A Multi-Resolution basis for the analysis of wire-surface structures

Vipiana, F.; Vecchi, G.; Wilton, Donald R.

doi:10.1109/aps.2009.5172024

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2009

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“…At present, MR (hierarchic) bases can be constructed on arbitrary 3D structures discretized with RWG functions on surfaces, piecewise linear (PWL) functions on wires, and junction functions on wire-surface attachments [15] [16]. They allow to safely address large and complex, multi-scale problems like antennas on platforms, naval structures etc.…”

Section: Introductionmentioning

confidence: 99%

Multi-resolution approach to three-dimensional method-of-moments problems

Vipiana

Francavilla

Andriulli

et al. 2009

2009 Computational Electromagnetics International Workshop

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Objectives, expectations and difficulties associated to the use of multi-resolution (MR) constructs in integral equation, method of moments (MoM) are reviewed and put in a contemporary perspective. A MR approach is presented that can be applied to any mesh without any constrain on the structure topology. The so-obtained MR basis positively affects the spectrum of the MoM matrix, affording an efficient (multiplicative) preconditioner. The reasons of this are explained in terms of the dual spatial-spectral resolution of the MR basis.

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Section: Introductionmentioning

confidence: 99%