Shape optimisation of stainless steel corrugated cylindrical shells for additive manufacturing

• Published in: Engineering structures Vol. 270; p. 114857
• Main Authors: Zhang, Ruizhi, Meng, Xin, Gardner, Leroy
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.11.2022; Elsevier BV
• Subjects: 3D printing; Additive manufacturing; Algorithms; Axial compression; Buckling; CAD; Circular shells; Computer aided design; Corrugated cylindrical shells; Corrugated shells; Cylindrical shells; Defects; Design specifications; Diameters; Free form; Imperfection sensitivity; Initial geometric imperfections; Load resistance; Manufacturing; Particle Swarm Optimisation (PSO); Particle swarm optimization; Powder beds; Sensitivity analysis; Shell buckling; Shells; Stainless steel; Stainless steels; Stringers; Tensile stress; Shell buckling; Corrugated cylindrical shells; Stainless steel; Additive manufacturing; Imperfection sensitivity; Axial compression; Particle Swarm Optimisation (PSO); 3D printing

•Shape optimisation of axially compressed free-form wavy cylindrical shells conducted;•Optimised shell geometries analysed in terms of buckling resistance and imperfection sensitivity;•Optimisation framework based on Particle Swarm Optimisation algorithm fully described;•Effects of length and diamet...