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Global Sensitivity Analysis of the Buckling Strength for Battened Built-up Columns Steel Considering Shear Deformations
Authors: Ngoc-Long Tran and Trong-Ha Nguyen
421    0
Lecture Notes in Civil Engineering
: Vol 145     : 45-51
: https://doi.org/10.1007/978-981-16-0053-1_6
Publishing year: 4/2021
The Battened built-up steel columns are widely used in civil engineering and industrial structures. The response of this structure depends on the material properties, geometric dimensions, shear stiffness, and also boundary conditions that are potentially random sources. The objective of this study is to perform the global sensitivity analysis, and then to assess the influence of input random parameters on the elastic critical column load of the battened built-up steel columns. The elastic critical column load of the battened built-up steel columns proposed in previous studies is adopted. The influence of the input random variables of the structure is evaluated using Sobol’s global sensitivity analysis. Monte Carlo simulation is also employed to rank the influence of input random variables.
Buckling strength Steel column Sensitivity Global sensitivity Sobol’s indices Monte Carlo simulations
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