OpenFOAM

OpenFOAM is a highly extensible CFD toolbox used for simulating complex fluid flows, including turbulent flows, heat transfer, and multiphase systems. It is widely adopted in automotive, aerospace, and energy sectors for its accuracy and flexibility. OpenFOAM supports parallel computing for large-scale simulations and offers a wide range of solvers and utilities. Its open-source nature allows users to modify and extend its capabilities, making it a favorite among researchers and engineers.