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A mixed adhesion–brittle fracture model and its application to the numerical study of ice shedding mechanisms

Abstract : The understanding of ice shedding is of prime importance in the assessment of aeronautical ice protection systems. In this paper, the authors previously studied mechanism is extended to include adhesive debonding. It is based on pressure redistribution in the water film formed at the ice/airfoil interface. The numerical modelling of crack propagation is based on recent work on damage mechanics which provides a general framework. As for adhesive debonding an algebraic model is derived from general mechanical equilibrium relations. Numerical experiments are performed to study an adhesive-debonding/brittle-failure mode detachment, the results of which are discussed.
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Lokman Bennani, Philippe Villedieu, Michel Salaün. A mixed adhesion–brittle fracture model and its application to the numerical study of ice shedding mechanisms. Engineering Fracture Mechanics, Elsevier, 2016, vol. 158, pp. 59-80. ⟨10.1016/j.engfracmech.2016.02.050⟩. ⟨hal-01662767⟩

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