This month's Insight

April 2026 – Vol 68 No 4 



Comment, by Dr K Atherton

NEWSDESK: New dimensions in computed tomography

OBITUARY: Geoffrey Parrish

Institute News 222


SPECIAL FEATURE: STRUCTURAL HEALTH MONITORING

Acoustic emission source location based on arrayed fibre grating sensors,

by Bo Liu, Rui Pei and Yuting Cai

Application of non-destructive testing technology in underwater tunnel measurement of reservoirs,

by Wenhui Wang, Fumeng Ye and Yumin Peng

Method for measuring multi-point displacements of structures using Hough transform and optical flow tracking,

by Dong Wang, Tao Xu, Shoujing Zang, Yang Dai and Haihui Tan

Unsupervised anomaly detection method for aero engine gas path based on Memory-AAE,

by Xingchen Liu, Chenfeng Sun, Tao Li, Kaifu Ji and Tianqi Zhang


FEATURES

Digital twin-based monitoring of physical quantities and joint mechanical properties in friction stir welding,

by Zhuo Sun, Banghua Yang, Zhe Liu and Xiaohong Lu

High-greyscale X-ray film image enhancement algorithm based on brightness gain compensation and blackbody radiation chromatography remapping,

by Mengyu Sun, Xiaoyan Li, Cheng Luo, Peng Wang, Lin Tang, Liangliang Li and Zhigang Lv



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