期刊
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS
卷 62, 期 7, 页码 1333-1351出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.na.2005.04.036
关键词
functions with bounded deformation; integral functionals; lower semicontinuity; symmetric quasiconvexity
The purpose of this paper is to study the lower semicontinuity with respect to the strong L I convergence, of some integral functionals defined in the space SBD of special functions with bounded deformation. Precisely, we prove that, if U E SBD(Q), (u(h)) c SBD(Q) converges to u strongly in L 1 (Q, R-n) and the measures vertical bar E(j)u(h)vertical bar converge weakly * to a measure v singular with respect to the Lebesgue measure, then integral(Omega) f(x, Eu) dx <= lim inf h ->infinity integral(Omega) (x, Eu-h) dx provided the integrandf satisfies a weak convexity property and standard growth assumptions of order p > 1. (c) 2005 Elsevier Ltd. All rights reserved.
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