Size optimization of rectangular cross-section members subject to fatigue constraints

• Autorzy: González Mendoza J. M. , Alcántara Montes S. , Silva Lomelí J. J. , Flores Campos J. A.

Identyfikatory

DOI

10.15632/jtam-pl.55.2.547

• Języki publikacji: EN

Abstrakty

EN

Although in the scientific literature there are studies regarding optimization of structural members subject to static loads or even cyclic in-phase loads, the optimization of structures subject to cyclic, out-of-phase multiaxial loads is still an unexplored issue. In this paper, we present an approach to the problem of size optimization of rectangular cross-section members subject to multiaxial in-phase and out-of-phase cyclic loads. The objective of the optimization is to minimize the cross sectional area of such elements while retaining their fatigue endurance. Under the proposed methodology, optimum values of the area are achieved for six loading cases and for three values of the height to width ratio of the cross section, and these values are reported. The novelty of the approach lies in the inclusion of two multiaxial high cycle fatigue criteria, i.e., Dang Van and Vu-Halm-Nadot ones, as constraints for size optimization problems, fully integrated within an in-house developed tool, capable of handling non-proportional stresses. A plot of the feasible solution space for this optimization problem is also obtained.

Słowa kluczowe

EN

size optimization; multiaxial fatigue; non-proportional

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2017
• Tom: Vol. 55 nr 2
• Strony: 547--557
• Opis fizyczny: Bibliogr. 17 poz., rys., tab.

Twórcy

autor

González Mendoza J. M.

• Department of Graduate Studies and Research, National Polytechnic Institute, Mexico

autor

Alcántara Montes S.

• Department of Graduate Studies and Research, National Polytechnic Institute, Mexico

autor

Silva Lomelí J. J.

• UPIITA, National Polytechnic Institute, Mexico

autor

Flores Campos J. A.

• UPIITA, National Polytechnic Institute, Mexico

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)