Thanks alot @jousefm and @Get_Barried for resolving my issues.
@jousefm perhaps if you or any other member of your team can help me with why i am getting meshing error when i am trying to create a MRF Region to capture the flow around rotating spokes. I will be really grateful 
Sharing link of mesh error - https://www.simscale.com/workbench/?pid=430864919459540414#tab_0-0