Proceedings Vol. 8 (2002)
INŽENÝRSKÁ MECHANIKA 2002
ENGINEERING MECHANICS 2002
May 13 – 16, 2002, Svratka, Czech Republic
Copyright © 2002 Institute of Mechanics of Solids, Faculty of Mechanical Engineering, Bruno University of Technology, Brno
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
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pages 63 - +9p., full text
The integral concepts for calculation of the generalized stress intensity factor and elastic T stress are presented. Both the integrals are based on a validity of the Betti reciprocal theorem. The unique analytical expression of the complementary problem is derived using the Muskhelisvili complex potentials, whereas components of the stress and displacement field are obtained numerically using the Boundary Element Method. The generalized stress intensity factor concept as well as the contour integral for calculation of the elastic T stress are used on single edge notched tension (SENT) specimen to show a validity of the discussed approach. This article yields a comprehensive study of the integral approach for calculation offracture-mechanics parameters in case when the integration is carried out across the material interface.
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