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RESEARCH PAPERS

Near-Tip Fields in a Notched Body With Dislocations and Body Forces

[+] Author and Article Information
Kuang-Chong Wu, Fong-Tai Chang

Institute of Applied Mechanics, National Taiwan University, Taipei 107, Taiwan, Republic of China

J. Appl. Mech 60(4), 936-941 (Dec 01, 1993) (6 pages) doi:10.1115/1.2901004 History: Received March 16, 1992; Revised December 03, 1992; Online March 31, 2008

Abstract

The dominant stress fields due to a dislocation and/or a body force near the tip of an isotropic or anisotropic notched body are derived. The structures of the neartip stress fields for anisotropic materials are constructed by using Stroh ’s formalism for anisotropic elasticity. The intensity coefficients contained in the near-tip fields are determined by Betti’s reciprocity theorem. Special attention is given to orthotropic and isotropic materials. Some explicit results of intensity coefficients due to concentrated forces on the notch faces and dislocations at the wedge bisector are also provided.

Copyright © 1993 by The American Society of Mechanical Engineers
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