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| Study of multiple plane combination approximate method for structural reliability analysis |
| Received:December 04, 2011 Revised:July 12, 2012 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx201303005 |
| KeyWord:structural reliability multi-plane combination spherical coordinates golden section equivalent main approximation plane |
| Author | Institution |
| 陆海涛 |
合肥工业大学机械与汽车工程学院, 合肥 ;淮阴工学院机械工程学院, 淮安 |
| 董玉革 |
合肥工业大学机械与汽车工程学院, 合肥 |
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| Abstract: |
| Based on the most probable failure point and the most probable failure domain obtained by AFOSM,an approximate border limit of the most probable failure domain is presented.One dimension search directions are generated by unit hyperspherical coordinates.To build approximation planes golden section algorithm is used to determine quickly the linearization points.A new multiple planes combination method is proposed to circumvent the disorder and blindness.Acorrding to the features of syetem consisted of approximate planes,an equivalent main approximate plane method is developed to estimate the structural failure probability based AFOSM.Finally,the number examples are provided to illustrate the feasibility and validity of the proposed method with acceptable accuracy and efficiency. |