Implementation of an optimum algorithm for structural reliability analysis based on FEM |
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Authors: | Cheng Ying Tu Hong-mao Fan Hong-li |
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Affiliation: | (1) 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. __________ Translated from Transactions of Beijing Institute of Technology, 2006, 26 (4) (in Chinese) |
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Keywords: | structural reliability optimum algorithm ANSYS stochastic finite element method |
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