Report
Lightning Stokes solver
| العنوان: | Lightning Stokes solver |
|---|---|
| المؤلفون: | Brubeck, Pablo D., Trefethen, Lloyd N. |
| سنة النشر: | 2021 |
| المجموعة: | Computer Science Mathematics |
| مصطلحات موضوعية: | Mathematics - Numerical Analysis, 41A20, 65N35, 76D07 |
| الوصف: | Gopal and Trefethen recently introduced "lightning solvers" for the 2D Laplace and Helmholtz equations, based on rational functions with poles exponentially clustered near singular corners. Making use of the Goursat representation in terms of analytic functions, we extend these methods to the biharmonic equation, specifically to 2D Stokes flow. Solutions to model problems are computed to 10-digit accuracy in less than a second of laptop time. As an illustration of the high accuracy, we resolve two or more counter-rotating Moffatt eddies near a singular corner. |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2107.01572 |
| رقم الانضمام: | edsarx.2107.01572 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |