SToRM: A Model for 2D environmental hydraulics
By: Francisco J. M. Simões
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Abstract
A two-dimensional (depth-averaged) finite volume Godunov-type shallow water model developed for flow over complex topography is presented. The model, SToRM, is based on an unstructured cell-centered finite volume
formulation and on nonlinear strong stability preserving Runge-Kutta time stepping schemes. The numerical discretization is founded on the classical and well established shallow water equations in hyperbolic conservative
form, but the convective fluxes are calculated using auto-switching Riemann and diffusive numerical fluxes. Computational efficiency is achieved through a parallel implementation based on the OpenMP standard and the
Fortran programming language. SToRM’s implementation within a graphical user interface is discussed. Field application of SToRM is illustrated by utilizing it to estimate peak flow discharges in a flooding event of the St. Vrain Creek in Colorado, U.S.A., in 2013, which reached 850 m3/s (~30,000 f3
/s) at the location of this study.
Study Area
| Publication type | Conference Paper |
|---|---|
| Title | SToRM: A Model for 2D environmental hydraulics |
| Year Published | 2017 |
| Language | English |
| Publisher | Proceedings of the 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling, April 19-23, 2015, Reno, Nevada, USA |
| Contributing office(s) | National Research Program - Central Branch |
| Description | 13 p. |
| First page | 350 |
| Last page | 362 |
| Conference Title | 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling |
| Conference Location | Reno, NV |
| Conference Date | April 19-23, 2015 |
| Country | United States |
| State | Colorado |
| Other Geospatial | St. Vrain Creek |
| Google Analytic Metrics | Metrics page |