4.6 Article

Accelerating convergence of iterative solution of finite difference frequency domain problems via schur complement domain decomposition

Journal

OPTICS EXPRESS
Volume 26, Issue 13, Pages 16925-16939

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.26.016925

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Funding

  1. Air Force Office of Scientific Research (AFOSR) [FA9550-15-1-0335, FAFA9550-17-1-0002]
  2. Defense Advanced Research Project Agency [HR00111720034]
  3. U.S. Department of Energy (DOE) Office of Science (SC) [DE-AC05-06OR23100]

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We show that iterative solution of Maxwell's equations using the finite-difference frequency-domain method can be significantly accelerated by using a Schur complement domain decomposition method. We account for the improvement by analyzing the spectral properties of the linear systems resulting from the use of the domain decomposition method. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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