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Interface edge crack in a bimaterial elastic half-plane
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1998
(EN)
EKT historical period
Title
Interface edge crack in a bimaterial elastic half-plane (EN)
Creator
Bardzokas, D (EN)
Antipov, YA (EN)
Exadaktylos, GE (EN)
Description
The plane strain elastic half-plane problem of an edge crack lying along the interface of two perfectly bonded dissimilar quarter-planes is considered. Moreover, on the boundaries of the two quarter-planes concentrated forces are acting. For the correct formulation of the crack problem at hand, we consider the existence of a small slippage zone near the crack tip where closing stresses act. The mixed boundary value problem is subsequently reduced to a system of two functional equations of the Wiener-Hopf type which are effectively solved. The exact analytical solution of the problem is presented in series form. Numerical results, as well as asymptotic solutions for the most important physical quantities, are also presented. It is shown that there exist certain modes of surface loading of the homogeneous half-space, that result to the formation of two distinct zones at the crack tip region, one where the crack opening occurs and another adjacent to it, where frictionless contact of crack lips takes place. Also, it is demonstrated that in the case of high contrast of Young's moduli of the two quarter-planes, two opening-contact intervals appear consecutively along the crack. © 1997 Kltwer Academic Publishers. (EN)
Type
journalArticle (EN)
Subject
Wiener-hopf (EN)
Half-plane (EN)
FIELD (EN)
Mechanics (EN)
Interface crack (EN)
Contact zone (EN)
Edge crack (EN)
Mellin transform (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
International Journal of Fracture (EN)
Language
English
Issued
1998 (EN)
Identifier
http://hdl.handle.net/123456789/12745
88 (EN)
3 (EN)
304 (EN)
ISI:000076444400006 (EN)
281 (EN)
0376-9429 (EN)
Publisher
KLUWER ACADEMIC PUBL (EN)
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