Dissertation > Excellent graduate degree dissertation topics show

The Flow Simulation of Earth Dam’s Gradual Failure Based on FLUENT

Author: LinChangQiang
Tutor: WangCheng
School: Huazhong University of Science and Technology
Course: Water Resources and Hydropower Engineering
Keywords: dam break gradual failure FLUENT water flow state
CLC: TV122.4
Type: Master's thesis
Year: 2011
Downloads: 65
Quote: 0
Read: Download Dissertation

Abstract


The problem of dam failures has always been of great important because of their disastrous effects. The numerical simulation of dam failure flow can divide into sudden catastrophic failure and gradual failure. The current study is focused on sudden catastrophic failure. However, as the most common type of dam, earthen embankment has the largest number of failure, and the failure of earthen embankment is mainly gradual. For this reason, the present paper applies general CFD software FLUENT and tries to simulate the dam break flow of gradual failure.The dissertation starts with an introduction of this study discipline, including dam break flow simulation and mechanism of earthen embankment failure. Based on this, different from current two dimensional flow simulation, three dimensional CFD software FLUENT is introduced in this paper to simulate the dam break flow. Validated by some popular experiments and hypothetic tests, FLUENT is suitable for the study of dam break flow. Model of OSMAN slope stability analysis is employed to simulate the breach development. Based on physics, this model is more reasonable than others, which considers water flow, material character of dam, slope stability and so on. Dynamic mesh and user defined functions of FLUENT are used to program UDF of gradual enlarged breach. After calculation in FLUENT, the process of enlarged breach which is influenced by water flow and the flow state which is influenced by breach can be shown. And the breach hydrograph can also be acquired by program corresponding UDF.

Related Dissertations

  1. Research on Dam-Break Probability Analysis Method for Dangerous Reservoir,TV697
  2. The Value Simulation of the Filtration Process by Fiber Filter Materials,TB34
  3. Research on the Risk Evaluation and Classification Technology on the Dam Failing of Tailing Ponds,TV122.4
  4. Experiment and Numerical Simulation Study of Side Holds Distributor Fluidized Bed,TQ051
  5. Numerical Simulation Study on the Process of Electrospinning and Experimental Verification,TQ340.6
  6. Research of Morphing Fin Stabilizer and Its Application in Underwater Vehicles,U664.72
  7. A Comparative Study on Energy Consuming of Hybrid Ground-source Heat Pump Systems,TU831
  8. The Study of Ground Temperature in GSHP System in the Model of Heating,TU831
  9. Magnetic drug targeting drug delivery capture efficiency modeling and influencing factors,R94
  10. Solar Pressurized Cavity Thermal Receiver Numerical Simulation Research,TK513
  11. PEMFC bipolar plate stainless steel surface microstructure research,TM911.4
  12. Low resistance values ??Design hollow shells,TJ410.2
  13. Supermarket indoor environmental parameters and energy consumption calculation analysis,TU111.195
  14. Analyzing Heat Efficiency of Drying Drum Used in Asphalt Mixing Plant and Construction Optimum Design,U415.5
  15. Study on the Static and Dynamic Characteristics for the Ladder Recesses Hybrid Bearings with Capillary Throttle,TH133.36
  16. Biomass Transfer Study in Cyro-perservation of Cells,R318.52
  17. Numerical Simulation of Grinding Jet Used for Slit on Field of Liquid-solid Two-phase Flow in Oil Well,O358
  18. Numerical Simulation of the Airflow and Methane Distribution in Working Face with Auxiliary Ventilation,TD712
  19. Mine Ventilation System Reliability Engineering Methods,TD724
  20. Analysis Research on Air-Flowing Field in Fully Mechanized Working Face Gob,TD72

CLC: > Industrial Technology > Hydraulic Engineering > The basic science of water resources project > Engineering and hydrology > Flood > Outburst flood
© 2012 www.DissertationTopic.Net  Mobile