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    An Efficient Method to Reduce the Numerical Dispersion in the HIE-FDTD Scheme

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    Date
    2011-01
    Author
    Chen, Juan
    Zhang, Anxue
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    Abstract
    A parameter optimized approach for reducing the numerical dispersion of the 3-D hybrid implicit-explicit finite-difference time-domain (HIE-FDTD) is presented in this letter. By adding a parameter into the HIE-FDTD formulas, the error of the numerical phase velocity can be controlled, causing the numerical dispersion to decrease significantly. The numerical stability and dispersion relation are presented analytically, and numerical experiments are given to substantiate the proposed method.
    URI
    http://hdl.handle.net/123456789/1070
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    • Computer Science & Communications [103]

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