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An engineering concept to account for crack-tip constraints. (English) Zbl 1150.74594

A promising possibility is suggested, where a new constraint parameter \(G\) is introduced. It has two main advantages: it can be obtained easier than the commonly used \(Q\)-parameter, and it is related to the fracture toughness parameters by closed-form equations.

MSC:

74R99 Fracture and damage
74G70 Stress concentrations, singularities in solid mechanics
74E99 Material properties given special treatment
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