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Journal of Scientific Computing

, Volume 24, Issue 1, pp 79–95 | Cite as

Steady-State Computations Using Summation-by-Parts Operators

  • Magnus SvärdEmail author
  • Ken Mattsson
  • Jan Nordström
Article

Abstract

This paper concerns energy stability on curvilinear grids and its impact on steady-state calulations. We have done computations for the Euler equations using fifth order summation-by-parts block and diagonal norm schemes. By imposing the boundary conditions weakly we obtain a fifth order energy-stable scheme. The calculations indicate the significance of energy stability in order to obtain convergence to steady state. Furthermore, the difference operators are improved such that faster convergence to steady state are obtained.

Keywords

High order finite differences summation-by-parts operators convergence to steady state stability 

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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  1. 1.Department of Information TechnologyUppsala UniversityUppsalaSweden
  2. 2.Department of Information TechnologyUppsala UniversityUppsalaSweden
  3. 3.Division of Systems Technology, Department of Computational Physics, Department of Information TechnologyThe Swedish Defence Research Agency, Uppsala UniversityUppsalaSweden

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