涡流建模的分布式点源方法

IF 3 3区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Nondestructive Testing and Evaluation Pub Date : 2023-10-29 DOI:10.1080/10589759.2023.2274018

Pu Huang, Xiaofei Huang, Zhiying Li, Yuedong Xie

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引用次数: 0

摘要

摘要分布式点源法(DPSM)已逐渐应用于无损检测领域。DPSM作为一种半解析建模技术，对于解决各种工程问题，如超声场和电磁场，是非常强大和简单的。本文将该技术扩展到涡流场的建模，包括扫描频率测量和扫描缺陷。涡流传感器的结构由励磁线圈和霍尔器件、巨磁阻传感器等固态磁场测量传感器组成。此外，还描述了波的传播，并计算了涡流产生的磁场。将DPSM计算结果与有限元法计算结果在精度和计算时间方面进行了比较，表明DPSM可以在保证计算精度的同时提高计算速度。关键词:dpsm无损检测涡流扫描频率模式扫描缺陷披露声明作者未报告潜在的利益冲突。本研究得到中央高校基本科研业务费专项资金[KG12-1124-01]的支持;国家自然科学基金[61901022];北航博士研究生学术卓越基金

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Distributed point source method for eddy current modelling

ABSTRACTDistributed point source method (DPSM) has been gradually applied to the field of nondestructive testing (NDT). As a semi-analytical modelling technique, DPSM is extremely powerful and straightforward for solving various engineering problems, such as ultrasonic fields and electromagnetic field. In this paper, the technique is extended to model the eddy current field including sweep frequency measurement and scanning defect. The configuration of eddy current sensors consists of excitation coil and solid-state magnetic field measurement sensors such as Hall device and giant magnetoresistive sensor. Besides that, the wave propagation has been described and magnetic field created by eddy current has been calculated. The results obtained by DPSM is compared with that calculated by finite element method (FEM) in terms of accuracy and computation time, which indicates DPSM can improve calculation speed while ensuring calculation accuracy.KEYWORDS: DPSMnondestructive testingeddy currentsweep frequency modescanning defect Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was supported by the Fundamental Research Funds for the Central Universities [KG12-1124-01]; National Natural Science Foundation of China [61901022]; Academic Excellence Foundation of BUAA for PhD Students..

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来源期刊

Nondestructive Testing and Evaluation 工程技术-材料科学：表征与测试

CiteScore

4.30

自引率

11.50%

发文量

审稿时长

4 months

期刊介绍： Nondestructive Testing and Evaluation publishes the results of research and development in the underlying theory, novel techniques and applications of nondestructive testing and evaluation in the form of letters, original papers and review articles. Articles concerning both the investigation of physical processes and the development of mechanical processes and techniques are welcomed. Studies of conventional techniques, including radiography, ultrasound, eddy currents, magnetic properties and magnetic particle inspection, thermal imaging and dye penetrant, will be considered in addition to more advanced approaches using, for example, lasers, squid magnetometers, interferometers, synchrotron and neutron beams and Compton scattering. Work on the development of conventional and novel transducers is particularly welcomed. In addition, articles are invited on general aspects of nondestructive testing and evaluation in education, training, validation and links with engineering.