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| Uncertain propagation based on the Cluster-Ellipsoid model |
| Received:March 08, 2017 Revised:July 06, 2017 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx20170308001 |
| KeyWord:uncertain propagation Cluster-Ellipsoid model performance measure approach Monte Carlo simulation |
| Author | Institution |
| 刘浩 |
广东美的暖通设备有限公司, 佛山 ;湖南大学 机械与运载工程学院, 长沙 |
| 杨开云 |
湖南大学 机械与运载工程学院, 长沙 |
| 张德权 |
湖南大学 机械与运载工程学院, 长沙 |
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| Abstract: |
| A non-probabilistic uncertainty propagation scheme was proposed for stochastic structures based on a Cluster-Ellipsoid model.Firstly,the Cluster-Ellipsoid model was decomposed into a series of sub-ellipsoid models.After that,the sub-boundaries of structural response can be determined in the several sub-ellipsoid models.And then,the boundaries of the structural response are obtained from all the boundaries of sub-ellipsoid models.Considering the computational accuracy and efficiency in uncertainty propagation,the traditional non-probabilistic uncertainty propagation and the performance-measure-approach-based schemes are introduced to calculate the sub-boundaries of the response in this study.Finally,three numerical examples demonstrate the effectiveness of the proposed method |
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