Mathematical model for solving problems of electromagnetic flaw detection

被引：0
|
作者：
Shkatov, P.N. [1 ]
机构：
[1] All-Union Extramural Inst of, Engineering, Russia
来源：
The Soviet journal of nondestructive testing | 1988年 / 24卷 / 01期
关键词：
Electric Measurements - Current Distribution - Electromagnetic Field Effects - Computer Simulation - Electromagnetic Field Measurement - Mathematical Models - Metals and Alloys - Nondestructive Examination - Metals Testing - Defects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This article suggests a mathematical model for defects of continuity-type cracks under electromagnetic flaw detection conditions. The model describes the process of redistribution of current density in the flaw vicinity and the associated change of the magnetic field. The essence of the calculation method consists in representing current loops of complex shape by a set of circular loops with equivalent electromagnetic effect. The reliability of the model is confirmed by comparing the results of calculation and experiment. The calculations were carried out on an ES-1033 computer.
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页码：49 / 55
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