About: Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems

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About: Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We are concerned with the time-dependent multiphysics problem of heat and moisture transfer in the context of civil engineering applications. The problem is challenging due to its multiscale nature (temperature usually propagates orders of magnitude faster than moisture), different characters of the two fields (moisture exhibits boundary layers which are not present in the temperature field), extremely long integration times (30 years or more), and lack of viable error control mechanisms. In order to solve the problem efficiently, we employ a novel multimesh adaptive higherorder finite element method (hp-FEM) based on dynamical meshes and adaptive time step control. We investigate the possibility to approximate the temperature and humidity fields on individual dynamical meshes equipped with mutually independent adaptivity mechanisms. Numerical examples related to a realistic nuclear reactor vessel simulation are presented. We are concerned with the time-dependent multiphysics problem of heat and moisture transfer in the context of civil engineering applications. The problem is challenging due to its multiscale nature (temperature usually propagates orders of magnitude faster than moisture), different characters of the two fields (moisture exhibits boundary layers which are not present in the temperature field), extremely long integration times (30 years or more), and lack of viable error control mechanisms. In order to solve the problem efficiently, we employ a novel multimesh adaptive higherorder finite element method (hp-FEM) based on dynamical meshes and adaptive time step control. We investigate the possibility to approximate the temperature and humidity fields on individual dynamical meshes equipped with mutually independent adaptivity mechanisms. Numerical examples related to a realistic nuclear reactor vessel simulation are presented. (en)
Title	Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems (en)
skos:prefLabel	Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems Adaptive hp-FEM with dynamical meshes for transient heat and moisture transfer problems (en)
skos:notation	RIV/61388998:_____/10:00347689!RIV11-AV0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/07/1455), P(IAA100760702), Z(AV0Z20570509)
http://linked.open...iv/cisloPeriodika	233
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šolín, Pavel Dubcová, Lenka
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	245391
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/10:00347689
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	multiphysics problems; heat and moisture transfer; higher-order methods (en)
http://linked.open.../riv/klicoveSlovo	heat and moisture transfer higher-order methods multiphysics problems
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[9C5499103FA4]
http://linked.open...i/riv/nazevZdroje	Journal of Computational and Applied Mathematics
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Methods of higher order of accuracy for solution of multi-physics coupled problems Modelling of Reinforcement-Matrix Interaction
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Dubcová, Lenka Šolín, Pavel Kruis, J.
http://linked.open...ain/vavai/riv/wos	000275965800005
http://linked.open...n/vavai/riv/zamer	Interaction of Electromagnetic Fields and Dynamics of Controlled Energy Conversions in Electrical Engineering
issn	0377-0427
number of pages	10 (xsd:int)

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