Numerische Mathematik

, Volume 102, Issue 1, pp 67–92 | Cite as

Numerical solution of a heat diffusion problem by boundary element methods using the Laplace transform



This paper is concerned with a heat diffusion problem in a half-space which is motivated by the detection of material defects using thermal measurements. This problem is solved by inverting the Laplace transform with respect to time on a contour in the complex plane using an exponentially convergent quadrature rule. This leads to a finite number of time-independent problems, which can be solved in parallel using boundary integral equation methods. We provide a full numerical analysis of this scheme on compact time intervals. Our results are formulated in a way that they can easily be used for other diffusion problems in exterior or interior domains.

Mathematics Subject Classification (2000)

65N38 65M12 44A10 35K45 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  1. 1.Institut für Numerische und Angewandte MathematikUniversität GöttingenGöttingenGermany
  2. 2.Deparmento di Matemática Aplicada, C.P.S.Universidad de ZaragozaZaragozaSpain

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