| The joint long-term distribution of design environmental factors for offshore structures Multivariate probabilities and simulating method |
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| 作者姓名： | Shi Jiangang Liu Defu Wang Zheng |
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| 作者单位： | Shi Jiangang，Liu Defu and Wang Zheng Department of Ocean Engineering and Naval Architecture，Tianjin University，Tianjin 300072，China |
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| 摘 要： | With the development of ocean engineering, it is one of the most important factors which determine the structural safety, cost and suitable forms of engineerings to select the ocean environmental design criteria. Owing to the complexity , variation and randomness of ocean environmental conditions, the commonly used methods for determining design criteria cannot consider the joint occurring probabilities of several environmental factors ,therefore, lead to overestimate design criteria of them and result in an unnecessary overspend invest in engineering. On the basis of the measured and hindcasting data and the multi-demension joint probability theory, this paper presented the study of the joint loads of wind , wave and current on the offshore structures and its responsible joint probability level with the application of random simulation techniques, and presented the joint design criteria of environmental loads for the realistic design of engineerings.
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| 关 键 词： | Environmental loads multivariate joint probabilities simulation techniques |
| 收稿时间： | 8/6/1992 12:00:00 AM |
| 修稿时间： | 2/5/1993 12:00:00 AM |
The joint long-term distribution of design environmental factors for offshore structures Multivariate probabilities and simulating method |
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| Shi Jiangang,Liu Defu,Wang Zheng.The joint long-term distribution of design environmental factors for offshore structures Multivariate probabilities and simulating method[J].Acta Oceanologica Sinica,1993,12(3):465-474. |
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| Authors: | Shi Jiangang Liu Defu and Wang Zheng |
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| Institution: | Department of Ocean Engineering and Naval Architecture, Tianjin University, Tianjin 300072, China |
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| Abstract: | With the development of ocean engineering, it is one of the most important factors which determine the structural safety, cost and suitable forms of engineerings to select the ocean environmental design criteria. Owing to the complexity , variation and randomness of ocean environmental conditions, the commonly used methods for determining design criteria cannot consider the joint occurring probabilities of several environmental factors ,therefore, lead to overestimate design criteria of them and result in an unnecessary overspend invest in engineering. On the basis of the measured and hindcasting data and the multi-demension joint probability theory, this paper presented the study of the joint loads of wind , wave and current on the offshore structures and its responsible joint probability level with the application of random simulation techniques, and presented the joint design criteria of environmental loads for the realistic design of engineerings. |
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| Keywords: | Environmental loads multivariate joint probabilities simulation techniques |
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