Volume 1, Issue 2 (December 2003)
IJCE 2003, 1(2): 114-122 |
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ASGHARI K.. PETROV GALERKIN FINITE ELEMENT ANALYSIS OF SHALLOW WATER EQUATIONS KAYVAN ASGHARI. IJCE 2003; 1 (2) :114-122
URL: http://ijce.iust.ac.ir/article-1-144-en.html
URL: http://ijce.iust.ac.ir/article-1-144-en.html
Abstract: (40258 Views)
The solution of shallow-water equation for a two-dimensional .simulation of overland /low for an actual watershed, is presented. The Petorv-Galerkin weighted residual method is used to overcome spurious oscillations inflow depth. For modeling overland flow over complex topography and variable surface, ct pre and postprocessor was developed to utilize the Triangulated Irregular Network (TIN) model and to generate finite element mesh. Close agreement of the model with measured data is obtained. This model can be used to better analyze the influence of varying surface roughness and topography on overland flow characteristics, including distribution of flow depth and velocity (is well as resulting hydrographs. Detailed spatial and temporal output parameters provide a basis fur further study of the patterns of soil erosion and evaluation of runoff natural slopes.
Keywords: shallow wetter equations, discontinuous flow. Petrov, Galerkin finite element. actual watershed
Type of Study: Research Paper |
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