Algorithm 866: IFISS, a Matlab toolbox for modelling incompressible flow

  • Authors:
  • Howard C. Elman;Alison Ramage;David J. Silvester

  • Affiliations:
  • University of Maryland, College Park, MD;University of Strathclyde, Glasgow, UK;University of Manchester, Manchester, UK

  • Venue:
  • ACM Transactions on Mathematical Software (TOMS)
  • Year:
  • 2007

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Abstract

IFISS is a graphical Matlab package for the interactive numerical study of incompressible flow problems. It includes algorithms for discretization by mixed finite element methods and a posteriori error estimation of the computed solutions. The package can also be used as a computational laboratory for experimenting with state-of-the-art preconditioned iterative solvers for the discrete linear equation systems that arise in incompressible flow modelling. A unique feature of the package is its comprehensive nature; for each problem addressed, it enables the study of both discretization and iterative solution algorithms as well as the interaction between the two and the resulting effect on overall efficiency.