Re : Re: torque and force computation

Thank you Curtis for your quick answer.
I have seen that YAsim is easier to understand, but it's been a while since i
did mathematics ;)
Well my problem is that i have to use the LaRCsim model... I have access to many
values such as wing surface, aero chord, inertia moments on X, Y and Z, rudder,
elevation and aileron coefficients, max angles for the commands, wind
coordinates, but i really don't know how to mix them all. If anybody feels more
confortable with maths and know what i mean, please feel free to answer. Maybe i
will need more values but which ones ...
Thanks

David


--- Message d'origine ---
> De : "Curtis L. Olson" <[email protected]>
> À : Flight dynamics model discussions <[email protected]>
> Sujet : Re: [Flightgear-flightmodel] torque and force computation
> Date : ven 24 déc 2004 15:01:35 CET
> 
> BONNEVILLE David wrote:
> 
> >Hi people,
> >
> >i'm really new to this list and to FlightGear world.
> >I've just had a look to the code for the LaRCsim model and to the YASim
> model.
> >The second one does compute the torque applied to the yoke (calcForces),
> but
> >not the first one.
> >I need to compute forces (torques) on commands (aileron, rudder, elevator)
> to
> >appy them on the yoke and the rudder pedal. Does anybody has an idea on how
> to
> >procede ?
> >I've seen the list of the public variables from LaRCsim but i have no idea
> how
> >i could compute the same torque. If anybody has an idea, i'm ready to
> consider
> >all of them ;-)
> >Any help is welcome.
> >Thanks
> >  
> >
> 
> David,
> 
> If you are building a new aircraft, you probably want to look primarily 
> at JSBSim or YAsim.  YAsim is easier for non-aero-engineer-phd's to get 
> something pretty good up and flying.  JSBSim is good for those that need 
> fine grained control over exact flight behavior (and there are tools in 
> development that work with JSBSim to ease the process of creating the 
> config file.)  I wasn't aware that YAsim computed control loading 
> forces, but that's great if it does.  I don't think that JSBSim computes 
> these at the moment.
> 
> Regards,
> 
> Curt.
> 
> -- 
> Curtis Olson        http://www.flightgear.org/~curt 
> HumanFIRST Program  http://www.humanfirst.umn.edu/
> FlightGear Project  http://www.flightgear.org
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> 
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