Acceleration of convergence of a two-level algorithm by smoothing transfer operators

Petr Vaněk

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Displaying similar documents to “Acceleration of convergence of a two-level algorithm by smoothing transfer operators”

Fast multigrid solver

Petr Vaněk (1995)

Applications of Mathematics

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In this paper a black-box solver based on combining the unknowns aggregation with smoothing is suggested. Convergence is improved by overcorrection. Numerical experiments demonstrate the efficiency.

A modification of the two-level algorithm with overcorrection

Stanislav Míka, Petr Vaněk (1992)

Applications of Mathematics

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In this paper we analyse an algorithm which is a modification of the so-called two-level algorithm with overcorrection, published in [2]. We illustrate the efficiency of this algorithm by a model example.