On 4/11/2012 7:41 AM, charles green wrote: > dC::deviation from concentricity > dL::deviation fron longitudinal position (tool length) > dA::tolerance range of cone mating angle > dA/dt::cone wear factor > Tg::load torque applied normal to cone (rotation) axis (taper guage > line=center of torque?) > P::load (Pressure, tension) along (cone) axis of rotation > TT (bold letter T)::vector representing specific cutter geometry/material > M::(vector?) machinablity figure of merit for billet, given cutter material > of TT > S::rotation rate around cone axis > > alot of video games incorporate a physics model basis for the coordinated > movements of player avatars. perhaps the tangible world of substantial stuff > made of atoms is just not cost effective to precisely simulate. > > > --- On Mon, 4/9/12, Kent A. Reed<knbr...@erols.com> wrote: > >> <...deleted a longish trail of email messages from Charles Green, Viesturs >> Lācis and me> >>
Sorry, Charles, I should have looked up-thread to see what you originally asked. I was responding to a specific point in Viesturs' reply which of course I chose to interpret in my own snarky way. I believe wholeheartedly in computational engineering and science. In my professional career I have written a number of substantial computer programs which today would be classified as "modeling and simulation" but which in the day were simply "codes". They ranged from the domain of the very small---detailed physics involved in inter-molecular collisions in rarified high-temperature gases in order better to understand energy transport and transfer---to the domain of the very large---detailed analysis of the reflected solar-energy distributions from hundreds of individually controlled heliostats spread out over acres at the Solar Thermal Test Facility in Albuquerque in order to understand and possibly improve the flux distribution along the central receiver (this in the 1970s, before "drill, baby, drill" became our mantra). The list goes on. I also know something of metallurgical tribology (the study of interacting surfaces in relative motion) and I know people who have made substantial contributions to the art. Modeling and simulation in conjunction with sophisticated experiments to gather needed data and verify results have moved the field smartly forward in the past 30 years. I wasn't questioning the value of modeling the behavior of tapers in sockets. I was doubting that the existing systems of standardized industrial tapers for machine tools are based on modeling, sophisticated or otherwise. I'd love to look at some of the original patents to see what they say. I'll have to add that to my first-in-never-out (FINO) stack of things to do:-) Regards, Kent ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
