Critical Buckling Load Statistics of an Uncertain Column

by Garrett D. Jeong, Purdue Univ, West Lafayette, United States,

Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability


The objective of this paper is to examine the statistics of the buckling load of a column with uncertain material properties. The elastic modulus is assumed to be a random process that varies along the axis of the column. The random process is described by its mean and autocorrelation function. The column is analyzed by the stochastic finite element method using a perturbation approach with verification by Monte Carlo simulation.

Subject Headings: Finite element method | Material properties | Buckling | Statistics | Probability | Critical loads | Stochastic processes

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