Modelling Weirs in Two-Dimensional Shallow Water Models
2D models based on the shallow water equations are widely used in river hydraulics. However, these models can present deficiencies in those cases in which their intrinsic hypotheses are not fulfilled. One of these cases is in the presence of weirs. In this work we present an experimental dataset inc...
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| Veröffentlicht in: | Water (Basel) 2021-08, Vol.13 (16), p.2152 |
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| creator | García-Alén, Gonzalo García-Fonte, Olalla Cea, Luis Pena, Luís Puertas, Jerónimo |
| description | 2D models based on the shallow water equations are widely used in river hydraulics. However, these models can present deficiencies in those cases in which their intrinsic hypotheses are not fulfilled. One of these cases is in the presence of weirs. In this work we present an experimental dataset including 194 experiments in nine different weirs. The experimental data are compared to the numerical results obtained with a 2D shallow water model in order to quantify the discrepancies that exist due to the non-fulfillment of the hydrostatic pressure hypotheses. The experimental dataset presented can be used for the validation of other modelling approaches. |
| doi_str_mv | 10.3390/w13162152 |
| format | Article |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute |
| subjects | Approximation Boundary conditions Computational fluid dynamics Datasets Fluid flow Hydraulics Hydrostatic pressure Hypotheses Physical simulation Pressure distribution Shallow water Shallow water equations Software Stainless steel Topography Two dimensional models Weirs |
| title | Modelling Weirs in Two-Dimensional Shallow Water Models |
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