Inserted: 24 jul 2006
Last Updated: 9 jun 2009
Journal: Boll. Unione Mat. Ital. (9)
We introduce a new model of irreversible quasistatic crack growth in which the evolution of cracks is the limit of a suitably modified $\varepsilon$-gradient flow of the energy functional, as the ``viscosity" parameter $\varepsilon$ tends to zero.