Numerical Computer-Simulation of Fields and Waves in Nondestructive Testing
Abstract
The emphasis of this paper is to provide an overview of the numerical computer simulation of fields and waves and its application in nondestructive testing (NDT). Several numerical methods are applied: the finite integration technique (FIT), the finite element method (FEM), the boundary element method (BEM), and the method of moments (MoM). The numerical modelling of the ultrasonic and eddy current NDT inspection technique is discussed. Similarly, the numerical computer simulation of coupled wave field problems, like the piezoelectric and the electromagnetic-ultrasonic transducer is documented. The performance of the computer simulation in nondestructive testing is presented on the basis of 3-D modelling results of the ultrasonic testing of reinforced concrete and eddy current testing of hot wire steel.
Kurzfassung
Ein Schwerpunkt des vorliegenden Aufsatzes ist es, einen Überblick über die numerische Computer-Simulation von Feldern und Wellen und deren Applikation in der Zerstörungsfreien Prüfung (ZfP) zu geben. Es werden verschiedene numerische Methoden, wie die Finite Integrationstechnik (FIT), die Finite-Elemente-Methode (FEM), die Rand-Elemente-Methode (REM) und die Momentenmethode (MoM) vorgestellt und zur numerischen Modellierung der Ultraschall- und Wirbelstromprüfung eingesetzt. Ebenso wird die numerische Computer-Simulation von gekoppelten Wellenfeldproblemen präsentiert, wie sie bei der Modellierung von piezoelektrischen Wandlern und elektromagnetischen Ultraschallwandlern auftritt. Die Leistungsfähigkeit der Computer-Simulation in der Zerstörungsfreien Prüfung wird anhand von 3D-Modellierungsergebnissen der Ultraschallprüfung von bewehrtem Beton und der Wirbelstromprüfung von Heißdraht dokumentiert.
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© 2007, Carl Hanser Verlag, München
Articles in the same Issue
- Inhalt/Contents
- Inhalt
- DGZfP-Mitteilungen
- DGZfP-Mitteilungen
- Fachbeiträge/Technical Contributions
- Recent Advances in Automated Ultrasonic Inspection of Magnox Power Stations
- Effect of Stress on Ultrasonic Response in Detection and Sizing of Cracks
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- Numerical Computer-Simulation of Fields and Waves in Nondestructive Testing
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Articles in the same Issue
- Inhalt/Contents
- Inhalt
- DGZfP-Mitteilungen
- DGZfP-Mitteilungen
- Fachbeiträge/Technical Contributions
- Recent Advances in Automated Ultrasonic Inspection of Magnox Power Stations
- Effect of Stress on Ultrasonic Response in Detection and Sizing of Cracks
- Reibverhalten von Werkstoffen für Mikrotiefziehwerkzeuge
- Numerical Computer-Simulation of Fields and Waves in Nondestructive Testing
- Pitting Liability of Thermally Oxidised Austenitic Steel
- Finite-Elemente-Untersuchung zur Impingement-bedingten Schädigung von Implantaten für den Hüftgelenkersatz
- Nano-bio-layers on Ti6Al4V Alloys Using Electrophoretic Deposition (EPD) for Orthopaedic Applications
- Vorschau/Preview
- Vorschau