Abstract
A new numerical integration method is presented for a class of multibody systems, exhibiting single frictional impacts. This method is a time-stepping scheme, involving incorporation of a novel return map into an augmented Lagrangian formulation, developed recently for systems with bilateral constraints. When an impact is detected, this map is applied at the end of the step and brings the system position back to the manifold with the allowable motions. In addition, the equations of motion during the impact phase are geometrically discretized by appropriate cubic splines on the configuration manifold. Finally, the accuracy and efficiency of the method is demonstrated by a set of examples.
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Natsiavas, S., Passas, P., Paraskevopoulos, E. (2022). A Novel Time-Stepping Method for Multibody Systems with Frictional Impacts. In: Lacarbonara, W., Balachandran, B., Leamy, M.J., Ma, J., Tenreiro Machado, J.A., Stepan, G. (eds) Advances in Nonlinear Dynamics. NODYCON Conference Proceedings Series. Springer, Cham. https://doi.org/10.1007/978-3-030-81166-2_44
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