Demo
Basic Model
Single Injection Well with regional flow and boundary particles
Single Extraction Well with regional flow and boundary particles
Doublet with no regional flow
Doublet with regional flow
Doublet with regional flow and boundary particles
User Interface Tutorial
Solution Tutorial
Degrees
Aquifer
Prop.
Reg. Flow:
Porosity:
Thickness:
X
Y
Vel. X
Vel. Y
Well
Particle
Insert Well
Insert Part.
Remove Well
Remove Part.
Compute
Refresh
Options
Plot Options
Tracking Options
Particle Options
Contour Options
Clear All
Total Q INJ:
0
Total Q EXT:
0
Developed by G. Hammond, J. Decker, P. Zhou, A. Valocchi, C. Werth & D. Agarwal — Dept. of Civil & Environmental Engineering, University of Illinois Urbana-Champaign — © 2026
Tracking Options
Time Step Length
Number of Time Steps
Autoscale TS Length
Maximum Pixel Distance
No Contouring
Fixed Incremental Contouring
Time Increment =
Contouring with Specific Times
at Time 1 =
at Time 2 =
at Time 3 =
at Time 4 =
OK
Cancel
Particle Options
Use Polyline
Use Point
Particle Spacing
Color
Shape
Filled Circle
Circle
Filled Square
Square
Filled Triangle
Triangle
Cross
Size
3
5
7
9
11
13
15
OK
Cancel
Contour Options
Show Head Contours
Number of Contours
Grid Density
Fine (5px)
Medium (10px)
Coarse (25px)
OK
Cancel
Plot Options
Max. X
Min. X
Max. Y
Min. Y
OK
Compute Max Y
Cancel
Well Attributes
X
Y
Pumping Rate (Q)
Num. Particles (injection only)
Particle Start Angle (deg)
Well Symbol
Color
Shape
Filled Circle
Circle
Filled Square
Square
Filled Triangle
Triangle
Cross
Size
3
5
7
9
11
13
15
Particle Symbol
Color
Shape
Filled Circle
Circle
Filled Square
Square
Filled Triangle
Triangle
Cross
Size
3
5
7
9
11
13
15
OK
Cancel
Particle Information
X
Y
Color
Shape
Filled Circle
Circle
Filled Square
Square
Filled Triangle
Triangle
Cross
Size
3
5
7
9
11
13
15
OK
Cancel
Background Color
Color
OK
Cancel