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Advanced Drainage Modeling Techniques - In-Class Task CE En 547

In this task, you'll explore advanced concepts in agricultural drainage modeling using flow budgets. Begin by adding a well and manipulating pumping rates. Learn to set contours at fixed intervals and convert your designs to CAD. You'll rebuild the model while adjusting HK/VK ratios, compare different flow scenarios, and examine the effects of drainage design on groundwater tables. Save various copies of your contours to document changes such as different conductance and widths. This hands-on experience deepens understanding of hydrological management in agricultural contexts.

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Advanced Drainage Modeling Techniques - In-Class Task CE En 547

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  1. Agricultural Drains, Part 2 In-Class Task Script CE En 547 Brigham Young University

  2. 1a. Add a well in the interior

  3. 1b. (diff pumping rate)

  4. 2a. Flow Budget – change zones

  5. 2b. View Budget

  6. 2c. Remove Well and Re-Run

  7. 2c. Flow Budget

  8. 3a. Set contours to fixed interval

  9. 3a. Convert to CAD

  10. 3b. Rebuild the Model

  11. Redo previous steps Be sure to set HK/VK ratio to 1 (default is 3) or change VK option and set VK to 4.0

  12. 3c. Compare Contours Not much difference

  13. 3d. New Flow Budget

  14. 4a. Save Another Copy of Contours

  15. 4b. Change VK=HK/5=0.8

  16. Compare Flatter water table surface

  17. 5a. Save another copy of head contours

  18. 5b. Remove Head BC

  19. 5b. Add Drains

  20. 5c. SIP Solver and Options

  21. 5c. Save and Run Almost identical. Why?

  22. 5d. Change conductance K=.5, L=50, width=6, thickness=3 C = KA/L C= 0.5*(50*6)/3=50 Change and double-click

  23. Compare Heads are higher.

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