Simulative Investigation of Wave Propagation in a Thin Plate Using Abaqus for the Application of Coda Wave Interferometry in Order to Detect Progressive Material Damage

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Beitragende

Abstract

Non-destructive testing methods are becoming increasingly important in materials research. A large part of these non-destructive testing methods is related to the investigation of wave propagation in the material structure. However, linear methods for evaluating the results obtained, such as determining the ultrasonic pulse velocity, reach their limits when it comes to detecting the smallest of damages in the material structure. Non-linear evaluation methods, such as Coda Wave Interferometry (CWI), on the other hand, offer the potential of detecting even marginal changes in the material. To demonstrate the potential of CWI, the propagation of Lamb waves in a thin plate was simulated using an explicit finite element analysis in ABAQUS. The plate was damaged incrementally and the simulation of the wave propagation was repeated for each damage state. Thus, it was possible to record progressive damage to the material structure in an increasing time offset of the Coda wave component of the simulated wave signal that represents the vibrating material structure. Subsequently analysing this time offset with CWI provided a reliable measure of the degree of material damage due to cracking.

Details

OriginalspracheEnglisch
TitelProceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials
Redakteure/-innenNawawi Chouw, Chunwei Zhang
Seiten617–627
Seitenumfang11
ISBN (elektronisch)978-981-97-3397-2
PublikationsstatusVeröffentlicht - Sept. 2024
Peer-Review-StatusJa

Publikationsreihe

Reihe Lecture notes in civil engineering
Band513
ISSN2366-2557

Schlagworte

ASJC Scopus Sachgebiete

Schlagwörter

  • ABAQUS, Coda Wave Interferometry, Non-destructive testing, Wave propagation