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ANSDIMAT

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ANSDIMAT software
About ANSDIMAT
Main menu
Notation
Main notation
Hydraulic parameters
Special functions
Methods of analysis
Analytical module operation
Data input (Editor)
Table data input
Observation time
Drawdown
Constant rate
Variable rate
Distance to the observation well
Screen level
Well data
Time of recovery measurements
Recovery
Last drawdown
Оbservation well data
Options
Choose conceptual scheme
Test conditions
Diagnostic plot
Plot construction
Choose plot
Select wells
Select time
Plot view
Axis properties
Observation data symbols
Caption and subscription
Basic types of diagnostic graphs
Graphs based on observations in two wells
Some special graphs and graphs of dimensionless parameters
View graphs
Rate plot
Stepwise rate approximation
Viewing data, removing measurements
Saving data
Settings
Aquifer tests analysis
Matching parameters (solving direct problem)
Value assignment
Theoretical curve features
Parameter calculation
Data correction
Graphical analysis
Strait-line method
Slug test
Method of type curve
Search for strait-line segment
Bisecting line method
Inverse problem solution
Less square method
UCODE
Conceptual schemes
Confined aquifer
Infinite aquifer
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
Semiinfinite aquifer
Recharge boundary
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
No-flow boundary
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
Bounded (strip) aquifer
Recharge boundaries
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
No-flow boundaries
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
Recharge and no-flow boundaries
One well pumped at a constant rate
Several wells pumped at a constant rate
One well pumped at a variable rate
Several wells pumped at a variable rate
Point source
Aquifer of infinite extent and thickness
One well pumped at a constant rate
Several wells pumped at a constant rate
Several wells pumped at a variable rate
Semiinfinite aquifer
Recharge boundary
One well pumped at a constant rate
Several wells pumped at a variable rate
No-flow boundary
One well pumped at a constant rate
Several wells pumped at a variable rate
Bounded aquifer
Recharge boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
No-flow boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
Recharge and no-flow boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
Linear source
Aquifer of infinite extent and thickness
One well pumped at a constant rate
Several wells pumped at a variable rate
Semiinfinite aquifer
Recharge boundary
One well pumped at a constant rate
Several wells pumped at a variable rate
No-flow boundary
One well pumped at a constant rate
Several wells pumped at a variable rate
Bounded aquifer
Recharge boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
No-flow boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
Recharge and no-flow boundaries
One well pumped at a constant rate
Several wells pumped at a variable rate
Unconfined aquifer
Aquifer of infinite lateral extent
One well pumped at a constant rate
Bounded aquifers. Several wells pumped at a variable rate
Pumping
Leaky aquifer
Constant level in the adjacent aquifer
Infinite leaky aquifer
One well pumped at a constant rate
Several wells pumped at a variable rate
Bounded leaky aquifer. Several wells pumped at a variable rate
Pumping
Alternating water level in the adjacent aquifer
One well pumped at a constant rate
Several wells pumped at a variable rate
Conceptual scheme accounting for aquitard storage
One well pumped at a constant rate
Several wells pumped at a variable rate
Leaky aquifer anisitropic on the vertical plane
One well pumped at a constant rate
Several wells pumped at a variable rate
Two-layer aquifer
One well pumped at a constant rate
Several wells pumped at a variable rate
Stratified aquifer systems
Three-layer aquifer system
One well pumped at a constant rate
Two-layer aquifer system
One well pumped at a constant rate
Arealy heterogeneous aquifer
One well pumped at a constant rate
Several wells pumped at a variable rate
Pumping near river
One well pumped at a constant rate
Several wells pumped at a variable rate
Sloping aquifer
One well pumped at a constant rate
Fracture-porous media
Moench’s solutions
Vertical fracture
Horizontal fracture
Constant-head test
One well pumped at a constant drawdown
Slug test
Cooper's solution, Picking's solution
Bouwer-Rice's solution
Hvorslev's solutions
AMWELLS
Starting a new model
Modeling environment
Model size and dimensions
Plot scale
Model boundaries
Wells and time measurements
Well system design
Variable production rate
Model parameters
Hydrograph
Piezometric head and drawdown maps
Plot
Distance measure tool
Background maps
Model grid mode
Classes for map
Trace selected range
Animation
3-D View and animation
Plot profiles
Export to ANSDIMAT
Wellhead Protection Areas (WHPA)
Pit dewatering
Pit layout
Dewatering by abstraction wells
Dewatering by in-pit sumps
Pit Inflow
Model
Model creation
Model editing
Graphic editor
Modify values
Parameter selection
Plot construction
Grouping
Measuring distance
Legend creation
Heterogeneity zones (MODFE)
Generate the model grid (MODFE)
Generate the model grid (RADFLOW)
Input parameters
Entering the pumping well
Running MODFE program
Calculation parameters
Time parameters
Running RADFLOW program
Calculation parameters
Viewing results (postprocessor)
Load calculation results
Animation

AMWELLS > Modeling environment >

Piezometric head and drawdown maps

You can create contours (isolines) of piezometric heads or drawdowns based on the AMWELLS modeling results. In WHPA mode contours (isolines) of piezometric heads only are created.

 

button “Groundwater contours” in the Toolbar menu.

 

 

 

Tab "Contours"


Sets up the contours format (color, width, contoured value, labeled contours)


Field "Number"

Defines how many contour lines will be drawn

Button "Clear"

Deletes all contour lines from the map

Button "Insert"

Adds a new contour between the current contour and the next one. The value of the new contour corresponds to the average of its immediate neighbors

Button "Delete"

Deletes the contour line under the mouse cursor

Tab "Values"


Defines contour values, labels and their format


Frame "Values"

Defines minimum and maximum contour values and contour interval

Frame "Recalculation"

Specifies elapsed time (in days) for contours design. Selects between hydraulic head and drawdown contours.

Clicking SHIFT+Left mouse button will launch the dialog for time units conversion.

Clicking CTRL+Left mouse button will open the text box with the highlighted time value converted in different units

Button "Calculate values"

Calculates minimum, maximum and interval values for contouring based on the values entered in the frame "Recalculation"

Frame "Attributes"

Automatic settings for contour and label formats. Formats of individual isolines can be manually edited in the tab "Contours"

Button "Enter lines"

Recalculates the tab "Contours" based on the selected values in the tab "Values"

Tab "Interpolation"


The contour lines are created based on interpolation between pumping wells, observation wells and  additional (virtual) wells. This tab sets virtual wells and launches the interpolation process. Virtual wells are introduced in order to create piezometric maps that are constrained not only by interpolation algorithms but also by hydrodynamic equations at various locations of the aquifer. The approach is important when only few observations or pumping wells exist, so pure mathematical interpolation would result in conceptually unrealistic piezometric table


Frame "Virtual wells"

Specifies quantity of virtual wells that are introduced in the X-direction and the Y-direction. This quantity will impact reliability of predictions, as fewer virtual wells will result in a less conceptually correct piezometric map. On the other hand, a high number of virtual wells will increase simulation time. By default, 21 virtual wells are introduced along the short axis and a proportionally higher number along the long axis

Frames "Virtual well interval" and "Model size"

These fields are only for information and can not be edited. The frame "Virtual well interval" shows a spacing that is calculated by dividing the value in the frame "Model size" on quantity of  virtual wells in the X-direction and the Y-direction

Frame "Number of grid lines for interpolation"

These fields define the grid density for interpolation purposes

Button "Interpolation"

Interpolates existing and virtual observation over the defined interpolation grid. The interpolation is conducted using ordinary kriging method that is incorporated in the CSLIB module

Deutsch C.V., Journel A.G.  GSLIB: Geostatistical Software Library and User's Guide, Oxford University Press, New York, 1992.