Journal ArticleDOI
Modeling of nonlinear interactions between guided waves and fatigue cracks using local interaction simulation approach.
Yanfeng Shen,Carlos E. S. Cesnik +1 more
TLDR
A parallel algorithm to model the nonlinear dynamic interactions between ultrasonic guided waves and fatigue cracks and the explicit contact formulation, the parallel algorithm, as well as the GPU-based implementation facilitate LISA's high computational efficiency over the conventional finite element method (FEM).About:
This article is published in Ultrasonics.The article was published on 2017-02-01. It has received 80 citations till now. The article focuses on the topics: Finite element method & Lamb waves.read more
Citations
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Journal ArticleDOI
Guided waves for damage identification in pipeline structures: A review
TL;DR: Guided waves find their niche in cost-effective damage identification in comparison with conventional nondestructive evaluation as well as future challenge in this field is summarized at the end of this review.
Journal ArticleDOI
Generation mechanism of nonlinear ultrasonic Lamb waves in thin plates with randomly distributed micro-cracks.
TL;DR: This study theoretically reveals that the low frequency S0 mode of Lamb waves can be used as the fundamental waves to quantitatively identify micro‐cracks in thin plates.
Journal ArticleDOI
Fatigue crack detection in pipes with multiple mode nonlinear guided waves
TL;DR: In this article, the authors used nonlinear guided waves between plate and pipe structures to detect fatigue crack detection using a nonlinear approach for analyzing nonlinearity of the wave propagation.
Journal ArticleDOI
Nonlinear features of guided wave scattering from rivet hole nucleated fatigue cracks considering the rough contact surface condition
Yanfeng Shen,Junzhen Wang,Wu Xu +2 more
TL;DR: In this article, a small-size numerical model based on the local interaction simulation approach is developed, enabling the efficient analysis of the contact acoustic nonlinearity during the wave crack interactions.
References
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Journal ArticleDOI
Nonlinear ultrasonic techniques for nondestructive assessment of micro damage in material: A review
TL;DR: In this paper, the authors reviewed the overall progress in nonlinear ultrasonic technique with the brief introduction of basic principle in the application of each nonlinear Ultrasonic phenomenon, including higher harmonic generation, subharmonic generation, nonlinear resonance, or mixed frequency response.
Journal ArticleDOI
Experimental characterization of fatigue damage in a nickel-base superalloy using nonlinear ultrasonic waves
TL;DR: In this article, the authors developed a robust experimental procedure to track the evolution of fatigue damage in a nickel-base superalloy with the acoustic nonlinearity parameter, β, and demonstrates its effectiveness by making repeatable measurements of β in multiple specimens, subjected to both high and low-cycle fatigue.
Journal Article
リラクサ強誘電体8/65/35plztとオルセンサイクルを用いる焦電廃熱エネルギー回収
Journal ArticleDOI
Modelling of Lamb waves for damage detection in metallic structures: Part II. Wave interactions with damage
BC Lee,W J Staszewski +1 more
TL;DR: In this paper, the local interaction simulation approach for Lamb wave propagation modelling in metallic structures is applied to analyze two-dimensional wave interactions with slot-type defects, and the results show the potential for complex modeling of acousto-ultrasonic waves in damage detection applications.
Journal ArticleDOI
Connection machine simulation of ultrasonic wave propagation in materials III: The three-dimensional case
TL;DR: An efficient simulation procedure for the study of ultrasonic wave progation in a material specimen of arbitrary complexity, designed to take advantage of the communication and parallel processing features of the Connection Machine.