Wideband Fast Kernel-Independent Modeling of Large Multiscale Structures Via Nested Equivalent Source Approximation

We propose a wideband fast kernel-independent modeling of large multiscale structures; we employ a nested equivalent source approximation (NESA) to compress the dense system matrix. The NESA was introduced by these authors for low and moderate frequency problems (smaller than a few wavelengths); her...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2015-05, Vol.63 (5), p.2122-2134
Hauptverfasser:	Mengmeng Li, Francavilla, Matteo Alessandro, Rushan Chen, Vecchi, Giuseppe
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation algorithms Approximation methods Couplings fast solvers Integral equations Kernel low-rank approximation Surface treatment Testing Wideband
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