Fluids, Elasticity, Geometry, and the Existence of Wrinkled Solutions

26 Aug 2017  ·  Acharya Amit, Chen Gui-Qiang, Li Siran, Slemrod Marshall, Wang Dehua ·

We are concerned with underlying connections between fluids, elasticity, isometric embedding of Riemannian manifolds, and the existence of wrinkled solutions of the associated nonlinear partial differential equations. In this paper, we develop such connections for the case of two spatial dimensions, and demonstrate that the continuum mechanical equations can be mapped into a corresponding geometric framework and the inherent direct application of the theory of isometric embeddings and the Gauss-Codazzi equations through examples for the Euler equations for fluids and the Euler-Lagrange equations for elastic solids... These results show that the geometric theory provides an avenue for addressing the admissibility criteria for nonlinear conservation laws in continuum mechanics. read more

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Analysis of PDEs Mathematical Physics Differential Geometry Mathematical Physics