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1 LJLL - Laboratoire Jacques-Louis Lions

Abstract : We discuss the equations of elastostatics in a Riemannian manifold, which generalize those of classical elastostatics in the three-dimensional Euclidean space. Assuming that the deformation of an elastic body arising in response to given loads should minimize over a specific set of admissible deformations the total energy of the elastic body, we derive the equations of elastostatics in a Riemannian manifold first as variational equations, then as a boundary value problem. We then show that this boundary value problem possesses a solution if the loads are sufficiently small in a specific sense. The proof is constructive and provides an estimation for the size of the loads.

Keywords : Korn inequality nonlinear elasticity elastostatics in a Riemannian manifold Newton’s algorithm nonlinear elliptic system





Author: Cristinel Mardare -

Source: https://hal.archives-ouvertes.fr/



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