Contents 1 On the Detection and Quantification of Nonlinearity via Statistics of the Gradients of a Black-Box Model .............................................................................................. 1 Georgios Tsialiamanis and Charles R. Farrar 2 Robust Identification of Nonlinear Oscillators from Frequency Response Data ....................... 1 1 Thomas Breunung, Lautaro Cilenti, Jae Min You, and Balakumar Balachandran 3 Creating Data-Driven Reduced-Order Models for Nonlinear Vibration via Physics-Informed Neural Networks............................................................................................... 1 5 Alex J. Elliott 4 Effect of Structural Parameters on the Nonlinear Vibration of L-Shaped Beams ..................... 2 3 Yigitcan Ekici, Ender Cigeroglu, and Yigit Yazicioglu 5 Importance of Virtual Sensing and Model Reduction in the Structural Identification of Bolted Assemblies........................................................................................... 3 3 Sina Safari and Julian M. Londoño Monsalve 6 On the Harmonic Balance Method Augmented with Nonsmooth Basis Functions for Contact/Impact Problems .................................................................................... 3 7 Brian Evan Saunders, Robert J. Kuether, Rui M. G. Vasconcellos, and Abdessattar Abdelkefi 7 Periodic Response Prediction for Hybrid and Piecewise Linear Systems ............................... 4 1 G. Manson 8 A Tutorial on Data-Driven Methods in Nonlinear Dynamics............................................. 5 1 Keith Worden and Elizabeth J. Cross 9 Modeling Nonlinear Structures Using Physics-Guided, Machine-Learnt Models ..................... 7 1 Michal J. Szydlowski, Christoph Schwingshackl, and Ludovic Renson 10 Bypassing the Repeatability Issue in Nonlinear Experimental Modal Analysis of Jointed Structures by Using the RCT-HFS Framework............................................................ 7 5 M. Fatih Gürbüz, Taylan Karaag˘açlı, M. Bülent Özer, and H. Nevzat Özgüven 11 Towards Exact Statistically Independent Nonlinear Normal Modes via the FPK Equation.......... 8 1 Max D. Champneys, Timothy J. Rogers, Nikolaos Dervilis, and Keith Worden 12 Simulating Nonlinear Beating Phenomena Induced by Dry Friction in Dynamic Systems ........... 9 3 Iyabo G. Lawal, Michael R. Haberman, and Keegan J. Moore 13 Case Study on the Effect of Nonlinearity in Dynamic Environment Testing............................ 9 7 Brennen Clark, Matthew S. Allen, and Ben Pacini 14 Strategies for Improving the Comparison of Frequency Response Functions with Similarity Metric s .......................................................................................................... 10 1 Hunter R. Kramer, Levi H. Manring, John F. Schultze, Sandra J. Zimmerman, and Brian P. Mann vii
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