Tuning and Optimal Performance of an Asymmetric Vibro-Impact Nonlinear Energy Sink with Dry Friction

Tuning and Optimal Performance of an Asymmetric Vibro-Impact Nonlinear Energy Sink with Dry Friction | 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 Tuning and Optimal Performance of an Asymmetric Vibro-Impact Nonlinear Energy Sink with Dry Friction Balkis Youssef, Remco I. Leine This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8037804/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 10 You are reading this latest preprint version Abstract This paper presents a design-oriented framework for asymmetric vibro-impact nonlinear energy sinks (VI-NES) with dry friction. In this context, asymmetry arises from directional differences in friction and restitution properties. The proposed approach builds on analytical results from the Multiple Scales Method (MSM) and an impact map formulation developed to fully characterize near-resonant dynamics in symmetric frictional configurations. The absence of closed-form solutions for asymmetric systems motivates a pragmatic design hypothesis that bounds their response using symmetric reference systems. Based on this insight, a performance-driven design strategy is established, enabling efficient evaluation and optimization without exhaustive simulations. The cavity length, identified as the dominant tuning parameter, governs activation, dissipation efficiency, and regime transitions. Analytical, numerical, and experimental results confirm the predicted tunability of the asymmetric VI-NES through geometric adjustment and demonstrate the robustness and applicability of the proposed strategy for passive vibration mitigation in realistic mechanical systems. Vibro-impact nonlinear energy sink (VI-NES) targeted energy transfer (TET) structural asymmetry dry friction constant-amplitude response (CAR) strongly modulated response (SMR) design optimization Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 09 Feb, 2026 Reviews received at journal 30 Dec, 2025 Reviews received at journal 28 Nov, 2025 Reviewers agreed at journal 21 Nov, 2025 Reviewers agreed at journal 19 Nov, 2025 Reviewers agreed at journal 16 Nov, 2025 Reviewers invited by journal 16 Nov, 2025 Editor assigned by journal 12 Nov, 2025 Submission checks completed at journal 05 Nov, 2025 First submitted to journal 05 Nov, 2025 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. 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