Numerical Algorithms

, Volume 66, Issue 3, pp 643–662 | Cite as

Application of Sinc-Galerkin method to singularly perturbed parabolic convection-diffusion problems

  • J. Rashidinia
  • A. Barati
  • M. Nabati
Original Paper


We develop a numerical algorithm for solving singularly perturbed one-dimensional parabolic convection-diffusion problems. The method comprises a standard finite difference to discretize in temporal direction and Sinc-Galerkin method in spatial direction. The convergence analysis and stability of proposed method are discussed in details, it is justifying that the approximate solution converges to the exact solution at an exponential rate. we know that the conventional methods for these problems suffer due to decreasing of perturbation parameter, but the Sinc method handel such difficulty as singularity. This scheme applied on some test examples, the numerical results illustrate the efficiency of the method and confirm the theoretical behavior of the rates of convergence.


Singularly perturbed convection-diffusion equation Sinc-Galerkin method Convergence analysis Stability 

Mathematics Subject Classifications (2010)

65M12 65M60 65M99 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.School of MathematicsIran University of Science and TechnologyNarmakIran

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