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A Numerical Method of High Accuracy for Linear Parabolic Partial Differential Equations

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  • Jun Liu
  • Yan Wang

Abstract

We report a new numerical algorithm for solving one-dimensional linear parabolic partial differential equations (PDEs). The algorithm employs optimal quadratic spline collocation (QSC) for the space discretization and two-stage Gauss method for the time discretization. The new algorithm results in errors of fourth order at the gridpoints of both the space partition and the time partition, and large time steps are allowed to save computational cost. The stability of the new algorithm is analyzed for a model problem. Numerical experiments are carried out to confirm the theoretical order of accuracy and demonstrate the effectiveness of the new algorithm.

Suggested Citation

  • Jun Liu & Yan Wang, 2012. "A Numerical Method of High Accuracy for Linear Parabolic Partial Differential Equations," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-14, July.
    • Handle: RePEc:hin:jnlmpe:497365
    DOI: 10.1155/2012/497365
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