Multiaxial fatigue reliability analysis of railroad wheels

Yongming Liu; Liming Liu; Brant Stratman; Sankaran Mahadevan

doi:10.1016/j.ress.2006.12.021

Multiaxial fatigue reliability analysis of railroad wheels

Yongming Liu, Liming Liu, Brant Stratman, Sankaran Mahadevan

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper. Both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the same authors. A response surface method in conjunction with design of experiments is used to develop a closed form approximation of the fatigue damage accumulation with respect to the input random variables. The total fatigue life of railroad wheels under stochastic loading is simulated, accounting for the spatial and temporal randomness of the fatigue damage. The field observations of railroad wheel fatigue failures are compared with the numerical predictions using the proposed methodology.

Original language	English (US)
Pages (from-to)	456-467
Number of pages	12
Journal	Reliability Engineering and System Safety
Volume	93
Issue number	3
DOIs	https://doi.org/10.1016/j.ress.2006.12.021
State	Published - Mar 2008
Externally published	Yes

Keywords

Multiaxial fatigue
Reliability
Rolling contact fatigue
Stochastic

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Industrial and Manufacturing Engineering

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10.1016/j.ress.2006.12.021

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title = "Multiaxial fatigue reliability analysis of railroad wheels",

abstract = "A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper. Both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the same authors. A response surface method in conjunction with design of experiments is used to develop a closed form approximation of the fatigue damage accumulation with respect to the input random variables. The total fatigue life of railroad wheels under stochastic loading is simulated, accounting for the spatial and temporal randomness of the fatigue damage. The field observations of railroad wheel fatigue failures are compared with the numerical predictions using the proposed methodology.",

keywords = "Multiaxial fatigue, Reliability, Rolling contact fatigue, Stochastic",

author = "Yongming Liu and Liming Liu and Brant Stratman and Sankaran Mahadevan",

note = "Funding Information: The research reported in this paper was supported by funds from Union Pacific Railroad and Meridian Railroad (Research Agreement No. 18140, Monitor: Rex Beck). The support is gratefully acknowledged.",

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AU - Liu, Yongming

AU - Liu, Liming

AU - Stratman, Brant

AU - Mahadevan, Sankaran

N1 - Funding Information: The research reported in this paper was supported by funds from Union Pacific Railroad and Meridian Railroad (Research Agreement No. 18140, Monitor: Rex Beck). The support is gratefully acknowledged.

PY - 2008/3

Y1 - 2008/3

N2 - A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper. Both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the same authors. A response surface method in conjunction with design of experiments is used to develop a closed form approximation of the fatigue damage accumulation with respect to the input random variables. The total fatigue life of railroad wheels under stochastic loading is simulated, accounting for the spatial and temporal randomness of the fatigue damage. The field observations of railroad wheel fatigue failures are compared with the numerical predictions using the proposed methodology.

AB - A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper. Both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the same authors. A response surface method in conjunction with design of experiments is used to develop a closed form approximation of the fatigue damage accumulation with respect to the input random variables. The total fatigue life of railroad wheels under stochastic loading is simulated, accounting for the spatial and temporal randomness of the fatigue damage. The field observations of railroad wheel fatigue failures are compared with the numerical predictions using the proposed methodology.

KW - Multiaxial fatigue

KW - Reliability

KW - Rolling contact fatigue

KW - Stochastic

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Multiaxial fatigue reliability analysis of railroad wheels

Abstract

Keywords

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