Estimation of actual residual stresses due to braking and contact loading of rail vehicle wheels

Holowinski, M; Bobrov, E S; Massachusetts Institute of Technology

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Estimation of actual residual stresses due to braking and contact loading of rail vehicle wheels

1996-03-01
By Holowinski, M ; Bobrov, E S

[PDF-1.71 MB]

English

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Details:

Creators:

Holowinski, M ; Bobrov, E S

Holowinski, M ; Bobrov, E S Less -
Corporate Creators:

Massachusetts Institute of Technology
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development Less -
Subject/TRT Terms:

[+]

Axisymmetric Loading Contact Stress Dynamics Finite Element Method Rail (Railroads) Residual Stress Shakedown Shakedown Tests Stresses Thermal Stress Thermal Stresses Wheel Rail Dynamics Wheels
Publication/ Report Number:

DOT-VNTSC-FRA-95-13 ; DOT/FRA/ORD-96/02

DOT-VNTSC-FRA-95-13 ; DOT/FRA/ORD-96/02 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final report; February 1993 - July 1995
Corporate Publisher:

United States. Department of Transportation. Federal Railroad Administration
Abstract:

A finite element formulation for shakedown stress analysis of rail vehicle wheels is presented, based on a hypothesis that the shakedown state is axisymmetric. The method can be used to estimate shakedown stresses in wheels subjected to combined mechanical (wheel/rail contact) and thermal (temperature gradients and thermal stress due to braking) loads. The formulation includes provisions for initial manufacturing stress, shifting contact locations, and temperature-dependent material properties. Validation results and demonstration example analysis of an actual wheel design are presented.
Format:

PDF
Funding:

R-3026/RR-328 ; R-4005/RR428 ; R-5005/RR-528

R-3026/RR-328 ; R-4005/RR428 ; R-5005/RR-528 Less -
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:afeece964e865a4fb366122199c51b86d1bbfbfe0a2cb817674ce96d9fc6085c
Download URL:

https://rosap.ntl.bts.gov/view/dot/8870/dot_8870_DS1.pdf
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Estimation of actual residual stresses due to braking and contact loading of rail vehicle wheels

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