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Newmark-FDTD Formulation for Modified Lorentz Dispersive Medium and Its Equivalence to Auxiliary Differential Equation-FDTD with Bilinear Transformation
المؤلفون المشاركون
Park, Yong Bae
Choi, Hongjin
Cho, Jeahoon
Jung, Kyung-Young
المصدر
International Journal of Antennas and Propagation
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-7، 7ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-06-20
دولة النشر
مصر
عدد الصفحات
7
التخصصات الرئيسية
الملخص EN
The finite-difference time-domain (FDTD) method has been popularly utilized to analyze the electromagnetic (EM) wave propagation in dispersive media.
Various dispersion models were introduced to consider the frequency-dependent permittivity, including Debye, Drude, Lorentz, quadratic complex rational function, complex-conjugate pole-residue, and critical point models.
The Newmark-FDTD method was recently proposed for the EM analysis of dispersive media and it was shown that the proposed Newmark-FDTD method can give higher stability and better accuracy compared to the conventional auxiliary differential equation- (ADE-) FDTD method.
In this work, we extend the Newmark-FDTD method to modified Lorentz medium, which can simply unify aforementioned dispersion models.
Moreover, it is found that the ADE-FDTD formulation based on the bilinear transformation is exactly the same as the Newmark-FDTD formulation which can have higher stability and better accuracy compared to the conventional ADE-FDTD.
Numerical stability, numerical permittivity, and numerical examples are employed to validate our work.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Choi, Hongjin& Cho, Jeahoon& Park, Yong Bae& Jung, Kyung-Young. 2019. Newmark-FDTD Formulation for Modified Lorentz Dispersive Medium and Its Equivalence to Auxiliary Differential Equation-FDTD with Bilinear Transformation. International Journal of Antennas and Propagation،Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1157398
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Choi, Hongjin…[et al.]. Newmark-FDTD Formulation for Modified Lorentz Dispersive Medium and Its Equivalence to Auxiliary Differential Equation-FDTD with Bilinear Transformation. International Journal of Antennas and Propagation No. 2019 (2019), pp.1-7.
https://search.emarefa.net/detail/BIM-1157398
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Choi, Hongjin& Cho, Jeahoon& Park, Yong Bae& Jung, Kyung-Young. Newmark-FDTD Formulation for Modified Lorentz Dispersive Medium and Its Equivalence to Auxiliary Differential Equation-FDTD with Bilinear Transformation. International Journal of Antennas and Propagation. 2019. Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1157398
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1157398
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