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|Title:||Treatment of arbitrary-shaped boundaries with the finite-volume time-domain (FVTD) method|
|Citation:||Proceedings of 17th International Wroclaw Symposium and Exhibition on EMC, Wroclaw, Poland, June 29- July 1, 2004: pp. 445-450.|
|Conference Name:||International Wroclaw Symposium and Exhibition on Electromagnetic Compatibility (2004 : Wroclaw, Poland)|
|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|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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