A three-dimensional transmission line matrix model for ultrasonic imaging

Razvan Ciocan; Nathan Ida; Eugenia Ciocan

doi:10.1117/12.483948

1 August 2003 A three-dimensional transmission line matrix model for ultrasonic imaging

Razvan Ciocan, Nathan Ida, Eugenia Ciocan

Proceedings Volume 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II; (2003) https://doi.org/10.1117/12.483948
Event: NDE for Health Monitoring and Diagnostics, 2003, San Diego, California, United States

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.

Citation Download Citation

Razvan Ciocan, Nathan Ida, and Eugenia Ciocan "A three-dimensional transmission line matrix model for ultrasonic imaging", Proc. SPIE 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II, (1 August 2003); https://doi.org/10.1117/12.483948

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