Article citationsMore>>
Rao, P., Hromadka, T.V., Huxley, C., Souders, D., Jordan, N., Yen, C.C., Bristow, E., Biering, C., Horton, S. and Espinosa, B. (2017) Assessment of Computer Modeling Accuracy in Floodplain Hydraulics. International Journal of Modelling and Simulation, 37, 88-95.
https://doi.org/10.1080/02286203.2016.1261218
has been cited by the following article:
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TITLE:
Application of Diffusion Hydrodynamic Model for Overland Flows
AUTHORS:
Theodore V. Hromadka II, Prasada Rao
KEYWORDS:
Two-Dimensional Flow, Numerical Modeling, Natural Watercourse, Explicit Scheme, Hydrograph
JOURNAL NAME:
Open Journal of Fluid Dynamics,
Vol.9 No.4,
December
17,
2019
ABSTRACT: Modeling two-dimensional overland flow across complex real-world topography is a challenging problem. Predicting the overland flow variables for various whatif rainfall scenarios can facilitate designing water infrastructure components aimed at preventing inundation and urban flooding. Numerical models that are being used range from those that solve the simplified St. Venant equations to CFD models that solve the complete three dimensional Navier-Stokes equations. In this work, the performance of the USGS Diffusion Hydrodynamic Model (DHM) for a series of overland flow test problems was tested by comparing numerical solutions obtained for an event-driven simulation across various sensitive parameter combinations. The reliability of the model and its ability to incorporate various topographical characteristics in the domain are illustrated.
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