A domain decomposition technique based on the multiscale seamless-domain method

We present a domain decomposition technique combining the finite-element analysis and a multiscale simulation scheme that is termed the seamless-domain method. This technique is applicable to any type of linear problems and has the below different features from conventional substructuring techniques...

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Autor principal:	Yoshiro SUZUKI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2017
Materias:	domain decomposition substructure superelement elasticity linear solvers multiscale Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/ee5d0a67c3ff43148be87fb4513810b0
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id	oai:doaj.org-article:ee5d0a67c3ff43148be87fb4513810b0
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spelling	oai:doaj.org-article:ee5d0a67c3ff43148be87fb4513810b02021-11-26T07:06:29ZA domain decomposition technique based on the multiscale seamless-domain method2187-974510.1299/mej.17-00145https://doaj.org/article/ee5d0a67c3ff43148be87fb4513810b02017-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/4/4/4_17-00145/_pdf/-char/enhttps://doaj.org/toc/2187-9745We present a domain decomposition technique combining the finite-element analysis and a multiscale simulation scheme that is termed the seamless-domain method. This technique is applicable to any type of linear problems and has the below different features from conventional substructuring techniques used for finite-element methods such as the super-elements. Adjacent substructures do not need to have the same finite-element mesh or the same node layout at their interface. Therefore, the proposed technique allows us to connect a substructure having a coarse mesh and another substructure having a fine mesh. Additionally, the neighboring substructures are partially overlapped each other around their interfacial region. The overlapped region attempts to generate continuous dependent-variable distribution(s) at the interfacial region. We present four types of numerical experiments related to linear elasticity to investigate practical feasibility of the proposed technique and evaluate an effect of different finite-element meshes in region shared by two substructures on the computational accuracy.Yoshiro SUZUKIThe Japan Society of Mechanical Engineersarticledomain decompositionsubstructuresuperelementelasticitylinear solversmultiscaleMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 4, Iss 4, Pp 17-00145-17-00145 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	domain decomposition substructure superelement elasticity linear solvers multiscale Mechanical engineering and machinery TJ1-1570
spellingShingle	domain decomposition substructure superelement elasticity linear solvers multiscale Mechanical engineering and machinery TJ1-1570 Yoshiro SUZUKI A domain decomposition technique based on the multiscale seamless-domain method
description	We present a domain decomposition technique combining the finite-element analysis and a multiscale simulation scheme that is termed the seamless-domain method. This technique is applicable to any type of linear problems and has the below different features from conventional substructuring techniques used for finite-element methods such as the super-elements. Adjacent substructures do not need to have the same finite-element mesh or the same node layout at their interface. Therefore, the proposed technique allows us to connect a substructure having a coarse mesh and another substructure having a fine mesh. Additionally, the neighboring substructures are partially overlapped each other around their interfacial region. The overlapped region attempts to generate continuous dependent-variable distribution(s) at the interfacial region. We present four types of numerical experiments related to linear elasticity to investigate practical feasibility of the proposed technique and evaluate an effect of different finite-element meshes in region shared by two substructures on the computational accuracy.
format	article
author	Yoshiro SUZUKI
author_facet	Yoshiro SUZUKI
author_sort	Yoshiro SUZUKI
title	A domain decomposition technique based on the multiscale seamless-domain method
title_short	A domain decomposition technique based on the multiscale seamless-domain method
title_full	A domain decomposition technique based on the multiscale seamless-domain method
title_fullStr	A domain decomposition technique based on the multiscale seamless-domain method
title_full_unstemmed	A domain decomposition technique based on the multiscale seamless-domain method
title_sort	domain decomposition technique based on the multiscale seamless-domain method
publisher	The Japan Society of Mechanical Engineers
publishDate	2017
url	https://doaj.org/article/ee5d0a67c3ff43148be87fb4513810b0
work_keys_str_mv	AT yoshirosuzuki adomaindecompositiontechniquebasedonthemultiscaleseamlessdomainmethod AT yoshirosuzuki domaindecompositiontechniquebasedonthemultiscaleseamlessdomainmethod
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A domain decomposition technique based on the multiscale seamless-domain method

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