Yuan, W.; Li, L.; Zhang, D. G.; Hong, J. Z. New method for oblique impact dynamics research of a flexible beam with large overall motion considering impact friction force. (English) Zbl 1361.74032 Acta Mech. Sin. 32, No. 4, 720-730 (2016). Summary: A flexible beam with large overall rotating motion impacting with a rigid slope is studied in this paper. The tangential friction force caused by the oblique impact is analyzed. The tangential motion of the system is divided into a stick state and a slip state. The contact constraint model and Coulomb friction model are used respectively to deal with the two states. Based on this hybrid modeling method, dynamic equations of the system, which include all states (before, during, and after the collision) are obtained. Simulation results of a concrete example are compared with the results obtained from two other models: a nontangential friction model and a modified Coulomb model. Differences in the results from the three models are discussed. The tangential friction force cannot be ignored when an oblique impact occurs. In addition, the results obtained from the model proposed in this paper are more consistent with real movement. MSC: 74M20 Impact in solid mechanics 74M10 Friction in solid mechanics 74K10 Rods (beams, columns, shafts, arches, rings, etc.) Keywords:flexible beam; oblique impact; stiction; slip PDFBibTeX XMLCite \textit{W. Yuan} et al., Acta Mech. Sin. 32, No. 4, 720--730 (2016; Zbl 1361.74032) Full Text: DOI References: [1] Deck, J.F., Dubowsky, S.: On the limitations of predictions of the dynamic response of machines with clearance connections. J. Mech. Design 116, 833-841 (1994) [2] Zhuang, F.F., Wang, Q.: Modeling and analysis of rigid multibody systems with driving constraints and frictional translation joints. Acta Mech. Sin. 30, 437-446 (2014) · Zbl 1346.70009 [3] Song, P., Krauss, P., Kumar, V., et al.: Analysis of rigid-body dynamic models for simulation of systems with frictional contracts. J. 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