Mathematical modeling of wheelset oscillations as the basis of the method of acoustic control

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.20088

Keywords:

wagon, wheelset, vibrodisplacement, acoustic control, diagnostic features

Abstract

This publication argues the need for onboard condition monitoring of the railway car wheelsets in operation. Mathematical modeling of oscillations of the wheelset with short isolated irregularities on the surface of the rolling wheels was offered in the article. To solve the problem was developed three-dimensional finite element model of the wheelset type RU1SH-957. Mathematical modeling conducted in MSC Nastran. In determining the natural of frequencies and waveform of the railway car wheelset, the method Lanczos was applied  as the most effective for most designs. We obtained results that maximum vibrodisplacement take place on the first natural frequency of oscillations of the wheelset wile motion with short isolated roughness on wheel surface. Definitely the speed of the car in which the forced vibrations of the action of periodic forces overlap, and the duration of the shock interaction between wheel and rail is not dependent on the speed of the car and the size of the roughness on the surface of the rolling wheel. The results are used for building acoustic diagnostic model and as boundary conditions in the simulation of field of wheelset noise emissions in undercar space

Author Biographies

Ігор Ернестович Мартинов, Ukrainian State Academy of Railway Transport Sq. Feuerbach 7, Kharkov, Ukraine, 61050

Professor

Department of "Wagons"

В’ячеслав Володимирович Бондаренко, Ukrainian State Academy of Railway Transport Sq. Feuerbach 7, Kharkov, Ukraine, 61050

Ph.D., Associate Professor

Department of "Wagons"

Дмитро Ігорович Скуріхін, Ukrainian State Academy of Railway Transport Sq. Feuerbach 7, Kharkov, Ukraine, 61050

Assistant

Department of "Wagons"

References

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Published

2014-02-04

How to Cite

Мартинов, І. Е., Бондаренко, В. В., & Скуріхін, Д. І. (2014). Mathematical modeling of wheelset oscillations as the basis of the method of acoustic control. Eastern-European Journal of Enterprise Technologies, 1(7(67), 22–28. https://doi.org/10.15587/1729-4061.2014.20088

Issue

Vol. 1 No. 7(67) (2014): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2014 Ігор Ернестович Мартинов, В’ячеслав Володимирович Бондаренко, Дмитро Ігорович Скуріхін

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