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Linearly Implicit Finite Element Methods for the Time-Dependent Joule Heating Problem

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Abstract

Completely discrete numerical methods for a nonlinear elliptic-parabolic system, the time-dependent Joule heating problem, are introduced and analyzed. The equations are discretized in space by a standard finite element method, and in time by combinations of rational implicit and explicit multistep schemes. The schemes are linearly implicit in the sense that they require, at each time level, the solution of linear systems of equations. Optimal order error estimates are proved under the assumption of sufficiently regular solutions.

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Authors and Affiliations

  1. Computer Science Department, University of Ioannina, 451 10, Ioannina, Greece

    G. Akrivis

  2. Department of Mathematics, Chalmers University of Technology and Göteborg University, SE-412 96, Göteborg, Sweden

    S. Larsson

Authors
  1. G. Akrivis
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  2. S. Larsson
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Correspondence to G. Akrivis or S. Larsson.

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AMS subject classification (2000)

65M30, 65M15, 35K60

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Akrivis, G., Larsson, S. Linearly Implicit Finite Element Methods for the Time-Dependent Joule Heating Problem. Bit Numer Math 45, 429–442 (2005). https://doi.org/10.1007/s10543-005-0008-1

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  • DOI: https://doi.org/10.1007/s10543-005-0008-1

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