Abstract
In the linear nonlocal elasticity theory, the solution to the boundary-value problem of the crack with a constant stress boundary condition does not exist. This problem has been studied in this paper. The contents studied contain of examining objectivity of the energy balance, deducing the constitutive equations of nonlocal thermoelastic bodies, and determining nonlocal force and the linear nonlocal elasticity theory. Some new results are obtained. Among them, the stress boundary condition derived from the linear theory not only solves the problem mentioned at the beginning, but also contains the model of molecular cohesive stress on the sharp crack tip advanced by Barenblatt.
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Zaixin, H., Weixun, F. & Weiyang, H. New points of view on the nonlocal field theory and their applications to the fracture mechanics (I) — fundamental theory. Appl Math Mech 18, 45–54 (1997). https://doi.org/10.1007/BF02457500
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DOI: https://doi.org/10.1007/BF02457500