Implementation of an optimum algorithm for structural reliability analysis based on FEM

2006, Volume 1, Issue 4

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Frontiers of Mechanical Engineering >> 2006, Volume 1, Issue 4 doi: 10.1007/s11465-006-0061-8

Implementation of an optimum algorithm for structural reliability analysis based on FEM

School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China;

Available online: 2006-12-05

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Abstract

To analyze structural reliability by the stochastic FE (finite element) method rapidly and efficiently, a method combined with the FE method and gradient optimum algorithm based on ANSYS was presented when referring to the geometric interpretation of structural reliability index. ANSYS-based development was adopted to implement it. Results of an example demonstrate that the method requires fewer FE calculations compared with the design point method and Monte-Carlo simulation, and achieves satisfactory accuracy.

Keywords

satisfactory ; interpretation ; algorithm ; structural reliability ; stochastic FE

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