About: Fast Fourier Transform based Method for Modelling of Heterogeneous Materials

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.ugn.cas.cz/index.php?l=cz&a=&p=events/2011/sna/index.php
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 integral equation 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 to setting of internal parameters and a significant increase of the convergence rate for problems with high-contrast coefficients at a negligible overhead cost per iteration. 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 integral equation 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 to setting of internal parameters and a significant increase of the convergence rate for problems with high-contrast coefficients at a negligible overhead cost per iteration. (en)
Title	Fast Fourier Transform based Method for Modelling of Heterogeneous Materials Fast Fourier Transform based Method for Modelling of Heterogeneous Materials (en)
skos:prefLabel	Fast Fourier Transform based Method for Modelling of Heterogeneous Materials Fast Fourier Transform based Method for Modelling of Heterogeneous Materials (en)
skos:notation	RIV/68407700:21110/11:00181243!RIV12-MSM-21110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA103/09/1748), P(GP103/09/P490), S
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Zeman, Jan Vondřejc, Jaroslav Marek, Ivo
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	199363
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/11:00181243
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Heterogeneous materials, FFT (en)
http://linked.open.../riv/klicoveSlovo	FFT Heterogeneous materials
http://linked.open...ontrolniKodProRIV	[4B69D16CA0BA]
http://linked.open...v/mistoKonaniAkce	Rožnov pod Radhoštěm
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	SNA'11 Seminar on Numerical Analysis. Modelling and Simulation of Challenging Engineering Problems
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Integration of experimental nanoindentation with numerical tools for upscaling of nanomechanical properties of heteregeneous materials Simulation of heterogeneous materials based on integral equations
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Marek, Ivo Vondřejc, Jaroslav Zeman, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-01-24 (xsd:date)
number of pages	3 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav geoniky AV ČR
https://schema.org/isbn	978-80-86407-19-7
http://localhost/t...ganizacniJednotka	21110

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