Safety factor and the non-deterministic approaches

Author Type

Faculty

Co-Author Type 1

Faculty

Co-Author Type 2

Outside Researcher

Co-Author Type 3

Outside Researcher

College

Engineering and Computer Science

Department

Ocean and Mechanical Engineering

Document Type

Article

Publication/Event/Conference Title

Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference

Publication Status

Version of Record

Abstract

This paper first gives a brief review of the concepts of the reliability of structures. Some closed-form solutions, as well as approximate methods are elucidated. Different attempts to describe probabilistically the so-called 'safety factor' are described and some instructive counter-examples are given. High sensitivity exhibited by the reliability of the structures is documented in a model structure. The same structure is also analyzed on the basis of non-probabilistic methods when only limited information is available on uncertain variables and functions. New interpretation of the safety factor through convex modeling is given.

First Page

3084

Last Page

3096

Publication Date

1-1-1999

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