Cylindrical cross section optimization. (July 2021)

• Record Type: Journal Article
• Authors: Croccolo, D; De Agostinis, M; Fini, S; Olmi, G; Robusto, F
• Is Part Of: Proceedings of the Institution of Mechanical Engineers. Volume 235:Number 13(2021)
• Page Start: 2426
• Page End: 2436
• Publication Date: 2021-07
• Subjects: Paradox in mechanics -- section optimization -- finite element analysis (FEA) -- section resistance; Mechanical engineering -- Periodicals; 621.05
• DOI: 10.1177/0954406220953174
• Languages: English
• ISSNs: 0954-4062

Abstract

This paper focuses on cross-section optimization of both rectilinear and curvilinear beams. In particular, analytical models were developed, in order to detect how circular section resistance can be modified following a suitable cut. In fact, removing material from the furthest zone from the neutral axis, may even result in an increase of the section resistance modulus, with consequent beneficial reduction of the maximum stresses. The analytical model outcomes were confirmed by numerical analyses. This study deals with several applicative cases: in almost all of them a stress reduction was achieved, except for removing material from the extrados.