Title :
Multilevel fast multipole algorithm (MLDM) for complex objects
Author :
Song, J.M. ; Lu, C.-C. ; Chew, W.C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA
Abstract :
The fast multipole method (FMM) and multilevel fast multipole algorithm (MLFMA) have been applied for solving integral equations of electromagnetic scattering iteratively. FMM reduces the complexity of a matrix-vector multiply from O(N/sup 2/) to O(N
Keywords :
aircraft; computational complexity; convergence of numerical methods; electromagnetic wave scattering; integral equations; iterative methods; radar cross-sections; RCS; closed smooth objects; combined field integral equation; complexity; electromagnetic scattering; first guess; integral equations; large complex 3D objects; multilevel fast multipole algorithm; preconditioner; singularity extraction; Computational electromagnetics; Electromagnetic scattering; Filtering; Impedance; Integral equations; Interpolation; MLFMA; Magnetic fields; NASA; Null space;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1996. AP-S. Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-3216-4
DOI :
10.1109/APS.1996.549936
