Abstract
To determine the dynamic forces acting on vehicle components a vehicle-structure-road interaction is considered. Coupled interaction was modelled using a flexible bridge-like thin beam structure with four and six Degree of freedom (DOF) half car models. In addition to the flexible structure, the road conditions were added to the model as random and non-random surface irregularities. A coupled equation of motion of the whole system was derived using Lagrange equations, and converted to a first-order state-space equation and then solved using the fourth-order Runge-Kutta method. Besides the dynamic forces, the effects of the vehicle speed, bridge flexibility, tire stiffness, random or non-random road irregularities on the passenger comfort are widely investigated. The results obtained were compared by several early VBI (Vehicle-bridge-interaction) studies in the literature and proved accurate with a 5 % difference.
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Mehmet Akif Koc received the M.S. in Mechanical Engineering from Karabuk University, Karabuk, Turkey, in 2013. He is a Research Assistant in Mechanical Engineering, Sakarya University, Sakarya. His current research interests include vehicle bridge interaction analysis and its control using artificial intelligence techniques.
Ismail Esen graduated from ITU Mechanical Engineering in 1991, earned the M.S. in 1994 and in 2009 completed his doctorate at the same univesrsity. Between 1992 and 2009 he worked as a Professional Engineer in the industry. He has been working at Karabuk University.
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Koç, M.A., Esen, İ. Modelling and analysis of vehicle-structure-road coupled interaction considering structural flexibility, vehicle parameters and road roughness. J Mech Sci Technol 31, 2057–2074 (2017). https://doi.org/10.1007/s12206-017-0403-y
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DOI: https://doi.org/10.1007/s12206-017-0403-y