Mathematical modeling for quantitativ] ultrasonics

Jan Drewes Achenbach*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A fundamental approach to quantitative ultrasonics must be based on mathematical modeling of ultrasonic wave phenomena. Measurement models must be developed to predict from first principles a measurement system’s response to specific anomalies in a given material or structure. Once a mathematical model has been verified by comparison with a sufficiently wide range of experimental data, reliable synthetic data can be generated with little effort. The modeling approach aids in the design of efficient testing configurations and in the interpretation of experimental results and field data. Measurement models can be used to optimize the operation of NDE systems. Synthetic data can play an important role in the training of a neural network or to establish a knowledge base for an expert system. Quantitative modeling of the interaction of ultrasound with internal, surface breaking and near-surface cracks is discussed in some detail. As an example a measurement model is described for the line-focus acoustic microscope.

Original languageEnglish (US)
Pages (from-to)363-377
Number of pages15
JournalNondestructive Testing and Evaluation
Volume8-9
Issue number1-6
DOIs
StatePublished - Jun 1 1992

Keywords

  • Ultrasonics
  • cracks
  • measurement model
  • modeling
  • quantitative

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Physics and Astronomy(all)

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