8 August 2006 Optimization of the fast frequency sweep parameters in high frequency electromagnetic field simulation by vector finite element method
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Abstract
Implementation of well-conditioned Fast Frequency Sweep in vector finite element electromagnetic field simulation is described. Some aspects of its application to problems with lossy medium, absorbing boundary conditions and lumped elements are discussed. Results of field simulation in several test microwave systems demonstrate high efficiency of the method. Expressions for matrix elements in frequency expansions are presented. Eigenvalues calculated in a wide frequency range of more then 2 octaves with maximum moment power 19 show good agreements with the analytical values. Dependence of frequency range width on maximum moment power is investigated. It is shown that widest frequency band for given maximum moments order and a central frequency is obtained with central frequency is set as mean geometrical value of minimum and maximum frequencies of the band.
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A. D. Grigoriev, A. D. Grigoriev, R. V. Salimov, R. V. Salimov, R. I. Tichonov, R. I. Tichonov, } "Optimization of the fast frequency sweep parameters in high frequency electromagnetic field simulation by vector finite element method", Proc. SPIE 6165, Saratov Fall Meeting 2005: Laser Physics and Photonics, Spectroscopy and Molecular Modeling VI, 616505 (8 August 2006); doi: 10.1117/12.696838; https://doi.org/10.1117/12.696838
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