# Caelus Documentation¶

Version: | 9.04 |
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Date: | Jul 18, 2019 |

Caelus is a software library suitable for numerical simulations of problems in Continuum Mechanics (CM), with many applications in Computational Fluid Dynamics (CFD) for a wide range of scientific and engineering applications across commercial and academic environments. Caelus was forked from OpenFOAM®, version 2.1.1 released by OpenFOAM® Foundation which is mainly a collection of libraries written in C++. Caelus is developed and maintained by Applied CCM Pty Ltd.

Being a derivative of OpenFOAM®, it is released under the GPL. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. See the GNU General Public License for more details.

This documentation is split into three parts: a tutorial, a theory and a validation manual. New users should start with the tutorial manual that provides examples of usage.