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RISHydrodynamic Modeling of Basin Irrigation
Publisher: American Society of Civil Engineers
Abstract: In this study, a hydrodynamic model is presented for simulating basin irrigation. An explicit, second-order-accurate finite-volume technique is used for solving the two-dimensional governing equations of basin irrigation. ...
Complete Hydrodynamic Border-Strip Irrigation Model
Publisher: American Society of Civil Engineers
Abstract: In this study, a hydrodynamic model is presented for simulating all the phases of border-strip irrigation. The explicit, second-order accurate MacCormack scheme is used for solving the governing equations of surface ...
Closure to “Gradually Varied Flow Computation in Cyclic Looped Channel Networks” by H. Prashanth Reddy and S. Murty Bhallamudi
Publisher: American Society of Civil Engineers
Gradually Varied Flow Computation in Cyclic Looped Channel Networks
Publisher: American Society of Civil Engineers
Abstract: A novel and computationally efficient algorithm is presented to compute the water surface profiles in steady, gradually varied flows of open channel networks. This algorithm allows calculation of flow depths and discharges ...
Bed‐Level Variation in Channel Expansions with Movable Beds
Publisher: American Society of Civil Engineers
Abstract: This work presents analytical and numerical models for the analysis of steady‐state bed‐level variation in gradually expanded open channels with movable beds. The analytical model employs the one‐dimensional flow assumption, ...
Efficient Solution Algorithm for Unsteady Flow in Channel Networks Using Subtiming Technique
Publisher: ASCE
Abstract: This paper describes a computationally efficient numerical model for unsteady flow computations in open channel networks using the four-point Preissmann implicit scheme. The proposed algorithm achieves improved convergence ...
Numerical Modeling of Aggradation and Degradation in Alluvial Channels
Publisher: American Society of Civil Engineers
Abstract: The Saint‐Venant equations describing unsteady flow in open channels and the continuity equation for the conservation of sediment mass are numerically solved to determine the aggradation and degradation of channel bottom ...
Comparison of Spectral and Finite-Difference Methods for Flood Routing
Publisher: American Society of Civil Engineers
Abstract: This investigation presents a spectral method for solving the one-dimensional shallow-water wave equations. The spectral method is based on the Chebyshev collocation technique and finite-difference time stepping. The ...
Two-Dimensional Analysis of Dam-Break Flow in Vertical Plane
Publisher: American Society of Civil Engineers
Abstract: This work presents numerical computations for the analysis of Dam-Break Flow using two-dimensional flow equations in a vertical plane. The numerical model uses the general approach of the simplified marker and cell method ...
Modeling of Unsteady Flow in Curved Channel
Publisher: American Society of Civil Engineers
Abstract: TO analyze unsteady flow in a curved channel, three‐dimensional equations describing the conservation of mass and momentum are transformed from a Cartesian coordinate system to a channel‐fitted coordinate system. This ...