Modeling high-frequency wave propagation in rail tracks for crack detection

Stefano Coccia; Ivan Bartoli; Francesco Lanza di Scalea; Mahmood Fateh; Gary Carr

doi:10.1117/12.815470

30 March 2009 Modeling high-frequency wave propagation in rail tracks for crack detection

Stefano Coccia, Ivan Bartoli, Francesco Lanza di Scalea, Mahmood Fateh, Gary Carr

Proceedings Volume 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009; 72921W (2009) https://doi.org/10.1117/12.815470
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

This paper gives insight to the ultrasonic wave propagation in arbitrary cross section waveguides such as a rail. Due to the geometrical complexity of the rail cross section, the analytical solution to the wave propagation in the rail is not feasible. A Semi Analytical Finite Element method is described as an alternative yet still robust approach to get the solution of the problem. The free-vibration solution (unforced) and the forced solution to a laser excitation, are shown for the case of an undamped rail up to a frequency of 500 kHz. The effects of different loading patterns are discussed, while experimental results are provided. A mode selection is performed, in accordance to the sensitivity of each mode to the different types of defect that can occur in a rail.

Citation Download Citation

Stefano Coccia, Ivan Bartoli, Francesco Lanza di Scalea, Mahmood Fateh, and Gary Carr "Modeling high-frequency wave propagation in rail tracks for crack detection", Proc. SPIE 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009, 72921W (30 March 2009); https://doi.org/10.1117/12.815470

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available