Journal ArticleDOI
Numerical simulation of the Lamb wave propagation in honeycomb sandwich panels: A parametric study
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TLDR
In this paper, a piezoelectric actuator is used to excite the Lamb wave on the sandwich panel surface, and the results from the extended model and the simplified model are in most cases in a good agreement.About:
This article is published in Composite Structures.The article was published on 2013-03-01. It has received 46 citations till now. The article focuses on the topics: Sandwich panel & Lamb waves.read more
Citations
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Journal ArticleDOI
Guided wave based structural health monitoring: A review
TL;DR: In this paper, the authors provide a state-of-the-art review of guided wave based structural health monitoring (SHM) and highlight the future directions and open areas of research in guided wave-based SHM.
Journal ArticleDOI
Simulation Methods for Guided Wave-Based Structural Health Monitoring: A Review
TL;DR: The state-of-the-art in numerical wave propagation analysis on guided wave-based structural health monitoring (SHM) applications is reviewed, and various numerical methods are discussed and assessed with respect to their capability of simulating guided wave propagation phenomena.
Journal ArticleDOI
Numerical analysis of Lamb waves using the finite and spectral cell methods
TL;DR: In this article, the spectral cell method is proposed to combine the finite cell method with the spectral element method for the analysis of wave propagation phenomena, which is referred to as the spectralcell method.
Journal ArticleDOI
On-line updating Gaussian mixture model for aircraft wing spar damage evaluation under time-varying boundary condition
TL;DR: Wang et al. as mentioned in this paper proposed an online updating Gaussian Mixture Model (GMM)-based damage evaluation method to improve damage evaluation reliability under time-varying conditions, where Lambwave-signal variation indexes and principle component analysis (PCA) are adopted to obtain the signal features.
Journal ArticleDOI
Reduction of the sound transmission of a periodic sandwich plate using the stop band concept
TL;DR: In this article, a periodic sandwich plate consisting of a host plate and the attached structures is designed, and the dispersion relation and the stop band of the periodic plate are studied.
References
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Proceedings ArticleDOI
Modeling wave propagation in damped waveguides of arbitrary cross-section
TL;DR: In this article, a semi-analytical finite element (SAFE) method for modeling wave propagation in waveguides of arbitrary cross-section is proposed, and the dispersive solutions are obtained in terms of phase velocity, group velocity, energy velocity, attenuation and cross-sectional mode shapes.
Journal ArticleDOI
On the determination of phase and group velocities of dispersive waves in solids
Wolfgang Sachse,Yih-Hsing Pao +1 more
TL;DR: In this article, a new technique is developed to determine the dispersion relation and the propagational speeds of waves in dispersive solids, which can be applied to measurements of acoustic or electromagnetic wave speeds in other dispersive media.
Journal ArticleDOI
Wave beaming effects in two-dimensional cellular structures
TL;DR: In this paper, the authors evaluate the dynamic behavior of two-dimensional cellular structures, with the focus on the effect of the geometry of unit cells on the dynamics of the propagation of elastic waves within the structure.
Journal ArticleDOI
Group velocity and characteristic wave curves of Lamb waves in composites: Modeling and experiments
Lei Wang,Fuh-Gwo Yuan +1 more
TL;DR: In this article, the dispersive and anisotropic behavior of Lamb waves in a two different types of symmetric laminates is studied theoretically and experimentally, with emphasis on group velocity and characteristic wave curves.
BookDOI
Damage Prognosis: For Aerospace, Civil and Mechanical Systems
TL;DR: In this article, Farrar, N. A. Balthazar and B. J. Holden proposed a model for predicting crack propagation using the Boundary Element Method, which is based on the Lamb Wave Methods in Structural Health Monitoring.
Related Papers (5)
Guided Lamb waves for identification of damage in composite structures: A review
Zhongqing Su,Lin Ye,Ye Lu +2 more