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Advances in Radio Science An open-access journal of the U.R.S.I. Landesausschuss in der Bundesrepublik Deutschland e.V.
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Volume 8
Adv. Radio Sci., 8, 13–18, 2010
https://doi.org/10.5194/ars-8-13-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Adv. Radio Sci., 8, 13–18, 2010
https://doi.org/10.5194/ars-8-13-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  30 Sep 2010

30 Sep 2010

An accelerated hybrid TLM-IE method for the investigation of shielding effectiveness

N. Fichtner and P. Russer N. Fichtner and P. Russer
  • Institute for High Frequency Engineering, Technische Universität München, Arcisstr. 21, 80333 München, Germany

Abstract. A hybrid numerical technique combining time-domain integral equations (TD-IE) with the transmission line matrix (TLM) method is presented for the efficient modeling of transient wave phenomena. This hybrid method allows the full-wave modeling of circuits in the time-domain as well as the electromagnetic coupling of remote TLM subdomains using integral equations (IE). By using the integral equations the space between the TLM subdomains is not discretized and consequently doesn't contribute to the computational effort. The cost for the evaluation of the time-domain integral equations (TD-IE) is further reduced using a suitable plane-wave representation of the source terms. The hybrid TD-IE/TLM method is applied in the computation of the shielding effectiveness (SE) of metallic enclosures.

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