OpenFOAM

Thanks Hafijull

SimWorks

SimFlow

OpenFOAM

Thanks rasool

Dear Mohammad amir Khan . The open sources including: OpenFOAM, SU2, Palabos, Fire Dynamics Simulator and MFIX. OpenFOAM is by far the most widely used. See the link: https://www.resolvedanalytics.com/theflux/comparing-cfd-software-part-2-open-source-cfd-software-packages#:~:text=Open%2Dsource%20CFD%20solvers%20are,of%20most%20of%20this%20discussion.

Kindly see also the following useful link: https://www.idealsimulations.com/simworks-free-cfd-software/

Also check please the following good link: https://geekflare.com/best-cfd-analysis-software/

Thanks aref for your help

I use OpenFOAM.