Application of the Generalized Channel Routing Model

by G. W. Choi, Colorado State Univ, Fort Collins, United States,
K. W. Kang, Colorado State Univ, Fort Collins, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Using the linear full dynamic finite difference model the applicability of diffusion and kinematic wave models is investigated. Two dimensionless numbers are suggested for applicable range of simplified models by comparing the magnitude of each term in the Saint-Venant equation. The applicable range of diffusion and kinematic wave models is shown using the channel bed slope and dimensionless acceleration number (G$-ω/). Using the suggested range diffusion and kinematic wave models having the advantages of computational speed and easy application can be used for flood simulation in the channels.

Subject Headings: Kinematic waves | Hydraulic models | Mathematical models | Flood routing | Dynamic models | Hydrologic models | Computer models | Channel flow

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