Crack characterization by an inverse scattering method

D. A. Sotiropoulos; J. D. Achenbach

doi:10.1016/0020-7683(88)90027-3

Crack characterization by an inverse scattering method

D. A. Sotiropoulos^*, J. D. Achenbach

^*Corresponding author for this work

Civil and Environmental Engineering

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

7 Scopus citations

Abstract

Elastic wave scattering data is utilized to characterize a crack of arbitrary shape by an equivalent elliptical crack contained in an unbounded solid. The inverse method is based on an integral representation for the scattered field in the frequency domain. The proposed method is valid for both small and intermediate wavelengths as compared with the size of the crack. In particular for intermediate wavelengths and normal incidence a simple method is discussed. Its solution gives the location of the geometrical center of the crack, the crack size, and the crack-opening displacement.

Original language	English (US)
Pages (from-to)	165-175
Number of pages	11
Journal	International Journal of Solids and Structures
Volume	24
Issue number	2
DOIs	https://doi.org/10.1016/0020-7683(88)90027-3
State	Published - 1988

ASJC Scopus subject areas

Modeling and Simulation
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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abstract = "Elastic wave scattering data is utilized to characterize a crack of arbitrary shape by an equivalent elliptical crack contained in an unbounded solid. The inverse method is based on an integral representation for the scattered field in the frequency domain. The proposed method is valid for both small and intermediate wavelengths as compared with the size of the crack. In particular for intermediate wavelengths and normal incidence a simple method is discussed. Its solution gives the location of the geometrical center of the crack, the crack size, and the crack-opening displacement.",

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AU - Achenbach, J. D.

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AB - Elastic wave scattering data is utilized to characterize a crack of arbitrary shape by an equivalent elliptical crack contained in an unbounded solid. The inverse method is based on an integral representation for the scattered field in the frequency domain. The proposed method is valid for both small and intermediate wavelengths as compared with the size of the crack. In particular for intermediate wavelengths and normal incidence a simple method is discussed. Its solution gives the location of the geometrical center of the crack, the crack size, and the crack-opening displacement.

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Crack characterization by an inverse scattering method

Abstract

ASJC Scopus subject areas

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