Digital twin is a generic term used across disciplines to mean a digital copy of a physical
entity. Facilitated by the new generation of information technology, the digital twin has drawn …

Abnormal damages in railway axles can lead to a significant hazard to running safety and
reliability. To this end, a surface treatment was selected to effectively inhibit fatigue crack …

Applying life estimation approaches to determine in-service life of structures and plan the
inspection schedules accordingly are becoming acceptable safety design procedures in …

For estimating the probability of detection (POD) in non-destructive evaluation (NDE), there
are two standard methods, the so-called â versus a approach and the hit/miss approach …

为了研究表面强化车轴的裂纹扩展行为, 提出了基于裂纹扩展行为表征与探伤概率结合的剩余
寿命预测方法. 首先, 基于线弹性有限元裂纹扩展方法, 考虑车轴表面残余应力及裂纹扩展闭合 …

This paper develops a model-assisted approach for determining predictive probability of
detection curves. The approach is “model-assisted,” as the damage-sensitive features are …

In this paper, a series of experimental investigations was performed on full-scale railway
axles to analyze the fatigue crack growth behavior of EA4T steel under load spectrum …

Fatigue cracks increase structural failure risk and timely maintenance is very important.
Maintenance planning is often formulated as a probabilistic optimization problem …

Obtaining the ultrasonic probability of the detection (POD) curve of railway hollow axle
cracks through experiments in an effective way has always been a pending issue. A new …

A reliable and accurate inspection of the hollow axle inner surface is important for the safe
operation of high-speed trains. In order to improve the reliability of the inspection, a flexible …