You might be interested in
http://rainman.astro.uiuc.edu/ddr/st...detrackson.mpg for high mass stars to 80 Sols.
This simulation shows the evolution of 7 high mass stars ranging from 20 to 80 solar masses.
You can do your own sim :
http://rainman.astro.uiuc.edu/ddr/st...ermediate.html