›› 2008, Vol. 29 ›› Issue (6): 1659-1664.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on numerical simulation of drainage hole of seepage field in underground engineering with implicit composite element method

NI Shao-hu, XIAO Ming   

  1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China
  • Received:2006-09-06 Online:2008-06-10 Published:2013-07-15

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Abstract: A numerical simulation method of drainage hole in three-dimensional seepage field in underground engineering is presented according to the theory of seepage flow. Drainage holes are implicit in model and their data are gained according to pre-process. The relative positions of drainage holes are judged and their impacts are simulated through modifying the penetrability conduction matrixes of elements perforated by the drainage holes. And then drainage substructure method and implicit composite element method are compared via an example. Finally, a three-dimensional finite element method calculation program compiled by ourselves is used to simulate the seepage field of an underground hydropower house. The calculation result shows that the new method introduced is feasible to simulate drainage holes.

Key words: seepage, numerical simulation, drainage hole, implicit composite element method

CLC Number: 

  • O 357
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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