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• Deflated Preconditioned Solvers for Parametrized Local Model Order Reduction

  Publication

  • M. Mul
  • M. Mrozowski

  - Year 2020

  One of steps in the design of microwave filters is numerical tuning using full-wave simulators. Typically, it is a time-consuming process as it uses advanced computational methods, e.g. the finite-element method (FEM) and it usually requires multiple optimization steps before the specification goals are met. FEM involves solving a large sparse system of equations at many frequency points and therefore its computational cost is...