Elastic waves, especially guided waves, generated by a piezoelectric actuator/sensor
network, have shown great potential for on-line health monitoring of advanced aerospace …

The propagation characteristics of Lamb waves in composites, with emphasis on group
velocity and characteristic wave curves, are investigated theoretically and experimentally. In …

The growing use of composite structures in aerospace structures has attracted much interest
in structural health monitoring (SHM) for the localization of impact positions due to their poor …

There has been increasing interest in using the nonlinear features of acousto-ultrasonic
(AU) waves to detect damage onset (eg, micro-fatigue cracks) due to their high sensitivity to …

通过在线监测结构响应, 实时掌握结构的健康状况, 并在此基础上对可能发生的损伤和故障进行
预报, 以便能及时采取措施, 保证复合材料结构的服役安全. 综述了几种重要的结构健康监测方法 …

In the current investigation, an innovative time-domain damage index is introduced for the
first time which is based on local statistical features of the waveform. This damage index is …

Probability-based diagnostic imaging, as one of the damage identification methods using
ultrasonic guided waves, has been attracting increasing attention by researchers in the …

Structural health monitoring technology for aerospace structures has gradually turned from
fundamental research to practical implementations. However, real aerospace structures …

The Lamb wave-based structural damage detection technique is widely viewed as one of
the most encouraging tools for structural health monitoring. However, the propagation of …

This article presents a reverse-time migration technique to image damage by cross-
correlating forward and backward propagating wavefields in composite structures using …