| 海洋平台复杂节点阴极保护电位分布的有限元法计算 |
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| 引用本文： | 王爱萍,杜敏,陆长山,曹圣山,王庆璋.海洋平台复杂节点阴极保护电位分布的有限元法计算[J].中国海洋大学学报(自然科学版),2007,37(1):129-134. |
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| 作者姓名： | 王爱萍 杜敏 陆长山 曹圣山 王庆璋 |
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| 作者单位： | 1. 中国海洋大学,山东,青岛,266100
2. 海洋石油工程股份有限公司设计公司,天津,300452 |
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| 摘 要： | 了解阴极保护电位分布是合理设计阴极保护工程的必要条件和评价阴极保护效果的重要依据。本文应用有限元素法(FEM)计算海洋平台复杂节点表面的阴极保护电位分布。在实验室通过边界条件试验建立数学模型,计算海水中被保护的I,Y,K型复杂节点电位分布情况。计算结果与测量结果吻合得很好,说明FEM能够应用于海洋平台复杂节点阴极保护电位分布的计算,所获得的边界条件合理。
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| 关 键 词： | 海洋平台 阴极保护 电位分布 有限元计算 |
| 文章编号： | 1672-5174(2007)01-129-06 |
| 修稿时间： | 2006-10-29 |
Finite Element Method for an Offshore Platform with Complex Nodes with a Cathodic Protection System |
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| WANG Ai-Ping,DU Min,LU Chang-Shan,CAO Sheng-Shan,WANG Qing-Zhang.Finite Element Method for an Offshore Platform with Complex Nodes with a Cathodic Protection System[J].Periodical of Ocean University of China,2007,37(1):129-134. |
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| Authors: | WANG Ai-Ping DU Min LU Chang-Shan CAO Sheng-Shan WANG Qing-Zhang |
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| Institution: | 1. Ocean University of China, Qingdao 255100, China; 2. Offshore Oil Engineering Co., LID-Engineering Company, Tianjin 300452, China |
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| Abstract: | Understanding the potential distribution of offshore platform with an cathodic protection in seawater is essential and important for evaluating the results of cathodic protection.The finite element method(FEM)was applied to calculate the potential distribution of a cathodically protected offshore platform,especially for a platform with nodes complex node in this paper.Through boundary condition experiments a mathematical model was established,and the potential distributions for the T-,Y-and K-type of node models were calculated.The calculated results were agreed well with the measured data.The results indicated that the FEM could be applied to calculate the potential distribution of offshore nodes complex section with cathodic protection,and the boundary conditions obtained were reasonable. |
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| Keywords: | offshore cathodic protection potential distribution FEM |
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