Sounds like fg is ready to be a road sim then! On Fri, 30 Nov 2007 9:18 pm, Jon S. Berndt wrote: > I think it's worth pointing out that in FlightGear cvs we have models > of a jeep and of a snowplow (truck). The dynamics are based on YAsim > and the wheel/suspension modeling seems to work really well. I was > actually very impressed at the sorts of things that YAsim does ... Andy > cooked a little bit of physics magic in there some how! Things I > notice when playing around with the snowplow: > > - The suspension at each tire is modeled independently. > > - The suspension reacts to surface properties ... like smooth pavement, > rougher grass, etc. > > - If you drive into a lake or ocean you sink. > > - If you drive off a bridge you dive end over end pretty realistically. > > - When you corner, the individual suspension elements seem to react > correctly. The front outside tire seems to dig in as you turn sharper > and sharper. > > - As you corner more and more sharply, you need more power to maintain > the same speed. > > - If you turn too sharply, you can actually roll the vehicle ... and > visually, it looks very realistic. > > - The vehicle reacts to wind. > > - There is great interaction between the larger vehicle/body dynamics, > the individual suspension components, and the surface. The vehicle > reacts correctly to slopes and change in terrain. I caught > > Sounds like a good topic for a technical paper. The next AIAA Modeling > and Sim conference is in Honolulu. > > J > > Jon >
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