Predictive simulation of guide-wave structural health monitoring

Victor Giurgiutiu

doi:10.1117/12.2263325

28 April 2017 Predictive simulation of guide-wave structural health monitoring

Victor Giurgiutiu

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Proceedings Volume 10170, Health Monitoring of Structural and Biological Systems 2017; 1017002 (2017) https://doi.org/10.1117/12.2263325
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

This paper presents an overview of recent developments on predictive simulation of guided wave structural health monitoring (SHM) with piezoelectric wafer active sensor (PWAS) transducers. The predictive simulation methodology is based on the hybrid global local (HGL) concept which allows fast analytical simulation in the undamaged global field and finite element method (FEM) simulation in the local field around and including the damage. The paper reviews the main results obtained in this area by researchers of the Laboratory for Active Materials and Smart Structures (LAMSS) at the University of South Carolina, USA. After thematic introduction and research motivation, the paper covers four main topics: (i) presentation of the HGL analysis; (ii) analytical simulation in 1D and 2D; (iii) scatter field generation; (iv) HGL examples. The paper ends with summary, discussion, and suggestions for future work.

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Victor Giurgiutiu "Predictive simulation of guide-wave structural health monitoring", Proc. SPIE 10170, Health Monitoring of Structural and Biological Systems 2017, 1017002 (28 April 2017); https://doi.org/10.1117/12.2263325

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KEYWORDS

Structural health monitoring

Waveguides

Transmitters

Receivers

Wave propagation

Finite element methods

Transducers

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