Research Article
Analysis of Two-Grid Characteristic Finite Element Methods for Convection-Diffusion Equations
Algorithm 1
Correction on the coarse grid.
| | Step 1: On the coarse grid , for , we find and solve the following nonlinear system: | | | Step 2: On the fine grid , for , given , we find to satisfy the following linear system: | | | Step 3: On the coarse grid , for , given and , we find to satisfy the following linear system: |
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