Preconditioned iterative methods for solving a fractional advection-diffusion equation

Authors

  • B. Raeisi
  • R. Khoshsiar Ghaziani Shahrekord Univ.

DOI:

https://doi.org/10.5269/bspm.64142

Abstract

In this paper, we consider numerical solutions of a fractional advection-diffusion equation. We  first, propose an implicit method based on Grunwald formulae and then discuss its stability and consistency.  To improve the implicit method, we use a preconditioned generalized minimal residual (PGMRES) method  and preconditioned conjugate gradient normal residual (PCGNR) method. Numerical experiments are given  to illustrate efficiency of the method. 

References

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Published

2025-09-22

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Section

Research Articles

How to Cite

Raeisi, B. ., & Khoshsiar Ghaziani, R. (2025). Preconditioned iterative methods for solving a fractional advection-diffusion equation. Boletim Da Sociedade Paranaense De Matemática, 43, 1-13. https://doi.org/10.5269/bspm.64142