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Paper detail

Accelerating non-local exchange in generalized optimized Schwarz methods

The generalized optimised Schwarz method proposed in [Claeys & Parolin, 2022] is a variant of the Després algorithm for solving harmonic wave problems where transmission conditions are enforced by means of a non-local exchange operator. We introduce and analyse an acceleration technique that significantly reduces the cost of applying this exchange operator without deteriorating the precision and convergence speed of the overall domain decomposition algorithm.

preprint2024arXivOpen access
Roxane AtchekzaiXavier Claeys
math.NANumerical Analysis
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Roxane AtchekzaiXavier Claeys

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