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Erschienen in:
2005 | OriginalPaper | Buchkapitel
On the Convergence and the Stability of the Parareal Algorithm to Solve Partial Differential Equations
verfasst von : Guillaume Bal
Erschienen in: Domain Decomposition Methods in Science and Engineering
Verlag: Springer Berlin Heidelberg
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After stating an abstract convergence result for the parareal algorithm used in the parallelization in time of general partial differential equations, we analyze the stability and convergence properties of the algorithm for equations with constant coefficients. We show that suitably damping coarse schemes ensure unconditional stability of the parareal algorithm and analyze how the regularity of the initial condition influences convergence in the absence of sufficient damping.