IEE Colloquium on High Frequency Electromagnetic Modelling Techniques

30-30 March 1995

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  • Finite element analysis of bounded and unbounded electromagnetic wave problems

    Publication Year: 1995, Page(s):1/1 - 1/3
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (241 KB)

    Presents high frequency electromagnetic field computations using vector finite elements in three dimensions. The work addresses both bounded and unbounded problems. Bounded problems are concerned with closed structures and guided waves (resonators, waveguides, microwave junctions) and lead to resonance problems (free oscillations analysis) or driven problems (forced oscillation analysis). Unbounde... View full abstract»

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  • Implementing wires in time domain CEM codes

    Publication Year: 1995, Page(s):2/1 - 2/6
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (202 KB)

    Outlines the implementation of conducting wires in time domain CEM codes. In particular the Sowerby Research Centre Electromagnetic codes EMMA T:FD3D and EMMA T:FESD. These are based on a cubical structured mesh and an unstructured mesh using tetrahedral elements respectively. The purpose of the paper is to describe the features of the two codes and to discuss their implementation. View full abstract»

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  • Antenna design using MSC/EMAS

    Publication Year: 1995, Page(s):3/1 - 316
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (908 KB)

    Finite element software has many features which made it attractive for antenna designers. In particular MSC/EMAS has special open boundary elements (which are based on Bayliss Turkel approximations) which allow the finite element mesh to be terminated with minimal boundary reflection. These elements do not penalise the complexity of the resulting matrix equation and hence there is very little addi... View full abstract»

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  • Transmission-line modelling (TLM) as a high frequency numerical modelling tool

    Publication Year: 1995, Page(s):4/1 - 4/5
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (327 KB)

    Transmission-line modelling (TLM) is a numerical modelling technique rapidly growing in popularity. In its present form, TLM is approximately 25 years old, however, its roots date back to the 1940s. The increased development can be attributed to significant developments in computing power, giving rise to application areas including electromagnetics, acoustics, thermal modelling and electric circui... View full abstract»

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