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Proceedings Paper

Simulating isochromatics in the vicinity of crack tip using an infinite plate with a thin single elliptical hole
Author(s): Wellington Antonio Soares; Geraldo de Paula Martins; Arnaldo Homobono Paes de Andrade; Leonardo Barbosa Godefroid
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Paper Abstract

A software SIMFOT has been used to generate isochromatics for some birefringent models. It was improved in order to simulate isochromatics in an infinite plate with a single elliptical hole. Stresses are applied at far boundaries of this plate in the direction of the ellipse minor axis. This minor dimension can be changed as necessary to approximate a line crack by a thin elliptical hole. Images from this plate are compared with images from an infinite plate with a singular circular hole and presents good agreement when the relation minor axis/major axis approaches one. Formulas for the whole stress field in a direct way to be implemented in computer are presented in this paper.

Paper Details

Date Published: 20 March 1997
PDF: 6 pages
Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269841
Show Author Affiliations
Wellington Antonio Soares, CDTN/CNEN (Brazil)
Geraldo de Paula Martins, CDTN/CNEN (Brazil)
Arnaldo Homobono Paes de Andrade, IPEN/CNEN (Brazil)
Leonardo Barbosa Godefroid, Univ. Federal de Ouro Preto (Brazil)

Published in SPIE Proceedings Vol. 2921:
International Conference on Experimental Mechanics: Advances and Applications
Fook Siong Chau; C. T. Lim, Editor(s)

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