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Multifidelity Sensitivity Study of Subsonic Wing Flutter for Hybrid Approaches in Aircraft Multidisciplinary Design and Optimisation
A comparative sensitivity study for the flutter instability of aircraft wings in subsonic flow is presented, using analytical models and numerical tools with different multidisciplinary approaches. The analyses build on previous elegant works and encompass parametric variations of aero-structural properties, quantifying their effect on the aeroelastic stability boundary. Differences in the multifidelity results are critically assessed from both theoretical and computational perspectives, in view of possible practical applications within airplane preliminary design and optimisation. A robust hybrid strategy is then recommended, wherein the flutter boundary is obtained using a higher-fidelity approach while the flutter sensitivity is computed adopting a lower-fidelity approach."> MathJax.Hub.Config({ "HTML-CSS": { availableFonts: ["TeX"], preferredFonts: "TeX", webFont:"TeX", imageFont:"TeX", undefinedFamily:'Arial Unicode MS',serif", scale: 80, linebreaks: { automatic: true, width: "container" } }, "TeX": { extensions: ["noErrors.js"], noErrors: { inlineDelimiters: ["",""], multiLine: true, style: { "font-size": "90%", "text-align": "left", "color": "black", "padding": "1px 3px", "border": "1px solid" } } } }); MathJax.Hub.Register.StartupHook("End",function () { $(".art-abstract").css("display", "block"); }); (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-5824718-2', 'auto'); ga('require', 'displayfeatures'); ga('send', 'pageview'); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-WT3XWXZ'); Previous Article in Journal
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Get Informationclear img.review-status { width: 30px; } JSmol ViewerclearOpen AccessArticleMultifidelity Sensitivity Study of Subsonic Wing Flutter for Hybrid Approaches in Aircraft Multidisciplinary Design and Optimisation byMarco Berci 1 and Francesco Torrigiani 2,*,† 1Pilatus Aircraft Ltd, 6371 Stans, Switzerland2Deutsches Zentrum für Luft- und Raumfahrt, 21129 Hamburg, Germany*Author to whom correspondence should be addressed. †Current address: DLR, Institute of System Architectures in Aeronautics, Hein-Saß-Weg 22, 21129 Hamburg, Germany.Aerospace 2020, 7(11), 161; https://doi.org/10.3390/aerospace7110161Received: 31 August 2020 / Revised: 17 October 2020 / Accepted: 3 November 2020 / Published: 12 November 2020(This article belongs to the Special Issue Aircraft Design (SI-2/2020) )View Full-TextDownload PDFBrowse Figures Cite This PaperAbstractA comparative sensitivity study for the flutter instability of aircraft wings in subsonic flow is presented, using analytical models and numerical tools with different multidisciplinary approaches. The analyses build on previous elegant works and encompass parametric variations of aero-structural properties, quantifying their effect on the aeroelastic stability boundary. Differences in the multifidelity results are critically assessed from both theoretical and computational perspectives, in view of possible practical applications within airplane preliminary design and optimisation. A robust hybrid strategy is then recommended, wherein the flutter boundary is obtained using a higher-fidelity approach while the flutter sensitivity is computed adopting a lower-fidelity approach.View Full-TextKeywords: aircraft design; aeroelastic stability; sensitivity analysis; flexible wing; subsonic flow aircraft design; aeroelastic stability; sensitivity analysis; flexible wing; subsonic flow►▼Show FiguresFigure 1
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly citedShare and CiteMDPI and ACS StyleBerci, M.; Torrigiani, F. Multifidelity Sensitivity Study of Subsonic Wing Flutter for Hybrid Approaches in Aircraft Multidisciplinary Design and Optimisation. Aerospace 2020, 7, 161.
AMA StyleBerci M, Torrigiani F. Multifidelity Sensitivity Study of Subsonic Wing Flutter for Hybrid Approaches in Aircraft Multidisciplinary Design and Optimisation. Aerospace. 2020; 7(11):161.
Chicago/Turabian StyleBerci, Marco; Torrigiani, Francesco. 2020. "Multifidelity Sensitivity Study of Subsonic Wing Flutter for Hybrid Approaches in Aircraft Multidisciplinary Design and Optimisation." Aerospace 7, no. 11: 161.
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» Author: Marco Berci
» Reference: Aerospace 2020, Vol. 7, Page 161
This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 768737
