Abstract
We consider the system of equations arising from finite difference discretization of a three-dimensional convection–diffusion model problem. This system is typically nonsymmetric. The GMRES method with the Strang block-circulant preconditioner is proposed for solving this linear system. We show that our preconditioners are invertible and study the spectra of the preconditioned matrices. Numerical results are reported to illustrate the effectiveness of our methods.
| Original language | English |
|---|---|
| Pages (from-to) | 143-158 |
| Number of pages | 16 |
| Journal | Journal of Computational and Applied Mathematics |
| Volume | 140 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 1 Mar 2002 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 9 Industry, Innovation, and Infrastructure
User-Defined Keywords
- Circulant preconditioner
- Convection-diffusion equations
- Finite difference discretization
- GMRES
Fingerprint
Dive into the research topics of 'Block-circulant preconditioners for systems arising from discretization of the three-dimensional convection–diffusion equation'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver