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Re: [Jsbsim-devel] Thermal street lift
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From: Simon J. M. <sim...@go...> - 2020-04-15 19:46:43
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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 > _______________________________________________ > > |
