Fast Fourier Transform based homogenization solved by iterative solvers

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F10%3A00169425" target="_blank" >RIV/68407700:21110/10:00169425 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Fast Fourier Transform based homogenization solved by iterative solvers
Original language description
In this contribution, we present a new approach to accelerating the convergence of a FFT-based solver for numerical homogenization of complex periodic media proposed by Moulinec and Suquet. The approach relies on discretization of the governing integralequation by the trigonometric collocation method due to Vainikko, resulting in a linear system which can be efficiently solved using conjugate gradient methods. Computational experiments presented below confirm robustness of the algorithm with respect tosetting of internal parameters and a significant increase of the convergence rate for problems with high-contrast coefficients at a negligible overhead cost per iteration.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of International Conference on Modelling and Simulation 2010 in Prague
ISBN
978-80-01-04574-9
ISSN
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e-ISSN
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Number of pages
3
Pages from-to
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Publisher name
České vysoké učení technické v Praze
Place of publication
Praha
Event location
Praha
Event date
Jun 22, 2010
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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