Concepts and Methods in Reliability-Based Structural Optimization

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by Dan M. Frangopol, Univ of Colorado at Boulder, Dep of, Civil Engineering, Boulder, CO, USA,

Document Type: Proceeding Paper

Part of: Structural Safety Studies:

Abstract: This paper presents an overview of the major concepts and methods used in reliability-based structural optimization. New formulations related to multicriteria optimization are developed. Comparative results are presented when different criteria are used for the optimum design of a structure under service and/or ultimate reliability constraints. The numerical results are presented in the form of a comparative study based on different optimization formulations with respect to plastic collapse and/or loss of serviceability.

Subject Headings: Structural reliability | Comparative studies | Structural analysis | Optimization models | Numerical analysis | Plastics |

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