Parallel Schwarz Waveform Relaxation Algorithm for an N-dimensional semilinear heat equation

Tran, Minh-Binh

ESAIM: Mathematical Modelling and Numerical Analysis , Tome 48 (2014) no. 3, pp. 795-813.

We present in this paper a proof of well-posedness and convergence for the parallel Schwarz Waveform Relaxation Algorithm adapted to an N-dimensional semilinear heat equation. Since the equation we study is an evolution one, each subproblem at each step has its own local existence time, we then determine a common existence time for every problem in any subdomain at any step. We also introduce a new technique: Exponential Decay Error Estimates, to prove the convergence of the Schwarz Methods, with multisubdomains, and then apply it to our problem.

Classification : 65M12
Mots clés : domain decomposition, waveform relaxation, Schwarz methods, semilinear heat equation

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