NDLI: Energetically consistent simulation of simultaneous impacts and contacts in multibody systems with friction

Content Provider	Springer Nature Link
Author	Bowling, Alan Flickinger, DanielMontrallo Harmeyer, Sean
Copyright Year	2009
Abstract	This paper presents a methodology for treating energy consistency when considering simultaneous impacts and contacts with friction in the simulation of systems of interconnected bodies. Hard impact and contact is considered where deformation of the impacting surfaces is negligible. The proposed approach uses a discrete algebraic model of impact in conjunction with moment and tangential coefficients of restitution (CORs) to develop a general impact law for determining post-impact velocities. This process depends on impulse–momentum theory, the complementarity conditions, a principle of maximum dissipation, and the determination of contact forces and post-impact accelerations. The proposed methodology also uses an energy-modifying COR to directly control the system’s energy profile over time. The key result is that different energy profiles yield different results and thus energy consistency should be considered carefully in the development of dynamic simulations. The approach is illustrated on a double pendulum, considered to be a benchmark case, and a bicycle structure.
Starting Page	27
Ending Page	45
Page Count	19
File Format	PDF
ISSN	13845640
Journal	Multibody System Dynamics
Volume Number	22
Issue Number	1
e-ISSN	1573272X
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-03-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Simultaneous impact Contact Energy Dynamics Multibody Simulation Friction Automotive Engineering Mechanical Engineering Electrical Engineering Optimization Vibration, Dynamical Systems, Control
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Mechanical Engineering Aerospace Engineering Modeling and Simulation Computer Science Applications

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