Higher Moments Descriptions of Uncertain Quantities in the Analysis of Structural Components

by Claudio Carino, Univ of Pavia, Italy,
Fabio Carli, Univ of Pavia, Italy,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


Maximum-entropy and asymptotic models for probability densities with application to the uncertain behavior of a structural component are considered. In particular, they are studied with the aim of describing the non-normal behavior of a function R(X) of random quantities, when a quadratic approximation to R is provided. Higher order moments involved in such models are evaluated through closed-form formulae derived from the analysis of a resulting standard quadratic form.

Subject Headings: Structural models | Mathematical models | Entropy methods | Structural members | Moment (mechanics) | Probability | Structural analysis | Uncertainty principles

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