: Crossref OpenAIRE

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