Analysis of Multiple Cracks Close to Bimaterial Interface
Publication: Journal of Aerospace Engineering
Volume 10, Issue 1
Abstract
In this paper we present a methodology and a rigorous solution formulation for multiple crack problems in nonhomogeneous plates using the dislocation complex potential technique. The fundamental perturbation problem is investigated by establishing a system of singular integral equations, whose solution gives mixed-mode stress intensity factors [(SIFs), k] and strain energy release rate [(SERR), G]. The numerical integration of the singular integral equations is carried out by using a Lobatto type collection technique. Finite-element analysis (FEA) of the representative problem is provided for accuracy comparison. Finally, studies for two cracks located on the opposite side of the interface are presented.
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Published In
Journal of Aerospace Engineering
Volume 10 • Issue 1 • January 1997
Pages: 16 - 26
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Jan 1, 1997
Published in print: Jan 1997
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