Bruno, Oscar P. and Kunyansky, Leonid A. (2001) Fast, high-order solution of surface scattering problems. In: IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting. Vol.2. IEEE , Piscataway, NJ, pp. 554-557. ISBN 0-7803-7070-8. https://resolver.caltech.edu/CaltechAUTHORS:20181106-144801749
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Abstract
We present a new algorithm for the numerical solution of problems of acoustic scattering by surfaces in three-dimensional space. This algorithm evaluates the scattered field, through fast, high-order solution of the boundary integral equation. The high-order of the solver is achieved through use of partition of unity together with analytical resolution of kernel singularities. The acceleration in turn, results from a novel approach which, based on high-order "two-face" equivalent source approximations, reduces the evaluation of far interactions to evaluation of 3-D FFTs. We demonstrate its performance with a variety of numerical results. In particular, we show that the present algorithm can evaluate accurately in a personal computer, scattering from bodies of acoustical sizes of several hundreds.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2001 IEEE. Effort sponsored by the AFOSR under grant numbers F49620-96-1-0008 and F49620-99-1-0010. | ||||||
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| DOI: | 10.1109/APS.2001.959784 | ||||||
| Record Number: | CaltechAUTHORS:20181106-144801749 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20181106-144801749 | ||||||
| Official Citation: | O. P. Bruno and L. A. Kunyansky, "Fast, high-order solution of surface scattering problems," IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229), Boston, MA, USA, 2001, pp. 554-557 vol.2. | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 90676 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 07 Nov 2018 21:05 | ||||||
| Last Modified: | 16 Nov 2021 03:34 |
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