A Finite Element Study of Remote Field Eddy Current Nondestructive Test: Potential Discussion and Operator Analysis

Wang Yunyi

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A Finite Element Study of Remote Field Eddy Current Nondestructive Test: Potential Discussion and Operator Analysis

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- A Finite Element Study of Remote Field Eddy Current Nondestructive Test: Potential Discussion and Operator Analysis
- Acta Electronica Sinica Issue 6, Pages: 67-70(1998)
- 作者机构：
  
  1.   南京航空航天大学
  2.   东南大学毫米波国家重点实验室南京 210016
  3.   南京 210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP274.4
- Published：1998
- 稿件说明：
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[1]赵阳,王蕴仪.三维远场涡流无损探伤的有限元研究——位函数讨论及算子分析[J].电子学报,1998(06):67-70.

Wang Yunyi. A Finite Element Study of Remote Field Eddy Current Nondestructive Test: Potential Discussion and Operator Analysis[J]. Acta Electronica Sinica, 1998, (6): 67-70.
[1]赵阳,王蕴仪.三维远场涡流无损探伤的有限元研究——位函数讨论及算子分析[J].电子学报,1998(06):67-70. DOI：

Wang Yunyi. A Finite Element Study of Remote Field Eddy Current Nondestructive Test: Potential Discussion and Operator Analysis[J]. Acta Electronica Sinica, 1998, (6): 67-70. DOI：

摘要

本文从电磁场有限元出发研究了混和位和微分算子

得到适于远场涡流的A

V-A

-ψ模型及相应旋度-旋度算子下的有限元公式。数值模拟结果表明

模拟值与实验值相一致

这不仅验证了本文算法

同时还进一步解释了远场涡流探伤中的某些现象

说明文中方法具有一定的实用性。

Abstract

By using finite element method

the hybrid potentials and differential operators have been researched for remote field eddy current（RFEC） nondestructive test

and the formulations based on A

V-A

-φ model and ▽×▽ operator are obtained. Numerical Simulation shows good agreement with experiment and furthermore

it can be used to explain some phenomena in RFEC test.

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