Volume 1, Number 3 (5-2011)                   IJAE 2011, 1(3): 186-196 | Back to browse issues page


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Younesian D, Jafari A, Serajian R. Effects of the Bogie and Body Inertia on the Nonlinear Wheel-set Hunting Recognized by the Hopf Bifurcation Theory . IJAE. 2011; 1 (3) :186-196
URL: http://www.iust.ac.ir/ijae/article-1-25-en.html

Abstract:   (4163 Views)
Nonlinear hunting speeds of railway vehicles running on a tangent track are analytically obtained using Hopf bifurcation theory in this paper. The railway vehicle model consists of nonlinear primary yaw dampers, nonlinear flange contact stiffness as well as the clearance between the wheel flange and rail tread. Linear and nonlinear critical speeds are obtained using Bogoliubov method. A comprehensive parametric study is then carried out and effects of different parameters like the magnitudes of lateral clearance, damping values, wheel radius, bogie mass, lateral stiffness and the track gauge on linear and nonlinear hunting speeds are investigated.
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Type of Study: Research | Subject: Modeling and simulations
Received: 2011/06/2 | Accepted: 2011/09/10

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