Topology design of two-dimensional continuum structures considering buckling effect
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Víctoria Nicolás, Maríano; Querin, Osvaldo M.; Díaz Gómez, Concepción; Martí Montrull, PascualGrupo de investigación
Grupo de Optimización EstructuralÁrea de conocimiento
Mecánica de Medios Continuos y Teoría de EstructurasFecha de publicación
2022Editorial
ASMO-UKCita bibliográfica
Victoria Nicolás, M., Martí Montrull, P., Díaz Gómez, C. y Querin, O. M. Topology design of two-dimensional continuum structures considering buckling effect .ASMO-UK 12/ASMO-Europe 1/ISSMO. Conference on Engineering Design Optimization Process Improvement, 2022, pp. 40.Palabras clave
TopologyContinuum structures
Fixed grid
Buckling
Resumen
Generally, the purpose of the Topology Optimization (TO) has been 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 that predicted using the stress-based failure criteria. Although TO 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. Buckling TO (BTO) aims to find the optimal material layout of the structure considering the buckling effect. This work presents a new approach to consider buckling effect in TO of 2D continuum structures. The idea is to transform the buckling topology optimization problem into a conventional topology optimization problem. To demonstrate the validity and capabilities of this approach three examples were optimized.
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