The distribution of the elastic strain-energy density at the crack tip for fracture modes I and II

Theocaris, PS; Papadopoulos, G

dc.contributor.author	Theocaris, PS	en
dc.contributor.author	Papadopoulos, G	en
dc.date.accessioned	2014-03-01T01:06:06Z
dc.date.available	2014-03-01T01:06:06Z
dc.date.issued	1982	en
dc.identifier.issn	03769429	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9165
dc.subject	Theoretical Analysis	en
dc.subject	Strain Energy Density	en
dc.subject.other	FRACTURE MECHANICS	en
dc.title	The distribution of the elastic strain-energy density at the crack tip for fracture modes I and II	en
heal.type	journalArticle	en
heal.identifier.primary	10.1007/BF00019635	en
heal.identifier.secondary	http://dx.doi.org/10.1007/BF00019635	en
heal.publicationDate	1982	en
heal.abstract	The study of the distribution of the elastic-strain energy density at the tip of a crack presents a special interest for the understanding of the mechanism of fracture. In this investigation an exhaustive theoretical analysis of the distribution of the elastic-strain energy density at the tip of a crack for cracks in isotropic elastic media deformed under modes I and II was developed. This study was complemented by an experimental solution of this type of problem, based on the method of reflected caustics. According to this method the distribution of the elastic-strain energy density was evaluated along a circular closed curve, defining the singular core around the crack-tip, which was dominated by the singularity at the crack tip and whose diameter is very small, not exceeding a few millimeters. In this way the situation at the crack-tip singularity was directly depicted on the energy density distribution. Interesting results concerning the factors influencing the mode of the strain energy distribution around the crack and the type of the crack path were derived. © 1982 Martinus Nijhoff Publishers.	en
heal.publisher	Kluwer Academic Publishers	en
heal.journalName	International Journal of Fracture	en
dc.identifier.doi	10.1007/BF00019635	en
dc.identifier.volume	18	en
dc.identifier.issue	2	en
dc.identifier.spage	81	en
dc.identifier.epage	112	en