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Checks head-dependent normal flux (3rd type) line boundary, interdomain boundary, confined and unconfined domains This compares two single-level models that both have a confined domain that is 1000 x 1000 units in the x and y directions, specified normal flux...

Checks the Vertical Leakage over Polygon Area tool This model has two levels, one domain in each level.  The domains are circular with radius R = 100 [L].  The specified top flux (recharge) = 0.01 [L^2/T].  So the total vertical flux into the top of the model...

Checks multi-level flow, partially-penetrating multi-level well, transient flow, spatially-variable area sinks (SVAS) This is a model of a pumping test in a thick, stratified aquifer in northern California.  It has been modified slightly (no unconfined layer ...

Checks 3D pathline tracing This is a model of flow in the X direction in an unconfined, steady, single layer model with uniform recharge at the top.  There are two domains, both with horizontal K = 50 and a uniform recharge of 0.004566.  The left side (x<2500...

Building a single-layer heterogeneous, anisotropic model with various boundary conditions Introduction This first tutorial will introduce you to Anaqsim’s user interface and walk you through building a single-layer steady flow model with a variety of boundar...

Building a multi-layer heterogeneous, anisotropic model with various boundary conditions Introduction This second tutorial builds on the model created in the first tutorial.  The first tutorial model was two-dimensional and steady, but this second tutorial w...

64-bit Windows operating system. At least 500 MB of available disk space. At least 1 GB memory.  More memory is needed for larger problems and most users have 8+ Gb. Microsoft .NET v 4.8 or higher.

Anaqsim can be downloaded from the www.anaqsim.com website.  The downloaded file is a Windows Installer package (.msi) file. To start the installer, run or double-click on the  downloaded file.  The installer guides you through a typical installation process. ...

Anaqsim by default installs in 'Un-licensed' mode which cannot be used to solve models, but can be used to view and analyse results from models already solved using a licensed version of Anaqsim.   The implementation of licenses has been changed from October ...