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  • Polarizablity of 2D and 3D conducting objects using method of moments

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    Author(s)
    Shahpari, M
    Thiel, DV
    Lewis, A
    Griffith University Author(s)
    Thiel, David V.
    Lewis, Andrew J.
    Year published
    2012
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    Abstract
    Fundamental antenna limits of the gain-bandwidth product are derived from polarizability calculations. This electrostatic technique has significant value in many antenna evaluations. Polarizability is not available in closed form for most antenna shapes and no commercial electromagnetic packages have this facility. Numerical computation of the polarizability for arbitrary conducting bodies was undertaken using an unstructured triangular mesh over the surface of 2D and 3D objects. Numerical results compare favourably with analytical solutions and can be implemented efficiently for large structures of arbitrary shape.Fundamental antenna limits of the gain-bandwidth product are derived from polarizability calculations. This electrostatic technique has significant value in many antenna evaluations. Polarizability is not available in closed form for most antenna shapes and no commercial electromagnetic packages have this facility. Numerical computation of the polarizability for arbitrary conducting bodies was undertaken using an unstructured triangular mesh over the surface of 2D and 3D objects. Numerical results compare favourably with analytical solutions and can be implemented efficiently for large structures of arbitrary shape.
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    Journal Title
    ANZIAM Journal
    Volume
    54
    Publisher URI
    http://journal.austms.org.au/ojs/index.php/ANZIAMJ/article/view/6405
    Copyright Statement
    © 2013 Australian Mathematical Society. Published by Cambridge University Press. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Mathematical sciences
    Numerical solution of differential and integral equations
    Optimisation
    Engineering
    Antennas and propagation
    Publication URI
    http://hdl.handle.net/10072/54754
    Collection
    • Journal articles

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