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Finite Element Simplified Fatigue Analysis Method for a Non-tubular Joint of an Offshore Jacket Platform 被引量:2

Finite Element Simplified Fatigue Analysis Method for a Non-tubular Joint of an Offshore Jacket Platform
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摘要 This paper proposes the finite element simplified fatigue analysis method for fatigue evaluation of the composite non-tubular joint structure of an offshore jacket subjected to wave loads. The skirt pile sleeve of the offshore jacket, which had been in service, was taken as an example of the non-tubular joint structure. SACS software was used for global analysis of multi-directional wave loads for the jacket platform, and ALGOR software was used to build a finite element model, perform finite element analysis, post-process stress results for acquiring the stress range, and perform fatigue evaluation. The analysis results indicate that the extreme stress range is within the allowable stress range and meets the requirements of DNV code. That means the simplified fatigue analysis method is effective and can be used in fatigue design for the non-tubular joint structure of an offshore jacket.
出处 《Journal of Marine Science and Application》 2011年第3期321-324,共4页 船舶与海洋工程学报(英文版)
关键词 offshore jacket platform skirt pile sleeve finite element fatigue evaluation 海洋导管架平台 有限元模型 疲劳分析 管状结构 ALGOR软件 应力范围 波浪载荷 疲劳评价
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