Calculus of Variations and Geometric Measure Theory
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G. Gargiulo - E. Zappale

A lower semicontinuity result in SBD for surface integral functionals of Fracture Mechanics.

created by zappale on 18 Feb 2009

[BibTeX]

Submitted Paper

Inserted: 18 feb 2009

Year: 2008

Abstract:

A lower semicontinuity result is proved in the space of special functions of bounded deformation, under a noninterpenetration constraint, for a surface integral, whose energy density $\Psi$ has explicit dependence on the jump and the normal to the crack site. A characterization of the energy density $\Psi$, which ensures lower semicontinuity, is also given.

Keywords: Lower Semicontinuity, Special Functions of Bounded Deformations, Barenblatt, non-interpenetration

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