Accelerated Cartesian Expansions for the Rapid Solution of Periodic Multiscale Problems

  title={Accelerated Cartesian Expansions for the Rapid Solution of Periodic Multiscale Problems},
  author={A. D. Baczewski and Daniel Dault and Balasubramaniam Shanker},
  journal={IEEE Transactions on Antennas and Propagation},
We present an algorithm for the fast and efficient solution of integral equations that arise in the analysis of scattering from periodic arrays of PEC objects, such as multiband frequency selective surfaces (FSS) or metamaterial structures. Our approach relies upon the method of Accelerated Cartesian Expansions (ACE) to rapidly evaluate the requisite potential integrals. ACE is analogous to FMM in that it can be used to accelerate the matrix vector product used in the solution of systems… CONTINUE READING


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