Calculus of Variations and Geometric Measure Theory
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L. Freddi - F. Murat - R. Paroni

Anisotropic inhomogeneous rectangular thin-walled beams

created by freddi on 04 Apr 2008
modified on 28 Jan 2009


Published Paper

Inserted: 4 apr 2008
Last Updated: 28 jan 2009

Journal: SIAM Journal on Mathematical Analysis
Volume: 40
Number: 5
Pages: 1923-1951
Year: 2009


The paper is devoted to the asymptotic analysis of the problem of linear elasticity for an anisotropic and inhomogeneous body occupying, in its reference configuration, a cylindrical domain with a rectangular cross section with sides proportional to $\epsilon$ and $\epsilon^2$ and clamped on one of its bases. The sequence of solutions $u^\epsilon$ of the equilibrium problem is shown to converge in an appropriate topology, as $\epsilon$ goes to zero, to the solution of a problem for a beam in which the extensional, flexural and torsional effects are all coupled together.

Keywords: dimension reduction, linear elasticity, partial Korn's inequalities


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