Analysis of the Dynamic Behavior of Onboard Rotors in Non-Linear Regimes Under the Influence of Parametric Uncertainties

Analysis of the Dynamic Behavior of Onboard Rotors in Non-Linear Regimes Under the Influence of Parametric Uncertainties | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (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-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Analysis of the Dynamic Behavior of Onboard Rotors in Non-Linear Regimes Under the Influence of Parametric Uncertainties Thales RB Trevilato, Aldemir Cavallini Jr, Valder Steffen Jr This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5313495/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 3 You are reading this latest preprint version Abstract In recent decades, a significant advance in the understanding of the dynamic behavior of rotors has been observed, including the capacity to model and forecast the physical behavior of these systems. The emergence of novel applications seeks to optimize performance and cost-effectiveness maintaining safe operating conditions and pushing rotating systems to their limits. Therefore, this contribution presents a combined numerical and experimental investigation of the nonlinear behavior exhibited by rotating systems subjected to base excitations. A comprehensive model incorporates nonlinear behavior resulting from large displacements as derived from the Lagrange's equations and the finite element (FE) method. The deterministic model is extended to encompass bearings with stochastic stiffness. A rotating machine with a flexible shaft, a rigid disk, and supported by two bearings is evaluated. A dedicated test bench was used to compare the vibration responses obtained by using the implemented mathematical model with the experimental measurements. The obtained results demonstrate the representativeness of the considered FE model. Rotordynamics onboard rotors finite element model nonlinearities parametric uncertainties Full Text Cite Share Download PDF Status: Under Review Version 1 posted Reviewers invited by journal 27 Oct, 2024 Editor assigned by journal 24 Oct, 2024 First submitted to journal 22 Oct, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5313495","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":370901296,"identity":"7d59c581-2b0d-4008-9222-8c89ce59c9e0","order_by":0,"name":"Thales RB Trevilato","email":"","orcid":"","institution":"Federal University of Uberlandia: Universidade Federal de Uberlandia","correspondingAuthor":false,"prefix":"","firstName":"Thales","middleName":"RB","lastName":"Trevilato","suffix":""},{"id":370901297,"identity":"9e09e404-ef71-4191-b994-5a884516df86","order_by":1,"name":"Aldemir Cavallini Jr","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAuklEQVRIiWNgGAWjYJACAwYGCQYG9gaGDwwMB0jRwnOAcQbRWiBAIoFILfzthx8U8+6wkDOf+cawmYfhTj5hs8+kGRjznpEwlrmdA9LyzLKBoJ4DOQzGvG0SiTOkc8wf8zAcNiCoQ/78G6gWyTMgW4jQYnADZosED5FaDG88MzCc2yZhLMGTVtg4x+AZYS1y55OfGbxtq5OTYD+8seFNxR3CWoCADUkVURoYGJgfEKduFIyCUTAKRiwAAN0UN0ptPCVaAAAAAElFTkSuQmCC","orcid":"","institution":"Universidade Federal de Uberlandia","correspondingAuthor":true,"prefix":"","firstName":"Aldemir","middleName":"","lastName":"Cavallini","suffix":"Jr"},{"id":370901298,"identity":"9f1b12d8-1008-4a7b-9e88-a7d489e7deec","order_by":2,"name":"Valder Steffen Jr","email":"","orcid":"","institution":"Federal University of Uberlandia: Universidade Federal de Uberlandia","correspondingAuthor":false,"prefix":"","firstName":"Valder","middleName":"","lastName":"Steffen","suffix":"Jr"}],"badges":[],"createdAt":"2024-10-22 16:42:59","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-5313495/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-5313495/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":68355136,"identity":"9d80f88b-6c71-4dd4-aedf-dad7a322bccf","added_by":"auto","created_at":"2024-11-06 11:15:06","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1286986,"visible":true,"origin":"","legend":"","description":"","filename":"ArtigoThales.pdf","url":"https://assets-eu.researchsquare.com/files/rs-5313495/v1_covered_e338f689-a193-4003-8226-b8f1f9c784b0.pdf"}],"financialInterests":"","formattedTitle":"Analysis of the Dynamic Behavior of Onboard Rotors in Non-Linear Regimes Under the Influence of Parametric Uncertainties","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"journal-of-the-brazilian-society-of-mechanical-sciences-and-engineering","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"bmse","sideBox":"Learn more about [Journal of the Brazilian Society of Mechanical Sciences and Engineering](http://link.springer.com/journal/40430)","snPcode":"40430","submissionUrl":"https://www.editorialmanager.com/bmse/default2.aspx","title":"Journal of the Brazilian Society of Mechanical Sciences and Engineering","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Rotordynamics, onboard rotors, finite element model, nonlinearities, parametric uncertainties","lastPublishedDoi":"10.21203/rs.3.rs-5313495/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-5313495/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"In recent decades, a significant advance in the understanding of the dynamic behavior of rotors has been observed, including the capacity to model and forecast the physical behavior of these systems. 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