Fast direct (noniterative) solvers for integral-equation formulations of scattering problems

  title={Fast direct (noniterative) solvers for integral-equation formulations of scattering problems},
  author={Weng Cho Chew},
  journal={IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36},
  pages={298-301 vol.1}
  • Weng Cho Chew
  • Published in
    IEEE Antennas and Propagation Society…
For problems involving resonant or near-resonant structures, what is needed is a direct (noniterative) solver with reduced computational complexity. A family of such solvers are introduced. In addition to being alternatives to iterative solvers, fast direct solvers can also be used in the framework of iterative solvers as a preconditioner and to obtain accurate initial guess for parts of the geometry. In both cases, the objective is to utilize the direct solvers in a way to accelerate the… CONTINUE READING

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