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Type: Conference paper
Title: Treatment of arbitrary-shaped boundaries with the finite-volume time-domain (FVTD) method
Author: Baumann, D.
Fumeaux, C.
Vahldieck, R.
Citation: Proceedings of 17th International Wroclaw Symposium and Exhibition on EMC, Wroclaw, Poland, June 29- July 1, 2004: pp. 445-450.
Issue Date: 2004
Conference Name: International Wroclaw Symposium and Exhibition on Electromagnetic Compatibility (2004 : Wroclaw, Poland)
Statement of
Dirk Baumann, Christophe Fumeaux and Rudiger Vahldieck
Abstract: The use of unstructured meshes enables the Finite-Volume Time-Domain (FVTD) method to deal with arbitrarily shaped boundaries. A selection of different boundary conditions that can be applied to surfaces is presented in this paper: dielectric interfaces, ports, perfect conductors and absorbing boundaries. The successful treatment of arbitrarily shaped boundaries is proved on the basis of two examples. First, the simulation of a corrugated horn antenna with the use of homogenized boundaries is presented. Second, a broadband double-ridged horn antenna including oblique and curved surfaces is investigated. Both examples are embedded in computational domains with boundaries shaped to minimize reflections.
Keywords: FVTD
boundary conditions
corrugated horn
broadband double-ridged horn antenna
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Electrical and Electronic Engineering publications

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