About: Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.engmech.cz/2012/proceedings/pdf/219_Leps_M-FT.pdf
Description	The present paper describes the application of the particle swarm optimization (PSO) to the shape optimization of two-dimensional domains described by NURBS and analyzed by the NURBS-based Isogeometric analysis. The regularization of the optimization problem, preventing undesirable clustering of control points of the underlying geometry leading to invalid geometry or parametrization, is achieved by controlling the magnitude of perturbation of design variables within PSO using a background mesh. This mesh, however, does not have to comply with requirements on a standard (e.g. FEM) computational mesh, as it does not have to follow the exact geometry. Thus construction of such mesh (Matlab Distmesh tool is utilized) is simple and does not introduce a bottleneck to the whole process. The capabilities and performance of the developed optimization strategy will be demonstrated on a standard benchmark problem. The present paper describes the application of the particle swarm optimization (PSO) to the shape optimization of two-dimensional domains described by NURBS and analyzed by the NURBS-based Isogeometric analysis. The regularization of the optimization problem, preventing undesirable clustering of control points of the underlying geometry leading to invalid geometry or parametrization, is achieved by controlling the magnitude of perturbation of design variables within PSO using a background mesh. This mesh, however, does not have to comply with requirements on a standard (e.g. FEM) computational mesh, as it does not have to follow the exact geometry. Thus construction of such mesh (Matlab Distmesh tool is utilized) is simple and does not introduce a bottleneck to the whole process. The capabilities and performance of the developed optimization strategy will be demonstrated on a standard benchmark problem. (en)
Title	Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis (en)
skos:prefLabel	Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis (en)
skos:notation	RIV/68407700:21110/12:00193912!RIV13-GA0-21110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA103/09/2009), P(GAP105/12/1146)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Patzák, Bořek Rypl, Daniel Lepš, Matěj Pospíšilová, Adéla
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	167691
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/12:00193912
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Shape Optimization; Particle Swarm Optimization; Nurbs; Isogeometric Analysis; Distmesh (en)
http://linked.open.../riv/klicoveSlovo	Distmesh Isogeometric Analysis Nurbs Shape Optimization Particle Swarm Optimization
http://linked.open...ontrolniKodProRIV	[B53961886506]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics 2012
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Methods for paralelization of engineering problems using low-cost technologies Isogeometric Analysis in Structural Mechanics
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Lepš, Matěj Patzák, Bořek Rypl, Daniel Pospíšilová, Adéla
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-05-14 (xsd:date)
number of pages	11 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav teoretické a aplikované mechaniky AV ČR
https://schema.org/isbn	978-80-86246-40-6
http://localhost/t...ganizacniJednotka	21110
is http://linked.open...avai/riv/vysledek of	Shape Optimization by Particle Swarm Algorithm Utilizing Isogeometric Analysis

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