نتایج جستجو برای: depth averaged model
تعداد نتایج: 2259976 فیلتر نتایج به سال:
Dissolution of nonaqueous-phase liquids (NAPLs) from variable-aperture fractures couples fluid flow, transport of the dissolved NAPL, interphase mass transfer, and the corresponding NAPL-water-interface movement. Each of these fundamental processes is controlled by fracture-aperture variability and entrapped-NAPL geometry. We develop a depth-averaged computational model of dissolution that inco...
Location of soil moisture sampling in irrigation management is of special importance due to the spatial variability of soil hydraulic characteristics and the development of root system. The objective of this study was determination of the suitable location for soil moisture sampling in drip-tape irrigation management, which is representative of the average moisture in the soil profile (θavg) as...
A Numerical Study of Flow Dispersion Stresses in 2D Depth Averaged Model for Curvilinear Flow Domain
The objective of the study is to present a two dimensional model with incorporated dispersion terms as source term in transport equations for simulation of curvilinear flow field. The comparison of the simulated velocity field and water surface elevation indicated that the incorporation of such terms has reasonably improved the secondary flow scenario. Keywords— Flow simulation, numerical model...
In this study, a shallow water flow code was developed and tested against four benchmark problems of practical relevance. The results demonstrated that as the eddy viscosity increased, the velocity slope along the spanwise direction decreased, and the larger roughness coefficient induced a higher flow depth over the channel width. The mass conservation rate was determined to be 99.2%. This valu...
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