COHESIVE ELEMENT MODELING OF VISCOELASTIC FRACTURE: APPLICATION TO PEEL TESTING OF POLYMERS

By P. Rahul-Kumar, A. Jagota, S. Bennison, S. Saigal. 2000

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Mechanics of hierarchical adhesion structures of geckos (2005, background): “2 Other cohesive models (Barenblatt, 1959; Willis, 1967; Rose et al., 1981; Xu and Needleman, 1994; Rahulkumar et al., 2000) could in principle also be used to model molecular adhesion.”
Analysis of crack growth and crack-tip plasticity in ductile materials using cohesive zone models (2003, methodology): “CZMs have been used to simulate the fracture process in a number of material systems including polymers ( Rahulkumar et al., 2000 ), metallic materials (Siegmund and Brocks, 2000), ceramic materials (Camacho and Ortiz, 1996), concrete structure (Hillerborg et al., 1976), bimaterial systems (Aronsson”
Physics-based modeling of brittle fracture: Cohesive formulations and the application of meshfree methods (2000, background): “[73], Costanzo and Walton[22], and Lee and Prakash[53].”
Crack blunting and the strength of soft elastic solids (2003, methodology): “Blunting has been observed in computational analyses of crack propagation in hyperelastic materials where fracture was modelled using a cohesive zone (Jagota et al. 2000; Rahul Kumar et al .”
An improved description of the exponential Xu and Needleman cohesive zone law for mixed-mode decohesion (2006, background): “[ 30 ,46]). A new independent parameter is next introduced: the tangential work-of-separation /t, which is substituted for /n in the equation for the tangential traction (see Eq. (17) below).”