Dugdale Model Applied to Crack Interactionsby K. Shah, Univ of Minnesota, Minneapolis, United States,
H. Stolarski, Univ of Minnesota, Minneapolis, United States,
J. F. Labuz, Univ of Minnesota, Minneapolis, United States,
Abstract: It is doubtful that modelling crack interactions problem within the context of elasticity adequately reflects the physical aspects as the failure of brittle material is approached. A model incorporating the inelastic response may be more appropriate. In this paper, a cohesive-zone model is extended for mixed modes of loading and then is applied to crack interaction problems. The results are compared to some existing methods.
Subject Headings: Cracking | Material failures | Physical models | Elastic analysis | Failure analysis | Brittleness | Inelasticity | Load factors
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