Incorporating buckling effect into the topology design of 2D continuum structures using isolines
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Víctoria Nicolás, Maríano; Díaz Gómez, Concepción; Martí Montrull, Pascual; Querin, Osvaldo M.Área de conocimiento
Mecánica de Medios Continuos y Teoría de EstructurasFecha de publicación
2023-09-14Editorial
ElsevierCita bibliográfica
Victoria, M. , Díaz, C., Martí, P. et al. , Querin, O.M. (2023). Incorporating buckling effect into the topology design of 2D continuum structures using isolines. Structures, 57Revisión por pares
siPalabras clave
Topology designBuckling
Continuum structures
Isolines
Fixed grid
Resumen
Isolines Topology Design (ITD) is an iterative algorithm for use in the topological design of two-dimensional (2D) continuum structures using isolines. This paper presents an extension to this algorithm for topology design of 2D continuum structures under the influence of buckling. Topology design has been used to obtain the lightest structure that can support the loading conditions without failure, with optimal designs typically consisting of slender members. In many cases, instability (or buckling) of the slender compressive members may occur at load levels below those predicted using a stress-based failure criteria. Although topology optimization is often used in the conceptual phase of the design, the influence of buckling has a significant impact on the features and performance of the final structure. This article presents an alternative approach to incorporate the buckling effect into the ITD algorithm for the design of 2D continuum structures. The concept consists of transforming ...
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