 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 12854 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8044
|
| In English (Mech. Solids): | | 4810 |
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| D.D. Moiseenko and V.E. Panin, "Physical Fracture Mesomechanics of Solids Treated as Nonlinear Hierarchically Organized Systems," Mech. Solids. 50 (4), 400-411 (2015) |
| Year |
2015 |
Volume |
50 |
Number |
4 |
Pages |
400-411 |
| DOI |
10.3103/S0025654415040068 |
| Title |
Physical Fracture Mesomechanics of Solids Treated as Nonlinear Hierarchically Organized Systems |
| Author(s) |
D.D. Moiseenko (Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Akademicheskii pr. 2/4, Tomsk, 634021 Russia, mdd@ispms.tsc.ru)
V.E. Panin (Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Akademicheskii pr. 2/4, Tomsk, 634021 Russia, paninve@ispms.tsc.ru) |
| Abstract |
We show that one-level criteria for crack propagation in fracture mechanics should be supplemented by taking into account structure transformations in the local curvature regions of the crystal lattice in front of the crack tip. We develop a modified method of excitable cellular automata that takes into account the local torques in the crystal lattice with broken translational invariance and permits calculating the work of rotational deformation modes in crack propagation. Experimental data confirming the multilevel criteria of fracture mesomechanics are presented. |
| Keywords |
fracture criterion, hierarchical system, structure curvature, torque, nonlinearity |
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|
| Received |
14 April 2015 |
| Link to Fulltext |
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