Abstract
This paper describes Finite Element (FE) analyses of cold-rolled aluminium alloy 5052-H26 columns subjected to distortional buckling using the program ABAQUS. The results of distortional buckling tests in an experimental program performed at the University of Sydney are fully described in a companion paper. The simulation results are compared and validated against the distortional buckling tests. In detailed FE models, effects of such input parameters as mechanical properties of flat and corner areas and initial geometric imperfections are considered. The FE ultimate strengths are in good agreement with the experimental results. Therefore, the FE analysis can be used to predict the ultimate loads of cold-rolled aluminium alloy members including the post-buckling behaviour of thin-walled aluminium sections in compression subjected to distortional buckling. It is indicated that the reliable FE models in this study can be used to extend data range for future calibration of distortional buckling strength curve for design of cold-rolled aluminium columns.
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Acknowledgement
Funding provided by the Australian Research Council for Linkage Project Grant LP140100563 between BlueScope Permalite and the University of Sydney has been used to perform this research. The authors would like to thank Permalite Aluminium Building Solutions Pty Ltd for the supply of the test specimens and financial support for the project.
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Huynh, L.A.T., Pham, C.H., Rasmussen, K.J.R. (2020). Numerical Simulation of Cold-Rolled Aluminium Alloy 5052 Columns Subjected to Distortional Buckling. In: Ha-Minh, C., Dao, D., Benboudjema, F., Derrible, S., Huynh, D., Tang, A. (eds) CIGOS 2019, Innovation for Sustainable Infrastructure. Lecture Notes in Civil Engineering, vol 54. Springer, Singapore. https://doi.org/10.1007/978-981-15-0802-8_44
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DOI: https://doi.org/10.1007/978-981-15-0802-8_44
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