1.Start ModelMuse as before and create a new PHAST model. In the Initial Grid dialog box, set the number of nodes in the X, Y, and Z directions to be 16, 9, and 5 respectively. Set the distance between nodes in the X, Y, and Z directions to be 6000, 6000, and 100 respectively. Click the Finish button to close the dialog box.
2.In the main ModelMuse window select Model|PHAST Title and Units… Copy the title from ex4.trans.dat to the clipboard and paste it in the title section. Assign the following units. Then click the OK button.
Option |
Units |
Time units |
years |
Horizontal grid units |
meters |
Vertical grid units |
meters |
Head units |
meters |
Hydraulic conductivity units |
meters per second |
Specific storage units |
1/meters |
Dispersivity units |
meters |
Flux units |
meters per year |
Leaky hydraulic conductivity units |
meters per second |
Leaky thickness units |
meters |
Well diameter units |
inches |
Well flow rate units |
liters/day |
River bed hydraulic conductivity units |
meters per second |
River bed thickness units |
meters |
3.The next step is to activate the chemistry options. Select Model|PHAST Chemistry Options… Check the Use solute transport checkbox. Uncheck the Use gas phases, Use solid solution, and Use kinetics checkboxes. Click the OK button.
4.Set the Steady Flow options by selecting Model|PHAST Steady Flow… and checking the Steady flow checkbox. Change the Head tolerance to 1E-6 and click the OK button.
5.Select Model|PHAST Free Surface… and check the Use free surface checkbox. Click the OK button to close the dialog box.
