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A finite elastostatic analysis of bimaterial interface cracks

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Structural Integrity
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Abstract

A numerical method is developed to study the bimaterial interface problem in Neo-Hookean materials under plane stress conditions. Comparison is made with the analytical predictions for the asymptotic field of the problem. The range of dominance of the asymptotic solution at different load levels is established and the amplitudes of the crack-tip asymptotic field are related to the far field loading. The numerical model is extended to analyze the experiments conducted on specimens with an edge crack at the interface between two dissimilar Solithane plates that are characterized by Mooney-Rivlin material behavior.

Résumé

On met au point une méthode numérique pour l’étude d’un probleme d’interfaces entre deux matériaux néo-Hookiens sollicités en état plan de tension. On compare les résultats avec les prédictions analytiques établies pour un champ asymptotique. On établit la gamme dans laquelle la solution asymptotique est dominante, à différents niveaux de charge, et on met en relation l’ampleur du champ asymptotique à l’extrémité de la fissure avec celle du champ de contraintes é une certaine distance. Le modèle numérique est étendu à l’analyse d’essais sur éprouvettes comportant une fissure de bord à l’interface de deux tôles de Solithane caractérisée par un comportement de matériau de Mooney-Rivlin.

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© 1989 Kluwer Academic Publishers, Dordrecht

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Ravichandran, G., Knauss, W.G. (1989). A finite elastostatic analysis of bimaterial interface cracks. In: Folias, E.S. (eds) Structural Integrity. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0927-4_18

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  • DOI: https://doi.org/10.1007/978-94-009-0927-4_18

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6906-9

  • Online ISBN: 978-94-009-0927-4

  • eBook Packages: Springer Book Archive

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