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Planar cracks running along piecewise linear paths

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Herrero, Miguel A. y Oleaga Apadula, Gerardo Enrique y Velázquez, J.J. L. (2004) Planar cracks running along piecewise linear paths. Proceedings of the Royal Society of London Series A - Mathematical Physical and Engineering Sciences, 460 . pp. 581-601. ISSN 1364-5021

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URL Oficial: http://rspa.royalsocietypublishing.org/content/460/2042/581.full.pdf+html


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Resumen

Consider a crack propagating in a plane according to a loading that results in anti-plane shear deformation. We show here that if the crack path consists of two straight segments making an angle psi not equal 0 at their junction, examples can be provided for which the value of the stress-intensity factor (SIF) actually depends on the previous history of the motion. This is in sharp contrast with the rectilinear case (corresponding to psi = 0), where the SIF is known to have a local character, its value depending only on the position and velocity of the crack tip at any given time.


Tipo de documento:Artículo
Palabras clave:Fracture dynamics; wave propagation; linear elasticity; asymptotic behaviour of solutions; stress intensity factors; situations; expansion; form
Materias:Ciencias > Física > Física matemática
Ciencias > Física > Física de materiales
Código ID:16409
Depositado:18 Sep 2012 08:45
Última Modificación:07 Feb 2014 09:28

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