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      Solution of extremely large integral-equation problems 

      Ergül, Özgür; Malas, Tahir; Gürel, Levent (IEEE, 2007)
      We report the solution of extremely large integral-equation problems involving electromagnetic scattering from conducting bodies. By orchestrating diverse activities, such as the multilevel fast multipole algorithm, iterative ...
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      Preconditioning iterative MLFMA solutions of integral equations 

      Gürel, Levent; Malas, Tahir; Ergül, Özgür (IEEE, 2010)
      The multilevel fast multipole algorithm (MLFMA) is a powerful method that enables iterative solutions of electromagnetics problems with low complexity. Iterative solvers, however, are not robust for three-dimensional complex ...
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      Analysis of photonic-crystal problems with MLFMA and approximate Schur preconditioners 

      Ergül, Özgür; Malas, Tahir; Kılınç, Seçil; Sarıtaş, Serkan; Gürel, Levent (IEEE, 2009-07)
      We consider fast and accurate solutions of electromagnetics problems involving three-dimensional photonic crystals (PhCs). Problems are formulated with the combined tangential formulation (CTF) and the electric and magnetic ...
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      Solutions of large integral-equation problems with preconditioned MLFMA 

      Ergül, Özgür; Malas, Tahir; Ünal, Alper; Gürel, Levent (IEEE, 2007)
      We report the solution of the largest integral-equation problems in computational electromagnetics. We consider matrix equations obtained from the discretization of the integral-equation formulations that are solved ...
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      Parallel preconditioners for solutions of dense linear systems with tens of millions of unknowns 

      Malas, Tahir; Ergül, Özgür; Gürel, Levent (2007-11)
      We propose novel parallel preconditioning schemes for the iterative solution of integral equation methods. In particular, we try to improve convergence rate of the ill-conditioned linear systems formulated by the electric-field ...

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      AuthorErgül, Özgür (5)
      Gürel, Levent (5)
      Malas, Tahir (5)
      Kılınç, Seçil (1)Sarıtaş, Serkan (1)Ünal, Alper (1)Keywords
      Electromagnetism (5)
      Integral equations (4)Iterative methods (3)Iterative solutions (3)Preconditioners (3)Preconditioning techniques (3)Electromagnetic scattering (2)Electromagnetics (2)Magnetism (2)Multilevel fast multipole algorithm (MLFMA) (2)... View MoreDate Issued2007 (3)2009 (1)2010 (1)Has File(s)
      Yes (5)

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