Shakedown analysis of train wheels by Fourier series and nonlinear programming

被引：12
作者：
Bocciarelli, M [1 ]
Cocchetti, G [1 ]
Maier, G [1 ]
机构：
[1] Univ Technol Politecn Milan, Dept Struct Engn, I-20133 Milan, Italy
来源：
ENGINEERING STRUCTURES | 2004年 / 26卷 / 04期
关键词：
plasticity; shakedown analysis; finite strips; Fourier series; train wheels;
D O I：
10.1016/j.engstruct.2003.11.002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents a procedure for shakedown analysis of train wheels on the basis of given wheel-rail contact tractions. The main topics dealt with in the paper are: comparative formulations by both static and kinematic theorems; exploitation of the geometry and material axial symmetry by finite strip, Fourier series modelling in space and consequent reduction of the analysis to decoupled problems of much smaller sizes; numerical solutions by available nonlinear programming algorithms of the ad hoc formulated optimization problems; comparisons of the results with those obtained from step-by-step three-dimensional finite element analyses. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：455 / 470
页数：16
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