On Thu, 15 Jun 2006 18:08:25 -0500, Jon wrote in message <[EMAIL PROTECTED]>:
> > Hmm, so how would JSBSim model low speed control reversals like > > this? Could it be done in a way that would also be able to model > > transonic control reversals that are caused by shockwaves near the > > control surface hinge? > > > > Josh > > I've got several ideas in mind. One is that the wing could be split up > into sections for tip, aileron, interspan, flap, root. Alpha and > spanwise velocity would be calculated for each section. Then, lateral > effects due to the wing would be calculated. I think that would be > rolling moment due to wing effects, and yawing moment due to wing > effects. It would incorporate rolling moment due to aileron > deflection, roll moment damping, roll due to yaw rate. Maybe other > things as well. On the yaw side: yaw moment due to aileron deflection, > yaw damping, and yaw moment due to roll rate. > > Another idea would be to just add additional incremental aerodynamic > effects based on carefully calculated or "devised" functions or > tables, etc., instead of the "whole" approach given above. > > Another approach might be to detect a stall at a specific wing > location based on some given parameters, then manufacture an > incremental aerodynamic effect based on that. > > There are a lot of ways to do this, but it should be done so as to not > break the existing paradigm, but instead to fit within it. ..another big deal to dig up: Downwash. -- ..med vennlig hilsen = with Kind Regards from Arnt... ;o) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
