1. Go into nuclear_room_simplefoam folder and give ./Allrun command
   (you can change no. of cores to be used for solving simpleFoam, by Default it is kept as a 4)
2. copy the velocity file of final timestamp(nuclear_room_simpleFoam/(final_timestamp)/U) and replace it with nuclear_room_artFoam/0/U
3. give ./Allrun command in nuclear_room_artFoam folder (you can change the number of cores to be here also)
4. use paraFoam command to see the final solution in the air residence time(artFoam).



