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    A Hybrid Computational Electromagnetics Formulation for Simulation of Antennas Coupled to Lossy and Dielectric Volumes 

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    Publication date
    2004
    Author
    Abd-Alhameed, Raed A.
    Excell, Peter S.
    Mangoud, Mohab A.
    Keyword
    Simulation
    Equivalence principle
    Dielectric materials
    Lossy medium
    Finite difference time-domain analysis
    Moment method
    Plane antenna
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    A heterogeneous hybrid computational electromagnetics method is presented, which enables different parts of an antenna simulation problem to be treated by different methods, thus enabling the most appropriate method to be used for each part. The method uses a standard frequency-domain moment-method program and a finite-difference time-domain program to compute the fields in two regions. The two regions are interfaced by surfaces on which effective sources are defined by application of the Equivalence Principle. An extension to this permits conduction currents to cross the boundary between the different computational domains. Several validation cases are examined and the results compared with available data. The method is particularly suitable for simulation of the behavior of an antenna that is partially buried, or closely coupled with lossy dielectric volumes such as soil, building structures or the human body.
    URI
    http://hdl.handle.net/10454/3834
    Version
    No full-text available in the repository
    Citation
    Abd-Alhameed, R.A., Excell, P.S. and Mangoud, M.A. (2004). A Hybrid Computational Electromagnetics Formulation for Simulation of Antennas Coupled to Lossy and Dielectric Volumes. IEEE Transactions on Broadcasting. Vol. 50, No. 3, pp. 253-259.
    Link to publisher’s version
    http://dx.doi.org/10.1109/TBC.2004.834008
    Type
    Article
    Collections
    Engineering and Digital Technology Publications

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