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Your search keyword '"Immo Huismann"' showing total 3 results
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3 results on '"Immo Huismann"'

2. Cascadic Multigrid in a Spectral-Element Context

Author

Jörg Stiller, Jochen Fröhlich, and Immo Huismann

Subjects
010101 applied mathematics, Physics, Multigrid method, Applied mathematics, Context (language use), 010103 numerical & computational mathematics, 0101 mathematics, Element (category theory), 01 natural sciences
Published
2016
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3. Sum factorization of the static condensed Helmholtz equation in a three-dimensional spectral element discretization

Author

Lars Haupt, Jörg Stiller, Immo Huismann, and Jochen Fröhlich

Subjects
Discretization, Helmholtz equation, Operator (physics), Mathematical analysis, Degrees of freedom (statistics), law.invention, symbols.namesake, Factorization, law, Helmholtz free energy, symbols, Cartesian coordinate system, Element (category theory), Mathematics
Abstract

We propose a factorization technique for the Helmholtz operator of a static condensed, three-dimensional, cartesian spectral-element discretization, that yields linear complexity in the number of degrees of freedom. We then compare its performance to a reference implementation of the conventional, unfactorized approach. (© 2014 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim)

Published
2014
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