1. Download pisoCentralFoam using the link

https://github.com/mkraposhin/pisoCentralFoam

2. Open the folder of openfoam version in which "pisoCentralFoam" to be installed (in this case I used Openfoam 2.4)
3. Open the terminal.
4. source the openfoam installation
source /opt/openfoam240/etc/bashrc
5. ./Allwmake


