publication . Other literature type . 2015

The Influence of Wagon Structure Part Shape Optimization on Ultimate Fatigue Strength

Milovanović, Vladimir; Živković, Miroslav; Jovičić, Gordana; Živković, Jelena; Kozak, Dražan;
Open Access English
  • Published: 01 Jan 2015 Journal: Transactions of FAMENA, volume 39, issue 4 (issn: 1333-1124, eissn: 1849-1391, Copyright policy)
  • Publisher: Faculty of Mechanical Engineering and Naval Architecture
This study investigates how shape optimisation affects the ultimate fatigue strength of a mechanical part. The mechanical part chosen for this investigation is an axle guard of running gear elements of the Hccrrs 2x2 axle car-carrying wagon. The static and fatigue strength analysis procedure according to the UIC 517 standard and numerical methods have been applied. Material properties were determined experimentally and the necessary numerical calculations were performed by using the finite element method. The observed axle guard is exposed to low cycle fatigue. ε-N curves and material properties of the S355J2+N steel grade are obtained by combining theoretical f...
free text keywords: fatigue strength; ε-N method; finite element analysis; shape optimization

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