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RISSimulation of Shallow Flows in Nonuniform Open Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new formulation of the 2D shallow water equations, based on which a numerical model (referred to as NewChan) is developed for simulating complex flows in nonuniform open ...
Flood Simulation Using a Well-Balanced Shallow Flow Model
Publisher: American Society of Civil Engineers
Abstract: This work extends and improves a one-dimensional shallow flow model to two-dimensional (2D) for real-world flood simulations. The model solves a prebalanced formulation of the fully 2D shallow water equations, including ...
Influence of Total-Variation-Diminishing Slope Limiting on Local Discontinuous Galerkin Solutions of the Shallow Water Equations
Publisher: American Society of Civil Engineers
Abstract: Finite volume (FV) slope limiting is essential to stabilize discontinuous Galerkin (DG) solutions despite a number of side effects such as local loss of accuracy and increased run-time cost. These side effects have been ...
Flood Inundation Modeling with an Adaptive Quadtree Grid Shallow Water Equation Solver
Publisher: American Society of Civil Engineers
Abstract: Flood risk studies require hydraulic modeling in order to estimate flow depths and other hydraulic variables in the floodplain for a wide range of input conditions. Currently there is a need to improve the computational ...