On numerical dispersion by upwind differencing (Q1089755)
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scientific article; zbMATH DE number 4005501
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On numerical dispersion by upwind differencing |
scientific article; zbMATH DE number 4005501 |
Statements
On numerical dispersion by upwind differencing (English)
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1986
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It is shown that any upwind biased scheme for the linear one-dimensional convection equation for the Courant-Friedrichs-Lewy (CFL) number \(\sigma\) in the range [0,1] is free of dispersion if it is applied in one step with CFL number \(\sigma\) followed by a step with CFL number 1-\(\sigma\).
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Courant-Friedrichs-Lewy number
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upwind biased scheme
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linear one- dimensional convection equation
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dispersion
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CFL number
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