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| Content Provider | Springer Nature Link |
|---|---|
| Author | Castro Orgaz, Oscar |
| Copyright Year | 2010 |
| Abstract | Seepage flow is an agent related to the transport and dispersion of contamination in groundwater. Steady two-dimensional seepage flow is governed by Laplace’s equation, for which several solution techniques are available. Because computations are complex from a practical point of view, simplified models encompass the Dupuit-Forchheimer approach assuming a horizontal flow. However this approach is inaccurate in seepage problems involving steep drawdowns. In this research, a new theoretical model for 2D seepage flow is proposed based on Fawer’s theory for curved flows Castro-Orgaz (Environ Fluid Mech 10(3):2971–2310, 2010), from which a second-order equation results describing the seepage surface. From this development, a numerical solution for the rectangular dam problem based on the second-order model is presented, whereas a simple first-order equation is found to describe flow to drains under a uniform rainfall. The results of this new model are compared with the full 2D solution of Laplace’s equation for typical test cases, resulting in an excellent agreement. |
| Starting Page | 427 |
| Ending Page | 435 |
| Page Count | 9 |
| File Format | |
| ISSN | 15677419 |
| Journal | Environmental Fluid Mechanics |
| Volume Number | 11 |
| Issue Number | 4 |
| e-ISSN | 15731510 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2010-10-06 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Dam Drains Flow net Seepage Two-dimensional flow Mechanics Hydrogeology Meteorology/Climatology Oceanography Environmental Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Water Science and Technology |
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