• ANSDIMAT software
    • About ANSDIMAT
  • Main menu
    • Aquifer Test Analysis
    • Analytical models
    • Numerical models
    • Hydrogeologist workbench
  • Notation, special functions, methods
    • Main notation
    • Hydraulic parameters
    • Special functions
    • Methods of analysis
  • ANSDIMAT+
    • Data input (Editor)
      • Table data input
        • Time (pumping)
        • Drawdown
        • Constant rate
        • Variable rate
        • Distance to observation well
        • Screen level
        • Well design
        • Time (recovery)
        • Recovery
        • Last drawdown
        • t-s auxillary table
      • Options
      • Data loading
      • Well coordinates
    • Wizard
      • Pumping wells
      • Observation wells
      • Distances
      • Finish
    • Choose conceptual model
    • 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
      • Plots based on observations in two wells
      • Some special graphs and graphs of dimensionless parameters
      • View plots
      • Pumping 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
        • Recalculation of parameters
        • Unsaturated zone (for Moench solution in unconfined aquifer)
        • Partially penetrating well in two-layer confined aquifer
        • Impact of river stage fluctuations
        • Configurator
        • Data correction
      • Graphical analysis
        • Straight-line method
          • Slug test
        • Method of type curve
        • Search for strait-line segment
      • Bisecting line method
      • Drawdown - Function
      • Inverse problem solution
        • Least square method
        • UCODE
      • Determination of well efficiency
      • Determination of recharge
    • Saving data and results
      • Saving and loading plots
      • Saving history of analysis
      • Export in EXCEL
      • Report
  • Conceptual models
    • 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 with time-variable pumping rates
      • Semi-infinite 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 with time-variable pumping rates
        • 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 with time-variable pumping rates
      • 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 with time-variable pumping rates
        • 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 with time-variable pumping rates
        • 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 with time-variable pumping rates
      • Wedge-shaped aquifer
        • Recharge boundaries
        • No-flow boundaries
        • Recharge and no-flow boundaries
      • U-shaped aquifer
        • Recharge boundaries
        • Recharge + recharge and no-flow boundaries
        • No-flow + no-flow and recharge boundaries
        • No-flow boundaries
        • Recharge + no-flow and recharge boundaries
        • Recharge + no-flow and no-flow boundaries
    • Point source
      • Aquifer of infinite extent and thickness
        • One well pumped at a constant rate
        • Several wells pumped at a constant rate
        • Several wells with time-variable pumping rates
      • Semi-infinite aquifer
        • Recharge boundary
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • No-flow boundary
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
      • Bounded aquifer
        • Recharge boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • No-flow boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • Recharge and no-flow boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
    • Linear source
      • Aquifer of infinite extent and thickness
        • One well pumped at a constant rate
        • Several wells with time-variable pumping rates
      • Semi-infinite aquifer
        • Recharge boundary
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • No-flow boundary
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
      • Bounded aquifer
        • Recharge boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • No-flow boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • Recharge and no-flow boundaries
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
      • Aquifer bounded in the horizontal plane and thickness
        • Semi-infinite aquifer
          • Pumping
        • Strip aquifer
          • Pumping
    • Unconfined aquifer
      • Aquifer of infinite lateral extent
        • One well pumped at a constant rate
      • Bounded aquifers. Several wells with time-variable pumping rates
        • Pumping
    • Leaky aquifer
      • Constant level in the adjacent aquifer
        • Infinite leaky aquifer
          • One well pumped at a constant rate
          • Several wells with time-variable pumping rates
        • Bounded leaky aquifer. Several wells with time-variable pumping rates
          • Pumping
      • Alternating water level in the adjacent aquifer
        • One well pumped at a constant rate
        • Several wells with time-variable pumping rates
      • Conceptual model accounting for aquitard storage
        • One well pumped at a constant rate
        • Several wells with time-variable pumping rates
      • Leaky aquifer anisitropic on the vertical plane
        • One well pumped at a constant rate
        • Several wells with time-variable pumping rates
    • Two-layer aquifer
      • One well pumped at a constant rate
      • Several wells with time-variable pumping rates
    • 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
    • Multilayered systems (pumping from up to 5 aquifers)
      • System of infinite lateral extent
      • Bounded systems. Several wells with time-variable pumping rates
    • Areally heterogeneous aquifer
      • Aquifer with linear boundary between the two zones
        • One well pumped at a constant rate
        • Several wells with time-variable pumping rates
      • Radially heterogeneous aquifer
        • One well pumped at a constant rate_2
    • Pumping near river
      • One well pumped at a constant rate
      • Several wells with time-variable pumping rates
    • Sloping aquifer
      • One well pumped at a constant rate
    • Fracture-porous media
      • Moench’s solutions
      • Vertical fracture
      • Horizontal fracture
    • Horizontal pumping wells
      • Confined aquifer
      • Unconfined aquifer
      • Leaky aquifer
    • Constant-head test
      • One well pumped at a constant drawdown
    • Slug test
      • Cooper's solution, Picking's solution
      • Solutions for slug tests with skin effect
      • Bouwer-Rice's solution
      • Hvorslev's solutions
      • Fissured aquifer
      • Partially penetrating well
      • Sageev's solution
      • Dougherty-Babu's solution
    • Groundwater response to stream-stage variation
      • Problem 1
      • Problem 2 (Solutions of Barlow and Moench)
  • Analytical modeling (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
        • Heterogeneous stratified aquifer
    • Vertical wells with constant drawdown
  • Numerical modeling (ANSRADIAL)
    • Model design
    • 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
      • Solver parameters
      • Time parameters
    • Running RADFLOW program
      • Solver parameters
    • Viewing results (postprocessor)
      • Load calculation results
      • Animation
  • Hydrogeologist workbench (ANSQUICK)
    • Drawdown during aquifer tests
      • Confined infinite aquifer
      • Unconfined aquifer
      • Leaky aquifer
        • Constant level in the adjacent aquifer
        • Variable level in adjacent aquifer
        • Leaky aquifer (with aquitard capacity)
        • Pumping from two aquifers
        • Pumping from two aquifers: two pumping wells
      • Two-layer aquifer
      • Linear source
      • Multilayered systems
      • Aquifers and aquicludes
      • Semi-infinite aquifer
      • Strip aquifer
      • Rectangular aquifer
      • Circular aquifer
      • Constant-head test
      • Steady-state solutions
        • Pumping test near the river
        • Dipole flow tests
        • Circular aquifer
        • Areally heterogeneous aquifer
    • Determination of well efficiency
    • Slug tests
    • Lugeon tests
    • Infiltrometer tests in the unsaturated zone
    • Inflow
      • Inflow to an open pit
      • Drain holes
      • Trench
    • Stream-aquifer interactions
    • Groundwater mound
      • Local infiltration
      • Circular aquifer
      • Strip aquifer
      • Recharge
    • Radius of influence
    • Estimation of parameters
      • Transmissivity, storativity
      • Leakage factor
      • Wellbore storage, skin
  • Help
    • Parameters
    • Functions
    • Coordinates
    • Unit converter (Part 1)
      • Hydraulic conductivity
      • Transmissivity
      • Permeability
      • Pumping/injection rate
      • Pressure
      • Density
      • Viscosity
      • Temperature
    • Unit converter (Part 2)
      • Time
      • Length
      • Area
      • Volume
      • Mass