Nitsche type mortaring for elliptic problems with corner singularities |
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Authors: | B. Heinrich |
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Abstract: | The paper deals with Nitsche type mortaring as a finite element method (FEM) for treating non‐matching meshes of triangles at the interface of some domain decomposition. The approach is applied to the Poisson equation with Dirichlet conditions for the case that the interface passes re‐entrant corners of the domain and local mesh refinement is applied. Some properties of the finite element scheme and error estimates in a discrete H1‐like and in the L2‐norm are proved. |
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