Abstract
The energy of the Francfort–Marigo model of brittle fracture can be approximated, in the sense of Γ-convergence, by the Ambrosio-Tortorelli functional. In this work we formulate and analyze an adaptive finite element algorithm, combining an inexact Newton method with residual-driven adaptive mesh refinement, for the computation of its (local) minimizers. We prove that the sequence generated by this algorithm converges to a critical point.
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Dedicated to Gradimir V. Milovanović on his 60th birthday
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Burke, S., Ortner, C., Süli, E. (2010). Adaptive Finite Element Approximation of the Francfort–Marigo Model of Brittle Fracture. In: Gautschi, W., Mastroianni, G., Rassias, T. (eds) Approximation and Computation. Springer Optimization and Its Applications, vol 42. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6594-3_19
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DOI: https://doi.org/10.1007/978-1-4419-6594-3_19
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