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Re: [Jsbsim-devel] Thermal street lift
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From: Simon J. M. <sim...@go...> - 2020-04-15 19:58:31
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total-wind-down-fps remains zero.... Can I ask how I get this functioning ? Simon On Wed, 15 Apr 2020, 20:46 Simon Julie Morley, <sim...@go...> wrote: > It works fine in FG, struggling to get it working in Outerra.... > > Total wind remains zero.... Even if we adjust the down wind.... > > How can we be sure it's turned on ? > > On Wed, 15 Apr 2020, 20:12 Sean McLeod, <se...@se...> wrote: > >> Simon you mention: >> >> >> >> *no luck getting any turbulent effects....* >> >> >> >> But in your video when you switched on turbulence you did see turbulence >> effects. But it seemed you couldn’t see the effect of the wind updraft? >> >> >> >> From a recent comment Bertrand made on a github issue - >> https://github.com/JSBSim-Team/jsbsim/issues/272 >> >> >> >> “Be aware that turbulence is supposed to be added to a global wind” >> >> >> >> So, depending on the magnitude of the turbulence relative to your updraft >> it may be difficult to see both independently? >> >> >> >> Cheers >> >> >> >> *From:* Dave Culp <dav...@co...> >> *Sent:* Wednesday, April 15, 2020 7:32 PM >> *To:* Simon Julie Morley via Jsbsim-devel < >> jsb...@li...> >> *Subject:* Re: [Jsbsim-devel] Thermal street lift >> >> >> >> Now I'm confused. Do you want uplift or turbulence? Both? Is >> FlightGear involved in any way here? >> >> Dave >> >> >> >> On 4/15/20 4:14 AM, Simon Julie Morley via Jsbsim-devel wrote: >> >> Guys we're still trying to implement this into Outerra and we're having >> no luck getting any turbulent effects.... >> >> >> >> Any ideas ? >> >> >> >> Simon >> >> >> >> On Mon, 13 Apr 2020, 13:30 Simon Julie Morley, < >> sim...@go...> wrote: >> >> Ah I think this is another one of those issues that FG throws into >> JSBsim... >> >> >> >> Even if I turn turbulence to none the wind-down-fps property is still >> being updated to near enough zero by what looks to be FG ridge lift code. >> >> >> >> I wonder if I can turn FG ridge lift off.. >> >> >> >> On Mon, 13 Apr 2020, 12:53 Sean McLeod, <se...@se...> wrote: >> >> Hi >> >> >> >> Okay so in the video you enable turbulence, which is going to add some >> semi-random values to the wind vector. >> >> >> >> So can you confirm that if you don’t enable turbulence, but rather simply >> set atmosphere/wind-down-fps that you don’t see the expected result? >> >> >> >> Cheers >> >> >> >> *From:* Simon Julie Morley via Jsbsim-devel < >> jsb...@li...> >> *Sent:* Monday, April 13, 2020 1:01 PM >> *To:* Development issues <Jsb...@li...> >> *Cc:* Simon Julie Morley <sim...@go...> >> *Subject:* Re: [Jsbsim-devel] Thermal street lift >> >> >> >> Hopefully this video my explain better >> >> >> >> https://photos.app.goo.gl/GqTXFuZ6NZsJ4zRD7 >> >> >> >> Regards >> >> >> >> Simon >> >> >> >> On Mon, 13 Apr 2020, 11:35 Sean McLeod, <se...@se...> wrote: >> >> Hi Simon >> >> >> >> Shouldn’t be according to the comments in the source code. Maybe there is >> some other code you have that is resetting the wind? >> >> >> >> // User-specified steady, constant, wind properties (local >> navigational/geographic frame: N-E-D) >> >> PropertyManager->Tie("atmosphere/psiw-rad", this, &FGWinds::GetWindPsi, >> &FGWinds::SetWindPsi); >> >> PropertyManager->Tie("atmosphere/wind-north-fps", this, eNorth, (PMF)& >> FGWinds::GetWindNED, >> >> (PMFd)&FGWinds >> ::SetWindNED); >> >> PropertyManager->Tie("atmosphere/wind-east-fps", this, eEast, (PMF)& >> FGWinds::GetWindNED, >> >> (PMFd)&FGWinds >> ::SetWindNED); >> >> PropertyManager->Tie("atmosphere/wind-down-fps", this, eDown, (PMF)& >> FGWinds::GetWindNED, >> >> (PMFd)&FGWinds >> ::SetWindNED); >> >> PropertyManager->Tie("atmosphere/wind-mag-fps", this, &FGWinds >> ::GetWindspeed, >> >> &FGWinds >> ::SetWindspeed); >> >> >> >> Cheers >> >> >> >> *From:* Simon Julie Morley via Jsbsim-devel < >> jsb...@li...> >> *Sent:* Monday, April 13, 2020 11:57 AM >> *To:* Development issues <Jsb...@li...> >> *Cc:* Simon Julie Morley <sim...@go...> >> *Subject:* Re: [Jsbsim-devel] Thermal street lift >> >> >> >> Problem is that seems to be a JSBsim calculated value..... So you can't >> change this property, as it's gone as quick as you set it. >> >> >> >> On Mon, 13 Apr 2020, 06:45 Dave Culp, <dav...@co...> wrote: >> >> atmosphere/wind-down-fps >> >> I believe an updraft would be a negative value. >> >> >> >> -- Dave >> >> >> >> On 4/12/20 10:28 PM, Simon Julie Morley via Jsbsim-devel wrote: >> >> Hi guys, >> >> >> >> I believe what I'm looking to adjust is within the atmosphere properties >> but I don't know which one I'd adjust to generate a constant thermal lift >> of say 3ft sec >> >> >> >> Any help would be appreciated >> >> >> >> Regards >> >> >> >> Simon. >> >> >> >> _______________________________________________ >> >> Jsbsim-devel mailing list >> >> Jsb...@li... >> >> https://lists.sourceforge.net/lists/listinfo/jsbsim-devel >> >> _______________________________________________ >> >> The JSBSim Flight Dynamics Model project >> >> http://www.JSBSim.org >> >> _______________________________________________ >> >> >> >> _______________________________________________ >> Jsbsim-devel mailing list >> Jsb...@li... >> https://lists.sourceforge.net/lists/listinfo/jsbsim-devel >> _______________________________________________ >> The JSBSim Flight Dynamics Model project >> http://www.JSBSim.org >> _______________________________________________ >> >> _______________________________________________ >> Jsbsim-devel mailing list >> Jsb...@li... >> https://lists.sourceforge.net/lists/listinfo/jsbsim-devel >> _______________________________________________ >> The JSBSim Flight Dynamics Model project >> http://www.JSBSim.org >> _______________________________________________ >> >> >> >> >> _______________________________________________ >> >> Jsbsim-devel mailing list >> >> Jsb...@li... >> >> https://lists.sourceforge.net/lists/listinfo/jsbsim-devel >> >> _______________________________________________ >> >> The JSBSim Flight Dynamics Model project >> >> http://www.JSBSim.org >> >> _______________________________________________ >> >> >> >> _______________________________________________ >> Jsbsim-devel mailing list >> Jsb...@li... >> https://lists.sourceforge.net/lists/listinfo/jsbsim-devel >> _______________________________________________ >> The JSBSim Flight Dynamics Model project >> http://www.JSBSim.org >> _______________________________________________ >> >> |
