Numerical Analysis of Elastic Wave Scattering from 2-Dimensional Crack

Numerical Analysis of Elastic Wave Scattering from 2-Dimensional Crack

Ultrasonic inspection with pulsed echoes is simulated by numerical analysis using the finite difference method. The wave form of the reflected pulse from the lower surface and the dependence of the peak amplitude on the crack length are studied. The relation of the location of the crack with the ref...

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Veröffentlicht in:TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1990/12/25, Vol.56(532), pp.2443-2448
Hauptverfasser: KUWAYAMA, Junichi, SHIBATA, Toshinobu, MATSUMOTO, Eiji
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Crack
Finite Difference Method
Nondestructive Inspection
Numerical Analysis
Ultrasonic Inspection
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container_issue 532
container_start_page 2443
container_title TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A
container_volume 56
creator KUWAYAMA, Junichi
SHIBATA, Toshinobu
MATSUMOTO, Eiji
description Ultrasonic inspection with pulsed echoes is simulated by numerical analysis using the finite difference method. The wave form of the reflected pulse from the lower surface and the dependence of the peak amplitude on the crack length are studied. The relation of the location of the crack with the reflected wave is studied. A qualitative agreement with the experimental result is obtained. The result is that the thickness and the width of the crack can be predicted by the information on the reflected ultrasonic wave.
doi_str_mv 10.1299/kikaia.56.2443
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source J-STAGE Free; EZB-FREE-00999 freely available EZB journals
subjects Crack
Finite Difference Method
Nondestructive Inspection
Numerical Analysis
Ultrasonic Inspection
title Numerical Analysis of Elastic Wave Scattering from 2-Dimensional Crack
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