Modeling for quantitative non-destructive evaluation

Jan D. Achenbach

doi:10.1016/S0041-624X(02)00083-5

Modeling for quantitative non-destructive evaluation

Jan D. Achenbach^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

A quantitative approach to non-destructive evaluation (NDE) must be based on models of the measurement processes. A model's purpose is to predict, from first principles, the measurement system's response to material properties and anomalies in a material or structure. For the ultrasonic case a measurement model should include modeling of the generation, propagation and reception of ultrasonic signals, and the ultrasonic interactions that generate the system's response function. A measurement model has many benefits, which are discussed in the paper. Three examples of the productive use of quantitative modeling in conjunction with measured data are presented: the detection and sizing of fatigue cracks which emanate from weep holes in the risers of wing panels in the interior of an aircraft wing by the use of ultrasound generated on the exterior surface of the wing, the determination of the elastic constants of anisotropic thin films deposited on a substrate, and the detection and sizing of surface-breaking cracks by the use of the laser-source scanning technique for laser generated and detected ultrasound.

Original language	English (US)
Pages (from-to)	1-10
Number of pages	10
Journal	Ultrasonics
Volume	40
Issue number	1-8
DOIs	https://doi.org/10.1016/S0041-624X(02)00083-5
State	Published - May 2002
Externally published	Yes

Funding

The material presented in Sections 2–4 represents results obtained in the course of research funded by three sponsors: Section 2 ––Aging Aircraft Program Office of Wright Patterson Air Force Base; Section 3 ––Office of Naval Research under Contract N00014-89-J-1362 and Section 4 ––Federal Aviation Administration under Contract #DTFA 03-98-D-0008 through the Air Transportation Center of Excellence in Airworthiness Assurance. The author wishes to acknowledge the assistance of John Aldrin, Zhiqi Guo and Irene Arias.

Keywords

Acoustic microscopy
Gack detection
Non-destructive
Scanning laser source
Thin film
Ultrasonics

ASJC Scopus subject areas

Acoustics and Ultrasonics

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10.1016/S0041-624X(02)00083-5

Cite this

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title = "Modeling for quantitative non-destructive evaluation",

abstract = "A quantitative approach to non-destructive evaluation (NDE) must be based on models of the measurement processes. A model's purpose is to predict, from first principles, the measurement system's response to material properties and anomalies in a material or structure. For the ultrasonic case a measurement model should include modeling of the generation, propagation and reception of ultrasonic signals, and the ultrasonic interactions that generate the system's response function. A measurement model has many benefits, which are discussed in the paper. Three examples of the productive use of quantitative modeling in conjunction with measured data are presented: the detection and sizing of fatigue cracks which emanate from weep holes in the risers of wing panels in the interior of an aircraft wing by the use of ultrasound generated on the exterior surface of the wing, the determination of the elastic constants of anisotropic thin films deposited on a substrate, and the detection and sizing of surface-breaking cracks by the use of the laser-source scanning technique for laser generated and detected ultrasound.",

keywords = "Acoustic microscopy, Gack detection, Non-destructive, Scanning laser source, Thin film, Ultrasonics",

author = "Achenbach, {Jan D.}",

note = "Funding Information: The material presented in Sections 2–4 represents results obtained in the course of research funded by three sponsors: Section 2 ––Aging Aircraft Program Office of Wright Patterson Air Force Base; Section 3 ––Office of Naval Research under Contract N00014-89-J-1362 and Section 4 ––Federal Aviation Administration under Contract #DTFA 03-98-D-0008 through the Air Transportation Center of Excellence in Airworthiness Assurance. The author wishes to acknowledge the assistance of John Aldrin, Zhiqi Guo and Irene Arias.",

year = "2002",

month = may,

doi = "10.1016/S0041-624X(02)00083-5",

language = "English (US)",

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PY - 2002/5

Y1 - 2002/5

N2 - A quantitative approach to non-destructive evaluation (NDE) must be based on models of the measurement processes. A model's purpose is to predict, from first principles, the measurement system's response to material properties and anomalies in a material or structure. For the ultrasonic case a measurement model should include modeling of the generation, propagation and reception of ultrasonic signals, and the ultrasonic interactions that generate the system's response function. A measurement model has many benefits, which are discussed in the paper. Three examples of the productive use of quantitative modeling in conjunction with measured data are presented: the detection and sizing of fatigue cracks which emanate from weep holes in the risers of wing panels in the interior of an aircraft wing by the use of ultrasound generated on the exterior surface of the wing, the determination of the elastic constants of anisotropic thin films deposited on a substrate, and the detection and sizing of surface-breaking cracks by the use of the laser-source scanning technique for laser generated and detected ultrasound.

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KW - Scanning laser source

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Modeling for quantitative non-destructive evaluation

Abstract

Funding

Keywords

ASJC Scopus subject areas

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