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Shape-optimization of 2D hydrofoils using an Isogeometric BEM solver

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dc.contributor.author Kostas, K.V.
dc.contributor.author Ginnis, A.I.
dc.contributor.author Politis, C.G.
dc.contributor.author Kaklis, P.D.
dc.creator K.V., Kostas
dc.date.accessioned 2017-12-22T08:48:10Z
dc.date.available 2017-12-22T08:48:10Z
dc.date.issued 2017-01-01
dc.identifier DOI:10.1016/j.cad.2016.07.002
dc.identifier.citation K.V. Kostas, A.I. Ginnis, C.G. Politis, P.D. Kaklis, Shape-optimization of 2D hydrofoils using an Isogeometric BEM solver, In Computer-Aided Design, Volume 82, 2017, Pages 79-87 en_US
dc.identifier.issn 00104485
dc.identifier.uri https://www.sciencedirect.com/science/article/pii/S0010448516300653
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/3051
dc.description.abstract Abstract In this paper, an optimization procedure, based on an Isogeometric BEM solver for the potential flow, is developed and used for the shape optimization of hydrofoils. The formulation of the exterior potential-flow problem reduces to a Boundary-Integral Equation (BIE) for the associated velocity potential exploiting the null-pressure jump Kutta condition at the trailing edge. The numerical solution of the BIE is performed by an Isogeometric Boundary-Element Method (BEM) combining a generic B-splines parametric modeler for generating hydrofoil shapes, using a set of eight parameters, the very same basis of the geometric representation for representing the velocity potential and collocation at the Greville abscissas of the knot vector of the hydrofoil’s B-splines representation. Furthermore, the optimization environment is developed based on the geometric parametric modeler for the hydrofoil, the Isogeometric BEM solver and an optimizer employing a controlled elitist genetic algorithm. Multi-objective hydrofoil shape optimization examples are demonstrated with respect to the criteria (i) maximum lift coefficient and (ii) minimum deviation of the hydrofoil area from a reference area. en_US
dc.language.iso en en_US
dc.publisher Computer-Aided Design en_US
dc.relation.ispartof Computer-Aided Design
dc.subject Isogeometric analysis en_US
dc.subject NURBS en_US
dc.subject Potential flows en_US
dc.subject Lifting flows en_US
dc.subject Shape optimization en_US
dc.title Shape-optimization of 2D hydrofoils using an Isogeometric BEM solver en_US
dc.type Article en_US
dc.rights.license © 2016 Elsevier Ltd. All rights reserved.
elsevier.identifier.doi 10.1016/j.cad.2016.07.002
elsevier.identifier.eid 1-s2.0-S0010448516300653
elsevier.identifier.pii S0010-4485(16)30065-3
elsevier.identifier.scopusid 85027929668
elsevier.volume 82
elsevier.issue.name Isogeometric Design and Analysis
elsevier.coverdate 2017-01-01
elsevier.coverdisplaydate January 2017
elsevier.startingpage 79
elsevier.endingpage 87
elsevier.openaccess 0
elsevier.openaccessarticle false
elsevier.openarchivearticle false
elsevier.teaser In this paper, an optimization procedure, based on an Isogeometric BEM solver for the potential flow, is developed and used for the shape optimization of hydrofoils. The formulation of the exterior...
elsevier.aggregationtype Journal
workflow.import.source science


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