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Educational Tutorials Lab Exercises-
Groundwater Modeling |
INTRO
Lab Exercise
Is an introduction to groundwater flow and transport
modeling using Visual MODFLOW for a typical groundwater
contamination site. This exercise includes defining the
flow solution and interpreting the results (heads, velocities
and pathlines [MODPATH]), defining the mass transport
problem (MT3D and RT3D) and visualizing model input and
output in three dimensions (3D Explorer)
Software requirements: Visual
MODFLOW Premium
|
Defining the model grid |
Assigning particle tracking
using MODPATH |
Viewing flow direction and magnitude in cross-sectio |
Running a transport modeling and viewing results in
cross-section |
3D visualization of various remedial options (pump &
treat) |
To buy this exercise click on
the graphic above, or contact us directly at sws-sales@slb.com |
 |
| Educational Tutorials Lab
Exercises- Groundwater Modeling |
|
CHEMWEST
Lab Exercise
Is an in-depth example of groundwater flow and transport
model design for an actual contaminated site in the
midwestern United States. The laboratory exercise emphasizes
defining model parameter values and boundary conditions
from input data, and model calibration to actual field
data (observation well heads and stream flows). The
lab then defines the groundwater contamination problem
and looks at alternative natural attenuation and pump
and treat remedial options.
Software requirements: Surfer
7 and Visual MODFLOW Premium + MT3D99
|
Interpolating ground surface data using Surfer for use
in Visual MODFLOW |
Importing an AutoCAD dxf file as a basemap into Visual
MODFLOW |
Visual MODFLOW graph showing Calculated Head versus Observed
Head plot |
Viewing geographic distribution of residuals (residual
= calculated?observed), |
3D visualization of contaminants migrating
through subsurface |
To buy this exercise click on
the graphic above, or contact us directly at sws-sales@slb.com |
|
| Educational Tutorials Lab
Exercises- Groundwater Modeling |
|
DEWATER
Lab Exercise
Is an exercise to show the design and optimization
of a groundwater extraction well system for excavation
and other subsurface projects. The lab uses MODFLOW
2000 and ZoneBudget to estimate safe yield from multiple
extraction wells, and Visual MODFLOW to visualize the
drawdown of the groundwater heads around the pumping
well system.
Software requirements: Visual MODFLOW Premium
|
Building the finite difference grid in Visual MODFLOW
|
Assigning a constant head boundary condition |
Viewing simulated head equipotentials |
Assigning pumping well dimensions and pumping schedule
|
Viewing drawdown around pumping wells |
To buy this exercise click on
the graphic above, or contact us directly at sws-sales@slb.com |
|
| Educational Tutorials Lab
Exercises- Groundwater Modeling |
|
SUNRISE
Lab Exercise
Is a simplified example of an actual groundwater
contamination site from a leaky underground storage
tank (UST). This exercise illustrates the efficiency
of Visual MODFLOW to design a simple flow and transport
solution to investigate alternative designs for the
location and pumping rates of a remedial extraction
system.
Software requirements: Visual MODFLOW Premium
|
Define the finite difference model grid |
Defining particles for contaminants migrating from underground
storage
|
Pumping & treat well attempts to capture contaminants
|
Cross-section viewing of particles escaping pumping well
|
Pumping well capturing
all particles |
To buy this exercise click on
the graphic above, or contact us directly at sws-sales@slb.com |
|
| Educational Tutorials Lab
Exercises- Groundwater Modeling |
VALLEY
Lab Exercise
Is an exercise that leads you through the development
and calibration of a simple groundwater flow system using
the automated parameter estimation program PEST. This
exercise illustrates the ease in defining the PEST problem
from within Visual MODFLOW, and the attributes of PEST
output that allow you to identify changes to the groundwater
model that reduce the error associated with calibration.
Software requirements: Visual MODFLOW Premium |
Assigning boundary conditions |
Running the model to calculate the head vs. time plot
- not calibrated |
Selecting model parameter
for automatic optimization/calibration |
Automatic optimization of model parameters for improved
calibration
using WinPEST |
Calibration plot used to determine the quality
of the calibration |
To buy this exercise click on
the graphic above, or contact us directly at sws-sales@slb.com |
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Educational Tutorials Lab Exercises-
Groundwater Modeling
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