Dynamic modeling and vibration response experiment of clamp-pipeline system with soft nonlinearity

Dynamic modeling and vibration response experiment of clamp-pipeline system with soft nonlinearity | 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 Dynamic modeling and vibration response experiment of clamp-pipeline system with soft nonlinearity Yiming Cao, Weijiao Chen, Hui Ma, Hui Li, Bing Wang, Li Tan, Xin Wang, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-2392064/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 14 Aug, 2023 Read the published version in Nonlinear Dynamics → Version 1 posted 5 You are reading this latest preprint version Abstract As an important supporting component, metal rubber clamp often generates nonlinear force and brings complex dynamics to pipeline system. However, the nonlinear of metal rubber clamps in pipeline system has been rarely incorporated in the open research. Therefore, based on genetic algorithm and finite element method, a new nonlinear clamp model with four degrees of freedom is proposed by introducing identified nonlinear parameters. The nonlinear parameters are identified by genetic algorithm in which the objective function is the error between experiment and simulation, and the nonlinear clamp-pipeline model is verified by modal test and vibration response experiment under different boundary conditions. The results show the numerical results are basically consistent with the experimental results. Moreover, the effects of clamp nonlinear stiffness coefficient, nonlinear damping coefficient, and excitation amplitude on vibration response of pipeline system are analyzed. The developed model can consider the nonlinear effect of pipeline system, so as to predict the vibration response more accurately. metal rubber clamp pipeline system soft nonlinearity transmissibility test parameter identification Full Text Cite Share Download PDF Status: Published Journal Publication published 14 Aug, 2023 Read the published version in Nonlinear Dynamics → Version 1 posted Editorial decision: Major revisions 08 Mar, 2023 Reviewers agreed at journal 22 Jan, 2023 Reviewers invited by journal 21 Jan, 2023 Editor assigned by journal 19 Dec, 2022 First submitted to journal 18 Dec, 2022 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. 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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-2392064","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":169672651,"identity":"696276cc-976c-4429-9f35-54aeea176243","order_by":0,"name":"Yiming Cao","email":"","orcid":"","institution":"Northeastern University","correspondingAuthor":false,"prefix":"","firstName":"Yiming","middleName":"","lastName":"Cao","suffix":""},{"id":169672652,"identity":"e9934046-666f-4958-b199-e9cdbae994a6","order_by":1,"name":"Weijiao Chen","email":"","orcid":"","institution":"Northeastern 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