Time-dependent cohesive zone modelling for discrete fracture simulation
作者： Gordon Geißler , Michael Kaliske
DOI: 10.1016/J.ENGFRACMECH.2009.09.013
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摘要: The cohesive crack tip model became very popular in fracture and failure mechanics, starting with the original publications of (Dugdale, 1960) [1] (Barenblatt, 1962) [2] first practical applications early 1980s. A compact representation mechanical basis, kinematic constitutive issues as well some special characteristics related finite element formulation are given part this contribution. main is dedicated to presentation discussion recent developments methods for time-dependent fracture. On basis a rheological assumption, novel viscoelastic extension traction separation laws presented resultant characteristic behaviour depicted compared different loading conditions. Adopting an industrial application peel foil specimen, aspects parameter identification material shown.
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