Calculation of high frequency ultrasonic signals for shear wave insonification in solid material

Abstract

The goal of the theoretical part is to simulate an automatic ultrasonic inspection with contact technique shear wave probes, where the high frequency signals are captured and used to perform a reconstruction based on the synthetic aperture focusing method "SAFT". Therefore the ultrasonic probe, the scanning path and the defects are parameters in a CAD model. The scattering behavior of the defect is calculated by the Kirchhoff approximation in its elastodynamic version. The result of the simulation - the high frequency data - and the result of the SAFT-reconstructions are compared with experimental results on a steel test block with side drilled and flat bottom holes. The model is validated by the experiment. One of the applications of the model is to identify multiple reflections.

Original language	English
Pages (from-to)	249-252
Number of pages	4
Journal	Ultrasonics
Volume	42
Issue number	1-9
DOIs	https://doi.org/10.1016/j.ultras.2004.01.017
Publication status	Published - Apr 2004
Event	Proceedings of Ultrasonics International 2003 - Granada, Spain Duration: 30 Jun 2003 → 3 Jul 2003

Keywords

CAD
Defect detection
Modeling
RAY TRACING
SAFT
Sizing
Ultrasound

ASJC Scopus subject areas

Acoustics and Ultrasonics

Access to Document

10.1016/j.ultras.2004.01.017

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Schmitz, V., Langenberg, K. J., & Chakhlov, S. (2004). Calculation of high frequency ultrasonic signals for shear wave insonification in solid material. Ultrasonics, 42(1-9), 249-252. https://doi.org/10.1016/j.ultras.2004.01.017

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title = "Calculation of high frequency ultrasonic signals for shear wave insonification in solid material",

abstract = "The goal of the theoretical part is to simulate an automatic ultrasonic inspection with contact technique shear wave probes, where the high frequency signals are captured and used to perform a reconstruction based on the synthetic aperture focusing method {"}SAFT{"}. Therefore the ultrasonic probe, the scanning path and the defects are parameters in a CAD model. The scattering behavior of the defect is calculated by the Kirchhoff approximation in its elastodynamic version. The result of the simulation - the high frequency data - and the result of the SAFT-reconstructions are compared with experimental results on a steel test block with side drilled and flat bottom holes. The model is validated by the experiment. One of the applications of the model is to identify multiple reflections.",

keywords = "CAD, Defect detection, Modeling, RAY TRACING, SAFT, Sizing, Ultrasound",

author = "V. Schmitz and Langenberg, {K. J.} and S. Chakhlov",

year = "2004",

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KW - CAD

KW - Defect detection

KW - Modeling

KW - RAY TRACING

KW - SAFT

KW - Sizing

KW - Ultrasound

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