Analysis of volume integral equation formulations for scattering by high-contrast penetrable objects

Johannes Markkanen*, Cai Cheng Lu, Xiande Cao, Pasi Ylä-Oijala

*Tämän työn vastaava kirjoittaja

    Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

    40 Sitaatiot (Scopus)

    Abstrakti

    The volume integral equation method is applied in electromagnetic scattering from arbitrarily shaped three-dimensional inhomogeneous objects. The properties of the volume electric and magnetic field integral equations (VEFIE and VMFIE) are investigated. Numerical experiments show that if the Galerkin's method with the lowest mixed-order basis functions is used to discretize the equations the accuracy of the VMFIE can be significantly poorer than the accuracy of the VEFIE, in particular, for high-contrast objects at high frequencies. The accuracy of the VMFIE can be essentially improved with full first order (linear) basis functions. The linear basis functions are found to be useful also when a single volume integral equation is used to model a general scatterer where both permittivity and permeability differ from the background.

    AlkuperäiskieliEnglanti
    Artikkeli6163361
    Sivut2367-2374
    Sivumäärä8
    JulkaisuIEEE Transactions on Antennas and Propagation
    Vuosikerta60
    Numero5
    DOI - pysyväislinkit
    TilaJulkaistu - 2012
    OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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