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    Objective selection of minimum acceptable mesh refinement for electromagnetic simulation

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    Full paper - draft (848Kb)
    Date
    2015-04-29
    Author
    Duffy, A. P.;
    Zhang, Gang;
    Koziel, Slawomir;
    Wang, Lixin
    Metadata
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    Abstract
    Optimization of computational electromagnetics (EM) simulation models can be costly in both time and computing resource. Mesh refinement is a key parameter in determining the number of unknowns to be processed, which, in turn, controls the time and memory required. Hence, it is important to use only a mesh that is good enough for the objectives of the simulation. This might be for direct handling of high-fidelity EM models or, even more importantly, for setting up low-fidelity models in variable-fidelity optimization. On the other hand, in the early stages of an optimization process, a relatively coarse mesh can show whether the governing parameters of the simulation are being appropriately modeled. As the simulation geometry approaches its target, then so to can the mesh definition become more refined. This paper presents an approach to identify the minimum acceptable mesh coarseness based on the projected evolution of FSV’s Global Difference Measure as a model is refined from a very crude representation. Our approach is demonstrated using two examples of antenna structures.
    Description
    The file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link.
    Citation : Duffy, A.P., Zhang, G., Koziel, S. and Wang, L. (2015) Objective Selection of Minimum Acceptable Mesh Refinement for EMC Simulations. IEEE Transactions on Electromagnetic Compatibility, 57 (5), pp. 1266-1269
    URI
    http://hdl.handle.net/2086/12864
    DOI
    http://dx.doi.org/10.1109/TEMC.2015.2417523
    Research Group : Centre for Electronic and Communications Engineering
    Research Institute : Institute of Engineering Sciences (IES)
    Peer Reviewed : Yes
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    • School of Engineering and Sustainable Development [1950]

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