There was a download of HYDRUS-2D 2.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The latest version of the software can be downloaded for PCs running Windows XP/7/8/10/11, 32-bit. This free software is an intellectual property of NetGenium. The program's installer file is commonly found as HYDRUS2D.EXE. The most popular version of the tool is 2.0. HYDRUS-2D is categorized as Education Tools.
From the developer:
Hydrus-2D is a Microsoft Windows based modeling environment for analysis of water flow and solute transport in variably saturated porous media.
The software package includes the two-dimensional finite element model HYDRUS2 for simulating the movement of water, heat, and multiple solutes in variably saturated media.
You may want to check out more software, such as MemBrain, roboBASIC or Virtual Moon Atlas Pro, which might be related to HYDRUS-2D.