Preprint 2005-020

Well-Balanced Finite Volume Schemes of Arbitrary Order of Accuracy for Shallow Water Flows

Sebastian Noelle, Normann Pankratz, Gabriella Puppo, and Jostein R. Natvig

Abstract: Many geophysical flows are merely perturbations of some fundamental equilibrium state. If a numerical scheme shall capture such flows efficiently, it should be able to preserve the unperturbed equilibrium state at the discrete level. Here we present a class of schemes of any desired order of accuracy which preserve the lake at rest perfectly. These schemes should have an impact for studying important classes of lake and ocean flows.

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Sebastian Noelle, <>
Normann Pankratz, <>
Gabriella Puppo, <>
Jostein R. Natvig, <>
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<> May 11 2005.

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