Abstract
We derive the lower bound of the penalty parameter in the C0 IPDG for the bi-harmonic equation. Based on the bound, we propose a pre-processing algorithm. Numerical examples are shown to support the theory. In addition, we found that an optimal penalty does exist.
| Original language | English |
|---|---|
| Pages (from-to) | 112-117 |
| Number of pages | 6 |
| Journal | Applied Mathematics Letters |
| Volume | 37 |
| DOIs | |
| Publication status | Published - Nov 2014 |
| Externally published | Yes |
Keywords
- Bi-harmonic equation
- Optimal penalty parameter
- Pre-processing algorithm