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Hybridizing physical optics with MLFMA for efficient scattering computations of three-dimensional complex targets
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Date
2009-07-23
Author
Manyas, Alp
Ergül, Özgür Salih
Gürel, Levent
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The multilevel fast multipole algorithm (MLFMA) provides accurate and efficient solutions of electromagnetic scattering problems involving large and complicated structures. On the other hand, whenever applicable, accelerations provided by approximation techniques can be useful to further improve the efficiency of solutions. In this paper, we present a hybrid technique, which combines the physical-optics (PO) method and MLFMA for efficient scattering computations of three-dimensional objects. We show that, with a careful choice of MLFMA and PO regions on the structure, the number of unknowns can be reduced and solutions can be accelerated significantly, without sacrificing the accuracy. The proposed hybrid technique is easy to implement by modifying existing MLFMA codes.
Subject Keywords
Physical Optics
,
Optical Scattering
,
Optical Computing
,
Physics Computing
,
Electromagnetic Scattering
,
Integral Equations
,
MLFMA
,
Acceleration
,
Tin
,
Testing
URI
https://hdl.handle.net/11511/39902
DOI
https://doi.org/10.1109/cem.2009.5228101
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Department of Electrical and Electronics Engineering, Conference / Seminar
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BibTeX
A. Manyas, Ö. S. Ergül, and L. Gürel, “Hybridizing physical optics with MLFMA for efficient scattering computations of three-dimensional complex targets,” 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39902.