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| Paper: |
New pulsation codes based on finite element techniques |
| Volume: |
11, Confrontation Between Stellar Pulsation and Evolution |
| Page: |
593 |
| Authors: |
Brassard, P.; Pelletier, C.; Fontaine, G.; Wesemael, F. |
| Abstract: |
Linear pulsation codes based on the numerical concepts of finite-element analysis and providing stability, speed, accuracy, high-order convergence, and ease of use are introduced. The concept of element consists of dividing the mesh of integration into small elements and approximating the solution into each element by a linear combination of n + 1 n-th-order polynomials forming a complete basis and by minimizing the introduced error. The overall integrity of the code is tested on a constant-density analytical model. The convergence properties of various codes are presented using a compositionally stratified white-dwarf model. |
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