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Efficient procedure for computing fields created by current modes

Efficient procedure for computing fields created by current modes

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An efficient method for computing the fields of large scatterers is presented. The current is expanded in terms of modes defined as complex exponential functions. The modes are represented efficiently by means of spline functions. Analytical expressions have been obtained to compute efficiently the fields due to the current modes.

Inspec keywords: computational electromagnetics; electromagnetic wave scattering; nonlinear functions; electromagnetic fields; splines (mathematics)

Other keywords: EM problems; complex exponential functions; current modes; electromagnetic problems; spline functions; field computation; electrically very large problems; large scatterers

Subjects: Electromagnetic wave propagation; Electromagnetic waves: theory; Electric and magnetic fields

References

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      • Z. Altman , R. Mittra . A technique for extrapolating numerically rigorous solutions of electromagnetic scattering problems to higher frequencies and their scaling properties. IEEE Trans. Antennas Propag. , 744 - 751
    2. 2)
      • W.C. Chew , J.-M. Jin , E. Michielssen , J. Song . (2001) Fast and efficient algorithms in computational electromagnetics.
    3. 3)
      • O. Gutierrez , F. Saez de Adana , F. Rivas , I. Gonzalez , M.F. Cátedra . Method to interpolate the induced current with a low amount of sample points by means of Bézier surfaces. Electron. Lett. , 177 - 178
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