Convergence of equilibria for bending-torsion models of rods with inhomogeneities

被引:0
|
作者
Pawelczyk, Matthaeus [1 ]
机构
[1] Tech Univ Dresden, FB Math, D-01062 Dresden, Germany
关键词
elasticity; dimension reduction; homogenization; convergence of equilibria; INEXTENSIBLE RODS; DERIVATION;
D O I
10.1017/prm.2018.109
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We prove that, in the limit of vanishing thickness, equilibrium configurations of inhomogeneous, three-dimensional non-linearly elastic rods converge to equilibrium configurations of the variational limit theory. More precisely, we show that, as $h\searrow 0$, stationary points of the energy , for a rod with cross-sectional diameter h, subconverge to stationary points of the Gamma-limit of , provided that the bending energy of the sequence scales appropriately. This generalizes earlier results for homogeneous materials to the case of materials with (not necessarily periodic) inhomogeneities.
引用
收藏
页码:233 / 260
页数:28
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