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Proceedings Paper

Helical guided waves in liquid-filled cylindrical shells subjected to static pressurization stress
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Paper Abstract

Helical guided waves in pipelines are studied under the effects of pressurization stresses from a contained liquid. The pipeline is approximated by an “unwrapped” plate waveguide, and a transfer matrix method is used to solve for guided wave velocity and attenuation dispersion curves in a multilayered plate waveguide subject to an arbitrary triaxial state of initial stress. The matrix-based model is able to incorporate both elastic and viscoelastic solid materials, as well as approximate non-uniform distributions in initial stress through the thickness of a waveguide. Experiments on a steel pipe filled with pressurized water are carried out to validate the modeling approach.

Paper Details

Date Published: 1 April 2016
PDF: 12 pages
Proc. SPIE 9805, Health Monitoring of Structural and Biological Systems 2016, 98050T (1 April 2016); doi: 10.1117/12.2218897
Show Author Affiliations
Brennan Dubuc, Univ. of Texas at Austin (United States)
Arvin Ebrahimkhanlou, Univ. of Texas at Austin (United States)
Salvatore Salamone, Univ. of Texas at Austin (United States)


Published in SPIE Proceedings Vol. 9805:
Health Monitoring of Structural and Biological Systems 2016
Tribikram Kundu, Editor(s)

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