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Efficient computer simulation of EMC problems with time domain algorithms

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3 Author(s)
D. Johns ; CST of America Inc., 492 Old Connecticut Path, Framingham MA 01701 ; I. Munteanu ; T. Weiland

Computer simulation of electromagnetic field problems has become a key tool in dealing with EMC problems. In particular time domain algorithms are best suited, as they are able to deliver broad band results by their very nature in an easy way. There are several time domain approaches such as FDTD[1], TLM[2] and FIT[3,4] that are commonly used. In EMC problems, there are often rather challenging geometrical structures that make a straightforward analysis very expensive, if not impossible. Thin slots in big boxes for instance, metallic grids with small holes, small electronic devices placed in a large airplane, or any other geometrical situation with a large contrast in spatial dimensions require the development of special local modelling. We will present the state of the art in dealing with EMC problems for realistic applications and demonstrate the superior efficiency of modern algorithms employing such special models.

Published in:

Aerospace EMC, 2012 Proceedings ESA Workshop on

Date of Conference:

21-23 May 2012