Journal article
An optimal PE-type wave equation
The Journal of the Acoustical Society of America, Vol.86(1), pp.228-233
07/01/1989
DOI: 10.1121/1.398338
Abstract
A one-way wave equation is presented with the following properties. (1) For low angles and small sound-speed variations, it reduces to the standard parabolic approximation. (2) It allows a split-step solution. (3) The rays associated with this equation are exactly the rays of the Helmholtz equation in a range-independent environment. It is in the last sense an optimal one-way wave equation. Results of the split-step solution of this equation are presented and compared to normal-mode calculations and results of another modification of the standard parabolic equation, which was given by Thomson and Chapman [D. J. Thomson and N. R. Chapman, J. Acoust. Soc. Am. 74, 1848–1854 (1983)].
Details
- Title: Subtitle
- An optimal PE-type wave equation
- Creators
- David H. Berman - United States Naval Research LaboratoryEvan B. Wright - United States Naval Research LaboratoryRalph N. Baer - United States Naval Research Laboratory
- Resource Type
- Journal article
- Publication Details
- The Journal of the Acoustical Society of America, Vol.86(1), pp.228-233
- DOI
- 10.1121/1.398338
- ISSN
- 0001-4966
- eISSN
- 1520-8524
- Language
- English
- Date published
- 07/01/1989
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627191102771
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