基于 Jensen-Shannon Divergence 和 Wasserstein Distance 的初生近表面裂缝特征描述和裂缝尺寸估算

IF 2.6 3区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Journal of Nondestructive Evaluation Pub Date : 2024-07-16 DOI:10.1007/s10921-024-01105-5

Xiaoxia Zhang, Chao Wang, Claude Delpha, Xusheng Hu, Xiaodong Xing, Chunhuan Guo, Jianwen Meng, Junjie Yang

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引用次数: 0

摘要

本文介绍了一种表征和估算萌芽裂缝尺寸的新方法，利用詹森-香农发散和瓦瑟斯坦距离进行精确测量。本文提出了一种新颖的信号校正方法，结合有限元建模可以扩展实验数据。经验证，该方法可精确量化面积小至 0.02 mm\(^2\) 的萌生裂缝，表面估计的最大相对误差为 3.5%，并能准确辨别裂缝大小的变化。这样就能更准确地预测对结构健康监测至关重要的裂缝尺寸。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Incipient Near Surface Cracks Characterization and Crack Size Estimation based on Jensen–Shannon Divergence and Wasserstein Distance

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Incipient Near Surface Cracks Characterization and Crack Size Estimation based on Jensen–Shannon Divergence and Wasserstein Distance

This paper introduces a novel approach for characterizing and estimating the size of incipient cracks, employing Jensen–Shannon divergence and Wasserstein distance for precise measurement. A novel signal correction method is proposed and coupled with Finite Element Modeling can extend the experimental data. The method is verified to accurately quantify incipient cracks with areas as small as 0.02 mm\(^2\), with a maximum relative error of 3.5% in surface estimation, and accurately discern variations in crack sizes. This allows for more accurate predictions of crack dimensions crucial for structural health monitoring.

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来源期刊

Journal of Nondestructive Evaluation 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

7.10%

发文量

审稿时长

9 months

期刊介绍： Journal of Nondestructive Evaluation provides a forum for the broad range of scientific and engineering activities involved in developing a quantitative nondestructive evaluation (NDE) capability. This interdisciplinary journal publishes papers on the development of new equipment, analyses, and approaches to nondestructive measurements.