Optimal Modeling Study of Flooding Phenomenon in Urban Area (Dam break case)
In this paper a numerical study of urban flooding caused by dam break has been undertaken. Problem statement: This study illustrated the influence of the different versions of K-epsilon turbulence model on the water flow behavior, predicted by Computational Fluid Dynamic (CFD) and validated through...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2010-07-01
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| Series: | International Journal for Simulation and Multidisciplinary Design Optimization |
| Subjects: | |
| Online Access: | https://www.ijsmdo.org/articles/smdo/pdf/2010/03/smdo2010019.pdf |
| Summary: | In this paper a numerical study of urban flooding caused by dam break has been undertaken. Problem statement: This study illustrated the influence of the different versions of K-epsilon turbulence model on the water flow behavior, predicted by Computational Fluid Dynamic (CFD) and validated through experiment. Approach: The water velocity, free surface profile and also secondary circulation flow along with the pressure through the city are simulated and proved. Results: Results are obtained with numerical simulation using standard k-epsilon, are relatively good agreement with the experimental results. Conclusion/Recommendations: In the present study, the velocity and the water depth are investigated to check the real capabilities of a 3D numerical code ANSYS-CFX and especially to define the optimal parameters (Mesh, boundary conditions, turbulence model,) able to simulate the flow behavior through the complex urban area, with the best accuracy. |
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| ISSN: | 1779-627X 1779-6288 |