When drilling a thick peace of steel I noticed the drill bit would cut through much faster when it was cool. The difference was minutes versus seconds! Is this a known phenomena in machining or was my drill bit simply contaminated with something or maybe other factors played a role? I've heard...
A little simulation...
I think the problem here is that this is an example of nonlinear system. What you are looking for is called analytical solution(closed form expression). Nonlinear systems rarely have them, unless it's for special case or if it fits nicely into some other function. It may...