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TECHNICAL PAPERS

Weight Functions for Notches: Constructive and Variational Definition

[+] Author and Article Information
H. O. K. Kirchner

Institut de Sciences des Materiaux, UniversiteĢ Paris-Sud, F-91405 Orsay, France

J. Appl. Mech 64(2), 270-274 (Jun 01, 1997) (5 pages) doi:10.1115/1.2787303 History: Received August 31, 1994; Revised October 19, 1996; Online October 25, 2007

Abstract

Weight functions for notches or cracks, which express the intensity of the stress singularity at the tip as functionals of the loadings present, can be defined either as combination of eigenfunctions or as variational derivatives of energies. The two definitions are equivalent.

Copyright Ā© 1997 by The American Society of Mechanical Engineers
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