Journal ArticleDOI
A Baseline and Vision of Ultrasonic Guided Wave Inspection Potential
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TLDR
In this article, the authors provide a vision of ultrasonic guided wave inspection potential as we move forward into the new millennium and provide a brief description of the sensor and software technology that will make ultrasonic guidance wave inspection commonplace in the next century.Abstract:
Ultrasonic guided wave inspection is expanding rapidly to many different areas of manufacturing and in-service inspection. The purpose of this paper is to provide a vision of ultrasonic guided wave inspection potential aswe move forward into the new millennium. An increased understanding of the basic physics and wave mechanics associated with guided wave inspection has led to an increase in practical nondestructive evaluation and inspection problems. Some fundamental concepts and a number of different applications that are currently being considered will be presented in the paper along with a brief description of the sensor and software technology that will make ultrasonic guided wave inspection commonplace in the next century.read more
Citations
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Proceedings ArticleDOI
Enabling Communications for Buried Pipe Networks
Karun M. Joseph,Branko Kerkez +1 more
TL;DR: This work presents a novel method to enable wireless communications in buried pipe networks, rather than using traditional radio communications, that transmits digital data through the actual water-filled pipe, leveraging existing infrastructure to enable long-term deployments of underground wireless sensor networks.
Parallel three-dimensional acoustic and elastic wave simulation methods with applications in nondestructive evaluation
TL;DR: In this article, the authors present two parallelized 3D simulation techniques for 3D acoustic and elastic wave propagation based on the finite integration technique, and demonstrate their usefulness in solving real-world problems with examples in the three very different areas of nondestructive evaluation, medical imaging, and security screening.
Proceedings ArticleDOI
Distributed Intrinsic Fabry-Pérot Fiber Interferometers for ultrasonic vibration measurement
TL;DR: In this article, a robust and low-cost interrogation method for distributed ultrasonic vibration measurements using multiplexable intrinsic Fabry-Pe rotfiber interferometers for high frequency measurements up to 20 kHz is presented.
Proceedings ArticleDOI
Automation in Structural Health Monitoring Using Laser Doppler Vibrometer
TL;DR: An automated structural health monitoring strategy based on structural dynamic response over a wide range of frequency and a piezoceramic actuator is used to excite the structure for low frequency vibration modes as well as guided wave propagation studies.
Dissertation
FPGA embedded system for ultrasonic non-destructive testing
TL;DR: The TeletestMK4 system as mentioned in this paper uses a field-programmable gates array (FPGA) based control circuits for the electronics, which allows the component count to be decreased and also permits the system to be modified via flexible reconfiguration of the FPGA.
References
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Book
Acoustic Fields and Waves in Solids
TL;DR: In this article, the authors apply the material developed in the Volume One to various boundary value problems (reflection and refraction at plane surfaces, composite media, waveguides and resonators).
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TL;DR: In this article, the linearized theory of elasticity was introduced and the elasticity of a one-dimensional motion of an elastic continuum was modeled as an unbound elastic continuum.
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TL;DR: In this article, a comprehensive study of elastic wave propagation in solids is presented, ranging from the theory of waves and vibrations in strings to the three-dimensional theory of elastic waves in thick plates.
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Ultrasonic Waves in Solid Media
TL;DR: In this article, the theory of elasticity was introduced and basic formulas and concepts in complex variables in the theory and application of wave propagation were discussed. But the authors did not consider the effects of wave scattering on the wave propagation experiments.