OpenFOAM is a free-to-use Open Source numerical simulation software with extensive CFD and multi-physics capabilities

OpenFOAM stands for Open Field Operation and Manipulation

OpenFOAM is first and foremost a C++ library used to solve partial differential equations (PDEs), and ordinary differential equations (ODEs)

It comes with several ready-to-use or out-of-box solvers, pre-processing utilities and post-processing utilities and supports parallel computing.

It is licensed under the GNU General Public License (GPL). That means it is freely available and distributed with the source code

Gas turbine

Diesel engine

Pulverized coal combustion