Difference Method for Higher-Order Equations of Flow

by Gaele S. Rodenhuis, Res. Engr.; Computational Hydr. Group, Int. Courses in Hydro. and Sanitary Engrg., Delft, The Netherlands,

Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 3, Pg. 471-483

Document Type: Journal Paper


A quasi-Lagrangian difference scheme can be used to describe higher-order systems of flow. Constructed on a computational grid formed by the third-order characteristics, it has no amplitude error and offers a possibility to represent tendencies towards instability of the flow. A filtering process is demonstrated to eliminate the effect of phase errors.

Subject Headings: Computing in civil engineering | Grid systems | Filters | Errors (statistics)

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