研究了飞机涂层下方隐藏腐蚀脉冲太赫兹检测的电磁建模与分析问题。使用麦克斯韦方程组的轴对称形式建立时域微分方程数学模型, 应用时域有限元法求解, 给出了数值算例, 模拟了在不同缺陷参数下涂有电介质的导体对入射脉冲太赫兹波的响应, 并归纳了响应在空间上和时间上的变化规律。结果显示, 该方法可以用于分析和预测脉冲太赫兹检测过程中的电磁现象, 并且为进一步发展脉冲太赫兹无损检测技术提供了一定的理论依据。
所属栏目
科研成果与学术交流国家自然科学基金资助项目(50777002)
收稿日期
2009/3/6
作者单位
张雯:北京航空航天大学 自动化科学与电气工程学院, 北京100191
备注
张雯(1981-), 女, 博士研究生, 研究方向为电磁无损检测方法与技术。
引用该论文:
ZHANG Wen.Modeling and Analysis for Pulsed Terahertz Nondestructive Testing of Hidden Corrosion[J].Nondestructive Testing,2009,31(10):790～795
张雯.隐藏腐蚀脉冲太赫兹无损检测的建模与分析[J].无损检测,2009,31(10):790～795
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