Download USER`S MANUAL for WinPEST

Transcript
4
4 - PEST in Visual MODFLOW
The parameter estimization process is now an integral part of the Visual MODFLOW
environment. The Chapter deals with
•
•
•
•
•
•
Assigning Observations to Model Outputs,
Choosing the Parameters to Optimize,
Assigning Prior Information,
Assigning the Objective Function,
Controlling the PEST Run and,
Starting the PEST Run.
Assigning Observations to Model Outputs
Visual MODFLOW allows you to relate observations of head, concentration and flow
to model output values. All observations are input to Visual MODFLOW in the Input
module.
Head and Concentration observations
Head and concentration observations are input in the Wells mode as seen below
When either head or concentration observations are selected from the Wells drop-down
menu, the observation values can be input in the following dialogue. This dialogue can
be accessed whenever observations are being added or edited.
Assigning Observations to Model Outputs
51