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Stress Singularity At The Free-Surface Of A Dynamically Growing Crack.
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0002-0307-8917
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0001-8699-7910
1990 (English)In: Journal of applied mechanics, ISSN 0021-8936, E-ISSN 1528-9036, Vol. 57, no 1, 112-116 p.Article in journal (Refereed) Published
Abstract [en]

The stress singularity at the intersection between the crack front and the free surface of a dynamically growing crack in a linear elastic isotropic material has been numerically evaluated by an especially developed finite element program. The singularity parameter (), defined by ~ R−1, is presented as a function of the crack-tip velocity and the angle (ß)between the crack front and the free surface. The angle (ß) at which the singularity () equals 0.5 was found to be 101 deg almost independently of the crack-tip velocity.

Place, publisher, year, edition, pages
1990. Vol. 57, no 1, 112-116 p.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-25497DOI: 10.1115/1.2888290ISI: A1990EE59800017OAI: oai:DiVA.org:kth-25497DiVA: diva2:358774
Note
QC 20101025Available from: 2010-10-25 Created: 2010-10-25 Last updated: 2017-12-12Bibliographically approved

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Gudmundson, PeterÖstlund, Sören

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