Calculation of capacitances and inductances of ring conductors in a stratified medium

Tommi Dufva, Johan Sten

    Research output: Contribution to journalArticleScientificpeer-review


    The paper presents an accurate and efficient method for calculating the capacitances and the inductances of thick-ring conductors in a stratified medium. These parameters are evaluated from the charges and the currents found from two separate surface integral equations using the Galerkin method. The relevant Green's functions are written in a spatial-spectral hybrid form, and the hybrid method is pursued further to the evaluation of the respective system matrix elements. The charges and the currents are estimated by using entire-domain basis functions including the physically correct edge behaviour of the distributions on the conductors with a rectangular cross-section.
    Original languageEnglish
    Pages (from-to)581-599
    Number of pages19
    Issue number8
    Publication statusPublished - 2006
    MoE publication typeA1 Journal article-refereed


    • capacitance
    • inductance
    • ring conductor
    • electrostatic surface integral equation
    • magnetostatic surface integral equation
    • spatial-spectral hybrid method
    • entire-domain basis functions
    • edge singularity


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