Just a little teaser about what I'm currently working on.
I've been studying CFD about a year now and due to my work I have access to CFD programs. At the moment results are promising. Errors in Cd are less than 5 %.
cool!
what I need are parametrizations of 6dof coefficients for boat tail bullets. No other projectiles.
http://en.wikipedia.org/wiki/Buckingham_%CF%80_theorem