Efficient solution of the combined-field integral equation with the parallel multilevel fast multipole algorithm

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2007-08-31

Author

Gürel, Levent
Ergül, Özgür Salih

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We present fast and accurate solutions of large-scale scattering problems formulated with the combined-field integral equation. Using the multilevel fast multipole algorithm (MLFMA) parallelized on a cluster of computers, we easily solve scattering problems that are discretized with tens of millions of unknowns. For the efficient parallelization of MLFMA, we propose a hierarchical partitioning scheme based on distributing the multilevel tree among the processors with an improved load-balancing. The accuracy of the solutions is demonstrated on scattering problems involving spheres of various radii from 80λ to 110λ. In addition to canonical problems, we also present the solution of real-life problems involving complicated targets with large dimensions.

Subject Keywords

Integral equations , MLFMA , Electromagnetic scattering , Concurrent computing ,, Tin , Large-scale systems , Magnetic resonance , Virtual manufacturing , Testing , Computational electromagnetics

URI

https://hdl.handle.net/11511/36362

DOI

https://doi.org/10.1109/cem.2007.4387644

Conference Name

2007 Computational Electromagnetics Workshop

Collections

Department of Electrical and Electronics Engineering, Conference / Seminar

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Citation Formats

L. Gürel and Ö. S. Ergül, “Efficient solution of the combined-field integral equation with the parallel multilevel fast multipole algorithm,” presented at the 2007 Computational Electromagnetics Workshop, İzmir, Turkey, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36362.