Nonlinear Structures & Systems, Vol. 1 Proceedings of the 43rd IMAC, A Conference and Exposition on Structural Dynamics 2025

1 Linear and Nonlinear Response of a Continuous-Interface BARC: FEA Prediction and Test

Sean Magoffin, Brooklyn Andrus, Matthew S. Allen, and Raymond Joshua

2 www.FreeDyn.at A free, GUI based multi-body dynamics software for stand-alone use and with C API for linking it to Python, Matlab or custom code

Wolfgang Witteveen and Stefan Oberpeilsteiner

3 Nonlinear Frequency Response Surfaces, Part I: Theoretical Formulation

D. Di Maio, Jip van Tiggelen, and Marcel H.M. Ellenbroek

4 Fatigue Damage Potential in a Nonlinear Dynamical System with Isolated Resonances

Brian Evan Saunders

5 Robust Optimization of Surface Topology for Jointed Connections

Aalokeparno Dhar, Justin H. Porter, and Matthew R. W. Brake

6 Nonlinear Vibration Control on Complex Structures via Model Predictive Control Exploiting Koopman Model

Yichang Shen and Ludovic Renson

7 Stochastic Dynamics and Surrogate Modeling for Nonlinear Aerospace Nozzle Systems with Partial Observations

Evangeline Capiez-Lernout, Olivier Ezvan, and Christian Soize

8 Industrial Applications of Nonlinear Modal Modeling: Two Case Studies

Benjamin R Pacini

9 An Overview of ANSYS Harmonic Balance Method: Current Capabilities and Future Directions

Furkan K. Celik, Taylan Karaagaclı, M. Bulent Ozer, and H. Nevzat Ozguven

10 Derivative-Free Arclength Control-Based Continuation for Secondary Resonances Identification

Michael Kwarta

11 Modelling a Nonlinear Single-Degree-of-freedom System from Experimental Data using Lagrangian Neural Networks

Alexandre Spits, Ghislain Raze, and Gaetan Kerschen

12 Computing Periodic Responses of Highly Flexible Beams Modelled under the SE(3) Lie Group Framework with Multiple Shooting

Alan Xavier and Ludovic Renson

13 Direct Parameterization of Invariant Manifolds

Amir K. Bagheri, Valentin Sonneville, and Ludovic Renson

14 Nonlinear Solvers for Computing Periodic Solutions

Tiago S. Martins, F. Trainotti, L. Kreuzer, and D. J. Rixen

15 Application and Discussion of Results

Izzet Ulug and Ender Cigeroglu

16 Flutter Analysis of Control Surface Free-play by Using a 3-DOF Airfoil Model

Cristiano Martinelli and Andrea Cammarano

17 The Nonlinear Restoring Force Method: An Overview with Numerical and Experimental Applications

Dersu Celiksoz and Ender Cigeroglu

18 Finding the Limits of Beam Elements: Modeling Bolted Joints as an Effective Joint Region

Nicholas Pomianek, Casey Whitworth, Enrique Gutierrez-Wing, Trevor Jerome, and J. Gregory McDaniel

19 Design of a Tuned Vibration Absorber with Friction Contact for High Location Ratio Application

Matthew W. Hancock, Nathan P. Lovell, Yusuf R. Shehata, Keegan J. Moore, Bogdan I. Epureanu, Thomas N. Thompson, and Sean T. Kelly

20 Topology Optimization of Isolated Response Curves in 3D Geometrically-nonlinear Beam

Enora Denimal Goy, Yichang Shen, Samuel Fruchard, Adrien Melot, and Ludovic Renson

21 Coupled Harmonic Balance based approach for the non-linear dynamics of spur gear pairs

Giacomo Saletti, Giuseppe Battiato, and Stefano Zucca

22 Multi-level Stochastic Model Identification of Complex Aeroelastic Systems Considering Aerodynamic Nonlinearities

Michael McGurk and Jie Yuan

23 Resonance Tracking of Nonlinear Structures by Amplitude Controlled Sine-Dwell Testing

Gleb Kleyman, Hans-Jurgen Borutta, and Sebastian Schwarzendahl

Biography

Ludovic Renson, Robert Kuether, Paolo Tiso, Drithi Shetty