Abstract
The Cold Formed Steel (CFS) Wall Panels are generally utilized as the structural components in low- and mid-rise CFS structures (residential & industrial buildings). This study presents the Nonlinear Finite Element Analyses (NFEA) using ANSYS of CFS wall panels with 10 different configurations. The non-linearity in the numerical model presented consists of materialistic nonlinearity, geometric imperfections and connection nonlinearity. In this paper, CFS wall panels’ response is obtained based on the nonlinear behavior of the structural components. The numerical simulations of geometric imperfection in the models are considered are based on the 1st and 2nd eigenvalue buckling modes. The effect of screw spacing and sheathing has been studied. The analyses results of numerical modelling using ANSYS for axial strength are compared with American Iron and Steel Institute (AISI) specifications.
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