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PIER PIER B PIER C PIER M PIER Letters
2010-01-11
Sensitivity Analysis of 3-d Composite Structures through Linear Embedding via Green's Operators
By
Vito Lancellotti,

    Dr. Vito Lancellotti

    N/A

    N/A

    Italy

    Homepage

Bastiaan P. de Hon,

    Prof. Bastiaan P. de Hon

    Department of Electrical Engineering

    Eindhoven University of Technology

    The Netherlands

    Homepage

Antonius G. Tijhuis

    Prof. Antonius G. Tijhuis

    Electromagnetics Department

    Eindhoven University of Technology

    The Netherlands

    Homepage

Progress In Electromagnetics Research, Vol. 100, 309-325, 2010
doi:10.2528/PIER09120108
Abstract
We propose a methodology --- based on linear embedding via Green's operators (LEGO) and the eigencurrent expansion method (EEM) --- for solving electromagnetic problems involving large 3-D structures comprised of ND ≥ 1 bodies. In particular, we address the circumstance when the electromagnetic properties or the shape of one body differ from those of the others. In real-life structures such a situation may be either the result of a thoughtful design process or the unwanted outcome of fabrication tolerances. In order to assess the sensitivity of physical observables to localized deviations from the "ideal" structure, we follow a deterministic approach, i.e., we allow for a finite number of different realizations of one of the bodies. Then, for each realization we formulate the problem with LEGO and we employ the EEM to determine the contribution of the ND - 1 "fixed" bodies. Since the latter has to be computed only once, the overall procedure is indeed efficient. As an example of application, we investigate the sensitivity of a 2-layer array of split-ring resonators with respect to the shape and the offset of one element in the array.
Citation
Vito Lancellotti, Bastiaan P. de Hon, and Antonius G. Tijhuis, "Sensitivity Analysis of 3-d Composite Structures through Linear Embedding via Green's Operators," Progress In Electromagnetics Research, Vol. 100, 309-325, 2010.
doi:10.2528/PIER09120108
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