金属管道瞬变电磁检测有限元分析.doc
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- 金属 管道 电磁 检测 有限元分析
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1、XX大学毕业设计(论文)题 目: 金属管道瞬变电磁检测有限元分析 学 院: 测试与光电工程学院专业名称: 测控技术与仪器班级学号: 学生姓名: 指导教师: 二Oxx 年 六月 金属管道瞬变电磁检测有限元分析摘要:众所周知,金属管道已被广泛应用于石油、天然气、水等资源运输,但是随着管道使用年限的增金属管道的侵蚀已不可避免。侵蚀将会极大的缩短管道的使用年限。瞬变电磁法利用瞬变电磁手段评估金属管道的剩余壁厚,是一种建立在电磁感应原理基础上的时间域人工源电磁探测方法。因为瞬变电磁检测法具有简单易行、信息量丰富、耦合噪声小等优点,并可实现在役、非开挖检测,瞬变电磁检测法已经被越来越多的应用于埋地金属管道
2、检测。 ANSYS是专业的有限元分析软件,其功能强大在多领域多变工程问题的求解有着广泛的应用。它可以非常方便的对各种实际中的工程问题进行建模和求解,并可以直观地体现目前还不易观测、任何试验都无法看到的发生在构造内部的一些物理现象,且ANSYS的仿真结果与实际十分接近,于是可以利用ANSYS仿真瞬变电磁法对金属管道的检测,为瞬变电磁检测金属管道的机理提供依据。关键词:瞬变电磁检测,金属管道,有限元分析,ANSYS Metal pipes Finite Element Analysis of Transient Electromagnetic DetectionAbstract:As we all
3、 know, the metal pipe has been widely used in petroleum, natural gas, water, transportation and other resources, but with the age increase pipeline corrosion of metal pipes have been inevitable. Erosion will greatly shorten the life of the pipeline. TEM method using transient electromagnetic means t
4、o assess the remaining wall thickness of metal pipes, is based on the principle of electromagnetic induction time domain electromagnetic method for detecting an artificial source establishment. Because transient electromagnetic detection method is simple, informative, coupling noise, etc., and can b
5、e implemented in-service, non-excavation detection, transient electromagnetic detection method has been used more and more buried metal piping testing. ANSYS is a professional finite element analysis software, its powerful and varied in many fields of engineering problems to solve with a wide range
6、of applications. It can be very convenient for a variety of practical engineering modeling and solving problems, and can be directly reflected yet easy observation, we can not see any trial takes place in the internal structure of a number of physical phenomena, and ANSYS simulation results of the a
7、ctual very close, so you can use ANSYS simulation of transient electromagnetic method to detect metal pipes, provide the basis for the mechanism of transient electromagnetic detection of metal pipes.Keywords: Transient Electromagnetic method, Metal pipes, Finite Element Analysis,ANSYS目 录1 绪论1.1 瞬变电磁
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