Abstract
Field equations of the non-local elasticity are solved to determine the state of stress in a plate with a Griffith crack subject to uniform tension. Then a set of dual-integral equations is solved using a new method, namely Schmidt's method. This method is more exact and more reasonable than Eringen's one for solving this kind of problem. Contrary to the solution of classical elasticity, it is found that no stress singularity is present at the crack tip. The significance of this results is that the fracture criteria are unified at both the macroscopic and the microscopic scales. The finite hoop stress at the crack tip depends on the crack length.
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Foundation item: the National Foundation for Exellent Young Investigators (19725209)
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Zhengong, Z., Biao, W. Investigation of a griffith crack subject to uniform tension using the non-local theory by a new method. Appl Math Mech 20, 1099–1107 (1999). https://doi.org/10.1007/BF02460326
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DOI: https://doi.org/10.1007/BF02460326