If the following link does not come up, try opening the link in a new window by right clicking your mouse on the link. There is small glitch during the window 13.15 mins to 15.5 minutes into the video due to technical problems while my talk was being broadcast live to many Universities (I do not know how many?). Why Study CFD ? Part of a 5-day course on CFD delivered in Chennai, India during the summer of 2011