We present a variational framework for studying screw dislocations subject to antiplane shear. Using a classical model developed by Cermelli and Gurtin [6], methods of Calculus of Variations are exploited to prove existence of solutions, and to derive a useful expression of the Peach-K¨ohler forces acting on a system of dislocation. This provides a setting for studying the dynamics of the dislocations, which is done in [4].
Renormalized energy and Peach-Köhler forces for screw dislocations with antiplane shear / Blass, Timothy; Morandotti, Marco. - In: JOURNAL OF CONVEX ANALYSIS. - ISSN 0944-6532. - STAMPA. - 24:2(2017), pp. 547-570.
Renormalized energy and Peach-Köhler forces for screw dislocations with antiplane shear
Morandotti, Marco
2017
Abstract
We present a variational framework for studying screw dislocations subject to antiplane shear. Using a classical model developed by Cermelli and Gurtin [6], methods of Calculus of Variations are exploited to prove existence of solutions, and to derive a useful expression of the Peach-K¨ohler forces acting on a system of dislocation. This provides a setting for studying the dynamics of the dislocations, which is done in [4].File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2722531