This paper presents how a plane wave excitation could be modeled in the context of the discrete geometric approach (DGA) by means of an impedance boundary condition, a capability that DGA was lacking. A methodology for the construction of an equivalent model of an anechoic wall is then presented as an application of the developed theory. The advantages of the resulting model are twofold: considering all the geometric details of the anechoic material requires more computational resources; in addition when an entire anechoic chamber is to be modeled, it is easier to deal with a flat wall rather than one covered with cones and ferrite tiles. The proposed equivalent model allows for a great simplification, while maintaining a good degree of accuracy.
Plane wave excitation for frequency domain electromagnetic problems by means of impedance boundary condition / Chialina, S.; Cicuttin, M.; Codecasa, L.; Specogna, R.; Trevisan, F.. - In: IEEE TRANSACTIONS ON MAGNETICS. - ISSN 0018-9464. - ELETTRONICO. - 51:3(2015), pp. 1-4. [10.1109/TMAG.2014.2358701]
Plane wave excitation for frequency domain electromagnetic problems by means of impedance boundary condition
Cicuttin M.;
2015
Abstract
This paper presents how a plane wave excitation could be modeled in the context of the discrete geometric approach (DGA) by means of an impedance boundary condition, a capability that DGA was lacking. A methodology for the construction of an equivalent model of an anechoic wall is then presented as an application of the developed theory. The advantages of the resulting model are twofold: considering all the geometric details of the anechoic material requires more computational resources; in addition when an entire anechoic chamber is to be modeled, it is easier to deal with a flat wall rather than one covered with cones and ferrite tiles. The proposed equivalent model allows for a great simplification, while maintaining a good degree of accuracy.File | Dimensione | Formato | |
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Plane Wave Excitation for Frequency Domain Electromagnetic Problems by Means of Impedance Boundary Condition.pdf
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https://hdl.handle.net/11583/2978969