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Pengfei Zhang, Zhifeng Tang, Fuzai Lv and Keji Yang
Ultrasonic guided waves (UGWs) have attracted attention in the nondestructive testing and structural health monitoring (SHM) of multi-wire cables. They offer such advantages as a single measurement, wide coverage of the acoustic field, and long-range pro...
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Amir Ahmadian and Yashar Esfahani Monfared
In this paper, we propose a novel design of a photonic crystal fiber (PCF) with tellurite-cladding, three rings of air-holes and elliptical concentration of As2S3 in the fiber core. The combined effect of tight mode confinement (an effective mode area of...
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Marilyne Philibert, Constantinos Soutis, Matthieu Gresil and Kui Yao
Low velocity impact induces barely visible damage in the form of matrix cracking or delamination that can grow under hydro-thermo-mechanical loading and possibly lead to catastrophic failure if not detected at an early stage. A network of piezoelectric t...
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A. Habib, A. Shelke, U. Amjad, U. Pietsch and S. Banerjee
In this paper, a novel method to quantify the incubation of damage on piezoelectric crystal is presented. An intrinsic length scale parameter obtained from nonlocal field theory is used as a novel measure for quantification of damage precursor. Features ...
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Yaoye Zhang, Dongsheng Li and Zhi Zhou
This study identified depths of artificial pitting corrosion on the galvanized steel wires, frequently used in bridge cables, based on the time reversal method (TRM). Specifically, the multimode longitudinal ultrasonic guided waves are excited in terms o...
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