Stability analysis of cold-formed channels using mathematical programming techniques

• Published in: Multidiscipline modeling in materials and structures Vol. 16; no. 6; pp. 1559 - 1576
• Main Author: Bedair, Osama
• Format: Journal Article
• Language: English
• Published: Bingley Emerald Publishing Limited 08.10.2020; Emerald Group Publishing Limited
• Subjects: Algorithms; Bending stresses; Buckling; Channels; Cold; Cold working; Cold-formed steel; Combined loading; Compression; Design optimization; Energy; Engineers; Finite strip method; Load; Mathematical analysis; Mathematical programming; Numerical analysis; Optimization; Potential energy; Skew angle; Stability analysis; Steel structures; Cold-formed steel; Buckling; Channels; Structural analysis; Mathematical programming

PurposeIn this work, a numerical algorithm is presented for stability analysis of cold-formed steel (CFS) channel sections.Design/methodology/approachA nonlinear optimization problem is formulated using energy-based technique of idealized channel section subject shear, compression and biaxial bendin...