Probabilistic Growth of Complex Fatigue Crack Shapes: Toward Risk Based Inspection Intervals for Railroad Tank Cars-Reference-Cited by-同舟云学术

Probabilistic Growth of Complex Fatigue Crack Shapes: Toward Risk Based Inspection Intervals for Railroad Tank Cars

Published:2000-12-01 Issue:4 Volume:123 Page:622-629
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Riddell William T.¹

Affiliation:

1. Structures and Dynamics Division, DTS-76, Volpe National Transportation Systems Center, 55 Broadway, Cambridge, MA 02142

Abstract

A model for probabilistic growth of complex fatigue crack shapes that will be used to perform sensitivity studies and to optimize inspection intervals for railroad tank cars is presented. In this model, crack growth is based on results from a deterministic crack growth analysis with additional terms to introduce stochastic behavior. The family of complex shapes that cracks grow through is parameterized by a single degree of freedom, which simplifies the probabilistic model. Comparisons between experimental and numerical results suggest that the probabilistic model is capable of representing realistic crack growth using reasonable crack growth parameters, which will enable the sensitivity and optimization studies for which the model is intended.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/123/4/622/5759000/622_1.pdf

Reference29 articles.

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