A modelling technique to investigate the effects of quasi-static loads on guided-wave based structural health monitoring systems
Forces in Mechanics, ISSN: 2666-3597, Vol: 9, Page: 100125
2022
- 22Citations
- 12Captures
- 1Mentions
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Study Findings on Mechanical Engineering Published by Researchers at University of Campania (A modelling technique to investigate the effects of quasi-static loads on guided-wave based structural health monitoring systems)
2022 DEC 09 (NewsRx) -- By a News Reporter-Staff News Editor at Engineering Daily News -- Investigators publish new report on mechanical engineering. According to
Article Description
Guided wave-based methods for damage detection have been widely investigated as techniques to identify damages and their dimensions in structures. Most of the research activities presented in literature have been performed focusing on simple case studies in a laboratory environment, whereas Structural Health Monitoring systems should be investigated under operational loading conditions. When subjected to an operational load, propagation mechanisms can change, suffering from the interaction between propagating signal and scattered waves due to an initial stress-strain state, and so leading to errors in damage sites estimation. In this work, a numerical model, based on Finite Element approach, is proposed to investigate the effects of an initial stress-strain state, induced by a quasi-static load, on guided-wave propagation mechanisms. The case study consists of a real structure, a blended winglet of a general aviation aircraft. The methodology was assessed with reference to different scenarios.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2666359722000543; http://dx.doi.org/10.1016/j.finmec.2022.100125; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85142768971&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S2666359722000543; https://dx.doi.org/10.1016/j.finmec.2022.100125
Elsevier BV
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