13th International Conference on Fracture June 16–21, 2013, Beijing, China -8- 4.2. Plane strain Figure 4. The distribution of the equivalent stress e and the maximum stress max around the crack tip for n=3 (plane strain). Figure 5. The distribution of the equivalent stress e and the maximum stress max around the crack tip for n=7 (plane strain). Acknowledgment Authors are grateful the Russian Foundation for Basic Research for the financial support under Grant 12-08-00390-a. References [1] V.I. Astafiev, Yu.N. Radaev, L.V. Stepanova, Non-Linear Fracture Mechanics, Samara State University, Samara, 2001 (in Russian).
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