Downloading NATASHA Plus 9.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This tool was originally designed by Fluid Flow Consultants, Inc.
The program lies within Education Tools, more precisely Science Tools. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. Commonly, this program's installer has the following filename: NATASHA.exe. The following version: 9.1 is the most frequently downloaded one by the program users.
From the developer:
The NATASHA series are our Liquid Transients (Surge Analysis, Waterhammer Analysis) programs. NATASHA handles pipeline and network models (1 or more sources, 1 or more sinks and 0 or more loops) of up to 40 pipes. NATASHA PLUS handles pipeline and network models (1 or more sources, 1 or more sinks and 0 or more loops) of up to 250 pipes.
You may want to check out more software, such as BibleNote or Command & Conquer 3: Kane's Wrath, which might be related to NATASHA Plus.