Uncertainty Quantification Of Guided Wave Structural Health Monitoring For Aeronautical Composite Structures

This monograph presents a Guided Wave Structural Health Monitoring (GWSHM) system for aeronautical composite structures. Particular attention is paid to the development of a reliable and reproducible system with the capability to detect and localise barely visible impact damage (BVID) in Carbon-Fibre Reinforced Polymer (CFRP) structures.A novel sensor installation method that offers ease of application and replacement as well as excellent durability is introduced. Electromechanical Impedance (EMI) is also introduced to assess the durability of the sensor installation methods in simulated aircraft operational conditions, including thermal cycles, fatigue loading and hot-wet conditions.Damage characterisation using GWSHM is described and used to investigate damage in different CFRP structures. Key issues in guided wave-based damage identification are highlighted and addressed, including wave mode and frequency selection, the influence of dynamic load, the validity of simulated damage, and the sensitivity of guided waves to impact damage in different CFRP materials.The influence of temperature on guided wave propagation in anisotropic CFRP structures is described, and a novel baseline reconstruction approach for temperature compensation is presented. Finally, a multi-level hierarchical approach for the quantification of an ultrasonic GWSHM system is presented.

General

Imprint:	World Scientific Europe Ltd
Country of origin:	United Kingdom
Series:	Computational and Experimental Methods in Structures, 14
Release date:	October 2023
Authors:	Nan Yue • Zahra Sharif Khodaei • M.H. Ferri Aliabadi
Pages:	200
ISBN-13:	978-1-80061-469-7
Categories:	Books
LSN:	1-80061-469-1
Barcode:	9781800614697

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