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

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

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract: 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 | Structural members | Structural analysis | Probability | Structural behavior | Moment (mechanics) | Entropy methods |

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