The Coulomb gauged vector potential formulation for the eddy-current problem in general geometry: well-posedness and numerical approximation

Biro, Oszkar and Valli, Alberto (2005) The Coulomb gauged vector potential formulation for the eddy-current problem in general geometry: well-posedness and numerical approximation. UNSPECIFIED. (Unpublished)

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    Abstract

    In this paper we prove that, in a general geometric situation, the Coulomb gauged vector potential formulation of the eddy-current problem for the time-harmonic Maxwell equations is well-posed, i.e., its solution exists and is unique. Moreover, a quasi-optimal error estimate for its finite element approximation with nodal elements is proved. To illustrate the performances of the finite element algorithm, some numerical results are also presented.

    Item Type: Departmental Technical Report
    Department or Research center: Mathematics
    Subjects: UNSPECIFIED
    Uncontrolled Keywords: Eddy-currents, vector potentials, Coulomb gauge, well-posedness, finite element approximation
    Report Number: UTM 682, May 2005
    Repository staff approval on: 25 Jul 2005

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