2D elastodynamics of interface microcracks: The effect of cracks interaction

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Abstract

The study is devoted to a 2D problem for interface cracks under harmonic external loading. The system of boundary integral equations for displacements and tractions is derived from the dynamic Somigliana identity. The distributions of the displacements and tractions at the bonding interface and the surface of the cracks are analysed for the normally incident tension-compression wave. The dynamic stress intensity factors are also computed for different values of the frequency of the incident wave and the distance between cracks. The effect of distance between cracks on the solution of the problem is studied.
Original languageEnglish
Pages (from-to)17-29
Number of pages13
JournalApplied Composite Materials
Volume18
Issue number1
Early online date7 Jul 2010
DOIs
Publication statusPublished - Feb 2011

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Microcracks
Cracks
Boundary integral equations
Stress intensity factors

Keywords

  • interface cracks
  • cracks interaction
  • harmonic loading
  • stress intensity factor

Cite this

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title = "2D elastodynamics of interface microcracks: The effect of cracks interaction",
abstract = "The study is devoted to a 2D problem for interface cracks under harmonic external loading. The system of boundary integral equations for displacements and tractions is derived from the dynamic Somigliana identity. The distributions of the displacements and tractions at the bonding interface and the surface of the cracks are analysed for the normally incident tension-compression wave. The dynamic stress intensity factors are also computed for different values of the frequency of the incident wave and the distance between cracks. The effect of distance between cracks on the solution of the problem is studied.",
keywords = "interface cracks, cracks interaction, harmonic loading, stress intensity factor",
author = "Igor Guz and Maryna Menshykova and Oleksandr Menshykov",
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AU - Menshykova, Maryna

AU - Menshykov, Oleksandr

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N2 - The study is devoted to a 2D problem for interface cracks under harmonic external loading. The system of boundary integral equations for displacements and tractions is derived from the dynamic Somigliana identity. The distributions of the displacements and tractions at the bonding interface and the surface of the cracks are analysed for the normally incident tension-compression wave. The dynamic stress intensity factors are also computed for different values of the frequency of the incident wave and the distance between cracks. The effect of distance between cracks on the solution of the problem is studied.

AB - The study is devoted to a 2D problem for interface cracks under harmonic external loading. The system of boundary integral equations for displacements and tractions is derived from the dynamic Somigliana identity. The distributions of the displacements and tractions at the bonding interface and the surface of the cracks are analysed for the normally incident tension-compression wave. The dynamic stress intensity factors are also computed for different values of the frequency of the incident wave and the distance between cracks. The effect of distance between cracks on the solution of the problem is studied.

KW - interface cracks

KW - cracks interaction

KW - harmonic loading

KW - stress intensity factor

U2 - 10.1007/s10443-010-9152-0

DO - 10.1007/s10443-010-9152-0

M3 - Article

VL - 18

SP - 17

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JO - Applied Composite Materials

JF - Applied Composite Materials

SN - 0929-189X

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