Location

La Jolla ,CA

Start Date

1-1-1989 12:00 AM

Description

The use of composite materials in structural components is limited, in part, by the need to develop quantitative inspection techniques. Composites present many challenges to the development of such quantitative methods. For example, composite materials are typically anisotropic. Thus a necessary prerequisite for ultrasonic flaw detection and characterization in composite materials is an understanding of the propagation and scattering of waves in a general anisotropic media. Work towards such an understanding has been typically limited to such issues as beam propagation effects (see, for ex., Ref. [1]). The elastic wave inverse scattering problem (flaw characterization), as well as the simpler direct problem (field-flaw interaction), are only minimally developed for anisotropic media of any kind.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

8A

Chapter

Chapter 1: Fundamentals of Classic Techniques

Section

Elastic Wave Scattering and Inversion

Pages

117-124

DOI

10.1007/978-1-4613-0817-1_15

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

A Generalized Eigenfunction Expansion for Elastodynamics

La Jolla ,CA

The use of composite materials in structural components is limited, in part, by the need to develop quantitative inspection techniques. Composites present many challenges to the development of such quantitative methods. For example, composite materials are typically anisotropic. Thus a necessary prerequisite for ultrasonic flaw detection and characterization in composite materials is an understanding of the propagation and scattering of waves in a general anisotropic media. Work towards such an understanding has been typically limited to such issues as beam propagation effects (see, for ex., Ref. [1]). The elastic wave inverse scattering problem (flaw characterization), as well as the simpler direct problem (field-flaw interaction), are only minimally developed for anisotropic media of any kind.