Nonlinear Truck Ride Analysis

[+] Author and Article Information
G. R. Potts

Firestone Central Research Laboratories, Akron, Ohio

H. S. Walker

Department of Mechanical Engineering, Kansas State University, Manhattan, Kan.

J. Eng. Ind 96(2), 597-602 (May 01, 1974) (6 pages) doi:10.1115/1.3438370 History: Received June 06, 1973; Online July 15, 2010


The nonlinear vibratory motions of a three-axle semitrailer truck were investigated via the use of a digital computer. The nonlinear equations of motion are presented and a method of numerical integration is discussed. The analysis allows any shape of suspension force-deflection curve (including wheel hop, suspension stops, and dry friction damping) and a similar liberality of shock absorber force-velocity characteristics. An experimental vibration study, performed on a model truck, is described and the results compare favorably with the calculated results of the numerical integration.

Copyright © 1974 by ASME
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