"Jon S. Berndt" <jonsber...@comcast.net> wrote:
>> Well, just very few years ago 'we' (TM) had a patch in our budget that
>> would have allowed JSBSim to do excellent simulation of a tire's
>> contact area. Some of us have seen with their own eyes that the guy
>> (the submitter of the respective patch) obviously knows about how to
>> properly deal with the topic.
> Can you give me some more information about the specifics of the patch you
> are talking about? Feel free to contact me via email, if needed. If you are
> referring to the patch I think you are referring to, I certainly agree that
> "the guy" knows what he is doing with respect to the solution of such a
> difficult modeling problem. If I recall correctly (and I'm not certain that
> I do - particularly today because I am home with a really nasty fever and
> cold) there was a lot of additional overhead and infrastructure that was
> needed to make it work, and it was a pretty large alteration of the
> existing JSBSim codebase. I may be recalling the wrong modification.
Well, this matches with my memories about the respective patch - as far
as I can tell there was just this single approach at contributing a
rewrite of the tire/ground reaction feature to JSBSim.
If I summarize correctly then we a) still don't have a single FDM in
FlightGear that does proper simulation of this feature and b) it looks
like major changes are required to get it going.
To put it a bit provoking (no personal offense intended!) for the sake
of getting the status right, this looks to me that we're never going to
have this feature of proper tire/ground reaction simulation in
FlightGear simply because the involved folks prefer to play around with
smaller, 'approximative' workarounds forever instead of biting the
bullet just once. Right ?
Cheers,
Martin.
--
Unix _IS_ user friendly - it's just selective about who its friends are !
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