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Keywords:

  • advection;
  • remapping;
  • nonoscillatory methods

Abstract

MPDATA is a flexible and computationally efficient methodology that has been applied to advection, remapping, and full fluid solvers. In this paper, we extend the fundamental concept, iterated upwind compensation of error, to incorporate a new degree of freedom—that of gauge transformations—with the goal of constructing a monotonicity preserving option for MPDATA. We further augment this scheme by adapting the idea of summing the recursive relations to improve the overall accuracy. This process leads to a theoretical connection of this MPDATA scheme to flux-limited algorithms. Published in 2005 by John Wiley & Sons, Ltd.