| 基于位移模态叠加法的压力管道腐蚀损伤检测 |
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| 引用本文： | 徐忠成,蒲建国,王晓钢,李刚,赵云峰,王盛辉,郭杏林.基于位移模态叠加法的压力管道腐蚀损伤检测[J].管道技术与设备,2011(3):48-50,53. |
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| 作者姓名： | 徐忠成 蒲建国 王晓钢 李刚 赵云峰 王盛辉 郭杏林 |
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| 作者单位： | 大连市锅炉压力容器检验研究院;大连理工大学工业装备结构分析国家重点实验室; |
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| 基金项目： | 辽宁省质量技术监督局科技计划项目(20076013) |
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| 摘 要： | 基于结构模态分析原理,针对压力管道中常见的大面积腐蚀缺陷,给出了一种新的无损检测方法--位移模态叠加法.位移模态叠加法以位移模态作为模态分析的基本参数,通过对模态信息进行叠加、识别和优化,实现对缺陷的准确定位.该方法综合考虑缺陷位置及敏感振型对参数识别的影响,有效提高了位移模态方法的损伤识别能力.采用有限元分析软件AN...
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| 关 键 词： | 压力管道 腐蚀损伤 模态分析 位移模态 模态叠加法 |
Detection of Corrosive Damage to Pressure Pipeline Based on Displacement Mode Superposition Method |
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| XU Zhong-cheng,PU Jian-guo,WANG Xiao-gang,LI Gang,ZHAO Yun-feng,WANG Sheng-hui,GUO Xing-lin.Detection of Corrosive Damage to Pressure Pipeline Based on Displacement Mode Superposition Method[J].Pipeline Technique and Equipment,2011(3):48-50,53. |
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| Authors: | XU Zhong-cheng PU Jian-guo WANG Xiao-gang LI Gang ZHAO Yun-feng WANG Sheng-hui GUO Xing-lin |
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| Institution: | XU Zhong-cheng1,PU Jian-guo1,WANG Xiao-gang1,LI Gang1,ZHAO Yun-feng1,WANG Sheng-hui2,GUO Xing-lin2 (1.Dalian Boiler and Pressure Vessel Inspection Institute,Dalian 116013,China,2.State Key Laboratory of Structural Analysis for Industrial Equipment,Dalian University of Technology,Dalian 116024,China) |
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| Abstract: | Based on the analytic principle of a vibration modal,aiming at the frequent large-area corrosion defects in pressure pipeline,this paper propose a new NDT method:displacement mode superposition method.The displacement mode superposition method takes the displacement mode as the basic parameter for modal analysis,actualizing the accurate detection of damaged parts through the process of superposition,identification and optimization of modal information.This method considers damaged parts and the sensitive mo... |
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| Keywords: | pressure pipeline corrosion damage modal analysis displacement mode mode superposition method |
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