Computation of Supercritical Flow in Open Channels

by Oscar F. Jiménez, Washington State Univ, Pullman, WA, USA,
M. Hanif Chaudhry, Washington State Univ, Pullman, WA, USA,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The use of two explicit, shock-capturing, finite-difference schemes, Lax and MacCormack, for the solution of two-dimensional shallow-water equations in steady, supercritical flow is investigated. Special attention is given to the inclusion of the boundary conditions. A satisfactory agreement between the computed results and the analytical solutions and experimental measurements shows that many practical problems may be simulated by the procedures presented.

Subject Headings: Supercritical flow | Open channel flow | Computing in civil engineering | Finite difference method | Shallow water | Flow measurement | Boundary conditions | Computer models

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