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TECHNICAL PAPERS
Jul 19, 2010

Graphical User Interface for Guided Acoustic Waves

Publication: Journal of Computing in Civil Engineering
Volume 25, Issue 3

Abstract

This paper presents GUIGUW v0.1, a graphical user interface (GUI) for the computation of stress-guided wave dispersive features. The software exploits semianalytical finite-element (SAFE) formulations for the calculation of wave-propagation characteristics. The interface allows for the selection of geometrical, mechanical, and frequency-related parameters for the computation. Isotropic and anisotropic materials with linear elastic and linear viscoelastic rheological behaviors can be considered, and any waveguide cross section can be modeled. For each existing wave, the dispersive results can be represented in terms of wave number, wavelength, phase velocity, group velocity (for undamped waveguides), energy velocity, and attenuation (for damped waveguides). By simply working with the GUI, original results for guided stress waves can be obtained.

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Acknowledgments

Funding for this project was provided by the MIURItalian Ministry for University and Scientific and Technological Research MIUR (40%). This topic is one of the research thrusts of the Center of Study and Research for the Identification of Materials and Structures (CIMEST) of the University of Bologna (Italy).

References

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Information & Authors

Information

Published In

Go to Journal of Computing in Civil Engineering
Journal of Computing in Civil Engineering
Volume 25Issue 3May 2011
Pages: 202 - 210

History

Received: Jan 13, 2010
Accepted: Jun 22, 2010
Published online: Jul 19, 2010
Published in print: May 1, 2011

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Authors

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Paolo Bocchini, M.ASCE [email protected]
Research Associate, Dept. of Civil and Environmental Engineering, ATLSS Center, Lehigh Univ., 117 ATLSS Drive, Bethlehem, PA 18015. E-mail: [email protected]
Alessandro Marzani [email protected]
Assistant Professor, Dept. of Civil, Environmental, and Metals Engineering (DICAM), Univ. of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy (corresponding author). E-mail: [email protected]
Erasmo Viola [email protected]
Full Professor, Dept. of Civil, Environmental, and Metals Engineering (DICAM), Univ. of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy. E-mail: [email protected]

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