Acoustic emission (AE) fatigue-crack source modeling and simulation using moment tensor concept

Roshan Joseph; Victor Giurgiutiu

doi:10.1117/12.2559958

26 May 2020 Acoustic emission (AE) fatigue-crack source modeling and simulation using moment tensor concept

Roshan Joseph, Victor Giurgiutiu

Proceedings Volume 11379, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2020; 113791J (2020) https://doi.org/10.1117/12.2559958
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only

Abstract

Acoustic emission (AE) is a well-developed structural health monitoring method that relies on capturing the elastic waves generated by the energy released during crack formation in a solid medium A novel modeling approach based on moment tensor concept is presented in this paper to simulate AE due to fatigue crack. The AE source due to fatigue crack growth and rubbing/clapping was assumed as components of moment tensor source, and the simulation was performed. The simulation results were compared with experimental observations, and a good agreement of simulation and experiment was observed.

Citation Download Citation

Roshan Joseph and Victor Giurgiutiu "Acoustic emission (AE) fatigue-crack source modeling and simulation using moment tensor concept", Proc. SPIE 11379, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2020, 113791J (26 May 2020); https://doi.org/10.1117/12.2559958

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