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Implementation of an optimum algorithm for structural reliability analysis based on FEM |
| CHENG Ying, TU Hong-mao, FAN Hong-li |
| School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China; |
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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.
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Issue Date: 05 December 2006
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