Parallel Two-Step W-Methods on Singular Perturbation Problems

  • Authors:
  • Rüdiger Weiner;B. A. Schmitt;Helmut Podhaisky

  • Affiliations:
  • -;-;-

  • Venue:
  • PPAM '01 Proceedings of the th International Conference on Parallel Processing and Applied Mathematics-Revised Papers
  • Year:
  • 2001

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Abstract

Parallel two-step W-methods (shortly PTSW-methods) use s linearly-implicit external stages which may be processed in parallel. We discuss convergence properties of these methods on singularly perturbed problems and give estimates for the global error for non-constant stepsizes. Due to the high stage order of the method no order reduction occurs.