NON-LINEAR WHEELSET FORCES IN FLANGE CONTACT .1. STEADY-STATE ANALYSIS AND NUMERICAL RESULTS

被引：3

作者：

SWEET, LM

SIVAK, JA

机构：

[1] Department of Mechanical and Aerospace Engineering, Princeton University, Princton, NJ

[2] Applied Physics Laboratory, Johns Hopkins University, Baltimore, MD

来源：

JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME | 1979年 / 101卷 / 03期

关键词：

D O I：

10.1115/1.3426431

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A theoretical model for steady-state wheelset force/displacement relations in tread and flange contact is presented. The analysis includes nonlinear geometric constraints that characterize wheel/rail contact, creep forces in the contact plane due to wheel/rail differential velocities, limits on adhesion at each contact point, and equilibrium conditions applied to the wheelset body forces. Results are summarized as the resultant lateral force and yaw moment acting on the wheelset as functions of lateral position and yaw angle. The results of this analysis, verified experimentally in Part 2 of this paper, are important to the analysis of wheelset response to track inputs, curving performance, and wheelclimb derailment. © 1979 ASME.

引用

页码：238 / 246

页数：9

共 17 条

[1]

Sweet L.M., Sivak J.A., Putman W.F., Nonlinear Wheelset Forces in Flange Contact—Part 2: Measurements Using Dynamically Scaled Models, ASME Journal of Dynamic Systems, pp. 247-255

[2]

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[3]

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[4]

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[5]

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[6]

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[7]

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[8]

Sciammarella C., Et al., Study of Friction and Creep between Steel Wheels and Rails, Report No. IIT-TRANS-76-2, (1976)

[9]

Paul B., Hashemi J., An Improved Numerical Method for Counterformal Contact Stress Problems, Report MEAM-77-1, (1977)

[10]

Illingworth R., Railway Wheelset Lateral Excitation of Track Irregularities, Proceedings of 2Nd IUTAM Symposium on the Dynamics of Vehicles on Roads and Tracks, (1978)

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