Impact response of a strip composite with a finite crack

H. Nozaki; Y. Shindo; A. Atsumi

doi:10.1016/0013-7944(86)90138-4

Impact response of a strip composite with a finite crack

H. Nozaki, Y. Shindo, A. Atsumi

ENG - Materials Processing

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

11 Citations (Scopus)

Abstract

The dynamic response of a central crack in a strip composite under normal impact is analyzed. The crack is oriented normally to the interfaces. Laplace and Fourier transform techniques are used to reduce the elastodynamic problem to a pair of dual integral equations. The integral equations are solved by using an integral transform technique and the result is expressed in terms of a Fredholm integral equation of the second kind. A numerical Laplace inversion routine is used to recover the time dependence of the solution. The dynamic stress intensity factor is determined and its dependence on time, the material properties and the geometrical parameters is discussed.

Original language	English
Pages (from-to)	943-952
Number of pages	10
Journal	Engineering Fracture Mechanics
Volume	23
Issue number	6
DOIs	https://doi.org/10.1016/0013-7944(86)90138-4
Publication status	Published - 1986

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AU - Shindo, Y.

AU - Atsumi, A.

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AB - The dynamic response of a central crack in a strip composite under normal impact is analyzed. The crack is oriented normally to the interfaces. Laplace and Fourier transform techniques are used to reduce the elastodynamic problem to a pair of dual integral equations. The integral equations are solved by using an integral transform technique and the result is expressed in terms of a Fredholm integral equation of the second kind. A numerical Laplace inversion routine is used to recover the time dependence of the solution. The dynamic stress intensity factor is determined and its dependence on time, the material properties and the geometrical parameters is discussed.

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