Results 21 to 30 of about 335,890 (336)

New type of guided waves in birefringent media [PDF]

open access: yes, 1993
The existence of waves guided by thin dielectric films deposited over a positive birefringent crystal for waveguide parameters below usual cutoff is discussed.
Mihalache, Dumitru   +2 more
core   +2 more sources

Managing Complexity, Uncertainty, and Variability in Guided Wave Structural Health Monitoring

open access: yesSICE Journal of Control, Measurement, and System Integration, 2017
Guided waves are an attractive tool for monitoring large structures. They are able to interrogate sizable areas at once, are sensitive to structural damage, and carry information about the damage location.
Joel B. Harley   +3 more
doaj   +1 more source

Flow estimation in a steel pipe using guided waves [PDF]

open access: yes, 2016
In this investigation, a flow rate estimation guided wave based scheme in pipes is proposed. The effect of the fluid over the propagation of longitudinal waves has been experimentally studied by using several laminar flows of water transported by a ...
Mujica Delgado, Luis Eduardo   +4 more
core   +3 more sources

Study on Defect Monitoring of Buried Pipelines Based on Piezoelectric Ceramic Transducer

open access: yesShiyou jixie, 2022
In order to monitor the defects in buried pipelines accurately,the piezoelectric ceramic transducer was applied to excite longitudinal mode ultrasonic guided waves in buried pipelines.In this paper,the propagation of ultrasonic guided waves in buried ...
Xu Yang, Luo Mingzhang, Du Guofeng
doaj  

Transverse waves in a post-flare supra-arcade [PDF]

open access: yes, 2005
Observations of propagating transverse waves in an open magnetic field structure with the Transition Region And Coronal Explorer (TRACE) are presented.
Cooper, F. C. (Fenwick C.)   +2 more
core   +1 more source

Superluminal Localized Solutions to Maxwell Equations propagating along a waveguide: The finite-energy case [PDF]

open access: yes, 2002
In a previous paper of ours [Phys. Rev. E64 (2001) 066603, e-print physics/0001039] we have shown localized (non-evanescent) solutions to Maxwell equations to exist, which propagate without distortion with Superluminal speed along normal-sized waveguides,
A. Enders   +38 more
core   +3 more sources

Guided Wave-Based Monitoring of Evolution of Fatigue Damage in Glass Fiber/Epoxy Composites

open access: yesApplied Sciences, 2019
This paper presents an experimental study on detecting and monitoring of evolution of fatigue damage in composites under cyclic loads by using guided waves.
Gang Yan, Xiang Lu, Jianfei Tang
doaj   +1 more source

Nonlinear guided waves: Preface [PDF]

open access: yesJournal of Nonlinear Optical Physics & Materials, 2016
This special issue presents a collection of experimental and theoretical research in nonlinear waves, with emphasis on nonlinear optics, which were presented at the conference Nonlinear Guided Waves VIII held at the Hotel Victoria, Oaxaca, Mexico in April 2016.
ASSANTO, GAETANO, Smyth, Noel
openaire   +4 more sources

Stimulation of osteoblast differentiation with guided ultrasound waves [PDF]

open access: yes, 2015
BACKGROUND: Ultrasound induces mechanical vibration and heat, causing differentiation and proliferation in osteoblasts. All known in vitro evaluations of ultrasound are, however, performed with longitudinal ultrasound waves.
Kotha, Shiva   +6 more
core   +1 more source

Using the Partial Wave Method for Wave Structure Calculation and the Conceptual Interpretation of Elastodynamic Guided Waves

open access: yesApplied Sciences, 2018
The partial-wave method takes advantage of the Christoffel equation’s generality to represent waves within a waveguide. More specifically, the partial-wave method is well known for its usefulness when calculating dispersion curves for multilayered ...
Christopher Hakoda, Cliff J. Lissenden
doaj   +1 more source

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