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Proceedings Paper

A three-dimensional transmission line matrix model for ultrasonic imaging
Author(s): Razvan Ciocan; Nathan Ida; Eugenia Ciocan
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Paper Abstract

A three dimensional numerical model for elastic wave propagation in multilayered structures is the subject of this paper. The model is based on the Transmission Line Matrix method (TLM) and has a three dimensional acoustic node as a key element. A full description of the numerical method implementation is provided. The numerical analysis was applied to structures with a relatively complicated geometry, similar to the geometries used in non-destructive testing and in medical imaging. The comparison between the experimental and numerical frequency response for a multi-layered cylindrical piece validates the proposed numerical model. An acoustic impedance profile similar to biological tissue was numerically modeled. The comparison between real and numerically generated signals shows good agreement between experiment and numerical analysis.

Paper Details

Date Published: 1 August 2003
PDF: 11 pages
Proc. SPIE 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II, (1 August 2003); doi: 10.1117/12.483948
Show Author Affiliations
Razvan Ciocan, Univ. of Akron (United States)
Nathan Ida, Univ. of Akron (United States)
Eugenia Ciocan, Univ. of Akron (United States)


Published in SPIE Proceedings Vol. 5047:
Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II
Tribikram Kundu, Editor(s)

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