2001•IEEE Microwave and Wireless Components LettersRequires access

Reduced-order models in FDTD

Łukasz Kulas, M. Morozowski

Abstract

This letter describes a new hybrid technique for enhancing the efficiency of the finite difference time domain method (FDTD) by incorporation with in Yee's mesh a macromodel generated by an order reduction algorithm applied to the finite difference frequency domain (FDFD) wave equation defined on a higher resolution grid. This approach increases the accuracy of the calculations and reduces the overall simulation time.

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Key concepts: Finite-difference time-domain method, Finite difference method, Model order reduction, Finite difference, Reduction (mathematics), Grid, Frequency domain, Computer science