A theorem on geometric rigidity and the derivation of nonlinear plate theory from three‐dimensional elasticity
@article{Friesecke2002ATO, title={A theorem on geometric rigidity and the derivation of nonlinear plate theory from three‐dimensional elasticity}, author={Gero Friesecke and Richard D. James and Stefan M{\"u}ller}, journal={Communications on Pure and Applied Mathematics}, year={2002}, volume={55} }
The energy functional of nonlinear plate theory is a curvature functional for surfaces first proposed on physical grounds by G. Kirchhoff in 1850. We show that it arises as a Γ‐limit of three‐dimensional nonlinear elasticity theory as the thickness of a plate goes to zero. A key ingredient in the proof is a sharp rigidity estimate for maps v : U → ℝn, U ⊂ ℝn. We show that the L2‐distance of ∇v from a single rotation matrix is bounded by a multiple of the L2‐distance from the group SO(n) of all…
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