Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1140465 | Mathematics and Computers in Simulation | 2007 | 7 Pages |
Abstract
We develop a discretization and solution technique for elliptic problems whose solutions may present strong variations, singularities, boundary layers and oscillations in localized regions. We start with a coarse finite element discretization with a mesh size H , and we superpose to it local patches of finite elements with finer mesh size h≪Hh≪H to capture local behaviour of the solution. We discuss the implementation and illustrate the method on an industrial example.
Keywords
Related Topics
Physical Sciences and Engineering
Engineering
Control and Systems Engineering
Authors
Vittoria Rezzonico, Alexei Lozinski, Marco Picasso, Jacques Rappaz, Joël Wagner,