#include <FDM/JSBSim/models/FGLGear.h>
#include <FDM/JSBSim/models/FGGroundReactions.h>
#include <FDM/JSBSim/models/FGPropulsion.h>
+#include <FDM/JSBSim/models/FGAccelerations.h>
+#include <FDM/JSBSim/models/atmosphere/FGWinds.h>
#include <FDM/JSBSim/models/propulsion/FGEngine.h>
#include <FDM/JSBSim/models/propulsion/FGPiston.h>
#include <FDM/JSBSim/models/propulsion/FGTurbine.h>
cont = FGColumnVector3( contact[0], contact[1], contact[2] );
return agl;
}
+
+ virtual double GetTerrainGeoCentRadius(double t, const FGLocation& l) const {
+ double loc_cart[3] = { l(eX), l(eY), l(eZ) };
+ double contact[3], normal[3], vel[3], angularVel[3], agl = 0;
+ mInterface->get_agl_ft(t, loc_cart, SG_METER_TO_FEET*2, contact, normal,
+ vel, angularVel, &agl);
+ return sqrt(contact[0]*contact[0]+contact[1]*contact[1]+contact[2]*contact[2]);
+ }
+
+ virtual double GetSeaLevelRadius(const FGLocation& l) const {
+ double seaLevelRadius, latGeoc;
+
+ sgGeodToGeoc(l.GetGeodLatitudeRad(), l.GetGeodAltitude(),
+ &seaLevelRadius, &latGeoc);
+
+ return seaLevelRadius * SG_METER_TO_FEET;
+ }
+
+ virtual void SetTerrainGeoCentRadius(double radius) {}
+ virtual void SetSeaLevelRadius(double radius) {}
private:
FGJSBsim* mInterface;
};
{
bool result;
if( TURBULENCE_TYPE_NAMES.empty() ) {
- TURBULENCE_TYPE_NAMES["ttNone"] = FGAtmosphere::ttNone;
- TURBULENCE_TYPE_NAMES["ttStandard"] = FGAtmosphere::ttStandard;
-// TURBULENCE_TYPE_NAMES["ttBerndt"] = FGAtmosphere::ttBerndt;
- TURBULENCE_TYPE_NAMES["ttCulp"] = FGAtmosphere::ttCulp;
- TURBULENCE_TYPE_NAMES["ttMilspec"] = FGAtmosphere::ttMilspec;
- TURBULENCE_TYPE_NAMES["ttTustin"] = FGAtmosphere::ttTustin;
+ TURBULENCE_TYPE_NAMES["ttNone"] = FGWinds::ttNone;
+ TURBULENCE_TYPE_NAMES["ttStandard"] = FGWinds::ttStandard;
+ TURBULENCE_TYPE_NAMES["ttCulp"] = FGWinds::ttCulp;
+ TURBULENCE_TYPE_NAMES["ttMilspec"] = FGWinds::ttMilspec;
+ TURBULENCE_TYPE_NAMES["ttTustin"] = FGWinds::ttTustin;
}
// Set up the debugging level
fdmex->SetGroundCallback( new FGFSGroundCallback(this) );
Atmosphere = fdmex->GetAtmosphere();
+ Winds = fdmex->GetWinds();
FCS = fdmex->GetFCS();
MassBalance = fdmex->GetMassBalance();
Propulsion = fdmex->GetPropulsion();
Inertial = fdmex->GetInertial();
Aerodynamics = fdmex->GetAerodynamics();
GroundReactions = fdmex->GetGroundReactions();
+ Accelerations = fdmex->GetAccelerations();
fgic=fdmex->GetIC();
needTrim=true;
temperature = fgGetNode("/environment/temperature-degc",true);
pressure = fgGetNode("/environment/pressure-inhg",true);
- density = fgGetNode("/environment/density-slugft3",true);
+ pressureSL = fgGetNode("/environment/pressure-sea-level-inhg",true);
ground_wind = fgGetNode("/environment/config/boundary/entry[0]/wind-speed-kt",true);
turbulence_gain = fgGetNode("/environment/turbulence/magnitude-norm",true);
turbulence_rate = fgGetNode("/environment/turbulence/rate-hz",true);
// init method first.
if (fgGetBool("/environment/params/control-fdm-atmosphere")) {
- Atmosphere->UseExternal();
- Atmosphere->SetExTemperature(
- 9.0/5.0*(temperature->getDoubleValue()+273.15) );
- Atmosphere->SetExPressure(pressure->getDoubleValue()*70.726566);
- Atmosphere->SetExDensity(density->getDoubleValue());
+ Atmosphere->SetTemperature(temperature->getDoubleValue(), get_Altitude(), FGAtmosphere::eCelsius);
+ Atmosphere->SetPressureSL(pressureSL->getDoubleValue(), FGAtmosphere::eInchesHg);
// initialize to no turbulence, these values get set in the update loop
- Atmosphere->SetTurbType(FGAtmosphere::ttNone);
- Atmosphere->SetTurbGain(0.0);
- Atmosphere->SetTurbRate(0.0);
- Atmosphere->SetWindspeed20ft(0.0);
- Atmosphere->SetProbabilityOfExceedence(0.0);
- } else {
- Atmosphere->UseInternal();
+ Winds->SetTurbType(FGWinds::ttNone);
+ Winds->SetTurbGain(0.0);
+ Winds->SetTurbRate(0.0);
+ Winds->SetWindspeed20ft(0.0);
+ Winds->SetProbabilityOfExceedence(0.0);
}
fgic->SetWindNEDFpsIC( -wind_from_north->getDoubleValue(),
-wind_from_east->getDoubleValue(),
-wind_from_down->getDoubleValue() );
- //Atmosphere->SetExTemperature(get_Static_temperature());
- //Atmosphere->SetExPressure(get_Static_pressure());
- //Atmosphere->SetExDensity(get_Density());
- SG_LOG(SG_FLIGHT,SG_INFO,"T,p,rho: " << fdmex->GetAtmosphere()->GetTemperature()
- << ", " << fdmex->GetAtmosphere()->GetPressure()
- << ", " << fdmex->GetAtmosphere()->GetDensity() );
-
-// deprecate egt_degf for egt-degf to have consistent naming
-// TODO: remove this by end of 2011
- for (unsigned int i=0; i < Propulsion->GetNumEngines(); i++) {
- SGPropertyNode * node = fgGetNode("engines/engine", i, true);
- SGPropertyNode * egtn = node->getNode( "egt_degf" );
- if( egtn != NULL ) {
- SG_LOG(SG_FLIGHT,SG_ALERT,
- "Aircraft uses deprecated node egt_degf. Please upgrade to egt-degf");
- node->getNode("egt-degf", true)->alias( egtn );
- }
- }
-// end of egt_degf deprecation patch
+ SG_LOG(SG_FLIGHT,SG_INFO,"T,p,rho: " << Atmosphere->GetTemperature()
+ << ", " << Atmosphere->GetPressure()
+ << ", " << Atmosphere->GetDensity() );
FCS->SetDfPos( ofNorm, globals->get_controls()->get_flaps() );
+ needTrim = startup_trim->getBoolValue();
common_init();
copy_to_JSBsim();
}
}
- if ( startup_trim->getBoolValue() ) {
+ if ( needTrim ) {
FGLocation cart(fgic->GetLongitudeRadIC(), fgic->GetLatitudeRadIC(),
- fgic->GetSeaLevelRadiusFtIC() + fgic->GetAltitudeASLFtIC());
+ get_Sea_level_radius() + fgic->GetAltitudeASLFtIC());
double cart_pos[3], contact[3], d[3], vel[3], agl;
update_ground_cache(cart, cart_pos, 0.01);
get_agl_ft(fdmex->GetSimTime(), cart_pos, SG_METER_TO_FEET*2, contact,
d, vel, d, &agl);
double terrain_alt = sqrt(contact[0]*contact[0] + contact[1]*contact[1]
- + contact[2]*contact[2]) - fgic->GetSeaLevelRadiusFtIC();
+ + contact[2]*contact[2]) - get_Sea_level_radius();
SG_LOG(SG_FLIGHT, SG_INFO, "Ready to trim, terrain elevation is: "
<< terrain_alt * SG_METER_TO_FEET );
} // end FGEngine code block
}
+ Atmosphere->SetTemperature(temperature->getDoubleValue(), get_Altitude(), FGAtmosphere::eCelsius);
+ Atmosphere->SetPressureSL(pressureSL->getDoubleValue(), FGAtmosphere::eInchesHg);
- Propagate->SetSeaLevelRadius( get_Sea_level_radius() );
-
- Atmosphere->SetExTemperature(
- 9.0/5.0*(temperature->getDoubleValue()+273.15) );
- Atmosphere->SetExPressure(pressure->getDoubleValue()*70.726566);
- Atmosphere->SetExDensity(density->getDoubleValue());
-
- Atmosphere->SetTurbType((FGAtmosphere::tType)TURBULENCE_TYPE_NAMES[turbulence_model->getStringValue()]);
- switch( Atmosphere->GetTurbType() ) {
-// case FGAtmosphere::ttBerndt:
- case FGAtmosphere::ttStandard:
- case FGAtmosphere::ttCulp: {
+ Winds->SetTurbType((FGWinds::tType)TURBULENCE_TYPE_NAMES[turbulence_model->getStringValue()]);
+ switch( Winds->GetTurbType() ) {
+ case FGWinds::ttStandard:
+ case FGWinds::ttCulp: {
double tmp = turbulence_gain->getDoubleValue();
- Atmosphere->SetTurbGain(tmp * tmp * 100.0);
- Atmosphere->SetTurbRate(turbulence_rate->getDoubleValue());
+ Winds->SetTurbGain(tmp * tmp * 100.0);
+ Winds->SetTurbRate(turbulence_rate->getDoubleValue());
break;
}
- case FGAtmosphere::ttMilspec:
- case FGAtmosphere::ttTustin: {
+ case FGWinds::ttMilspec:
+ case FGWinds::ttTustin: {
// milspec turbulence: 3=light, 4=moderate, 6=severe turbulence
// turbulence_gain normalized: 0: none, 1/3: light, 2/3: moderate, 3/3: severe
double tmp = turbulence_gain->getDoubleValue();
- Atmosphere->SetProbabilityOfExceedence(
+ Winds->SetProbabilityOfExceedence(
SGMiscd::roundToInt(TurbulenceSeverityTable.GetValue( tmp ) )
);
- Atmosphere->SetWindspeed20ft(ground_wind->getDoubleValue());
+ Winds->SetWindspeed20ft(ground_wind->getDoubleValue());
break;
}
break;
}
- Atmosphere->SetWindNED( -wind_from_north->getDoubleValue(),
- -wind_from_east->getDoubleValue(),
- -wind_from_down->getDoubleValue() );
+ Winds->SetWindNED( -wind_from_north->getDoubleValue(),
+ -wind_from_east->getDoubleValue(),
+ -wind_from_down->getDoubleValue() );
// SG_LOG(SG_FLIGHT,SG_INFO, "Wind NED: "
// << get_V_north_airmass() << ", "
// << get_V_east_airmass() << ", "
MassBalance->GetXYZcg(2),
MassBalance->GetXYZcg(3) );
- _set_Accels_Body( Aircraft->GetBodyAccel(1),
- Aircraft->GetBodyAccel(2),
- Aircraft->GetBodyAccel(3) );
+ _set_Accels_Body( Accelerations->GetBodyAccel(1),
+ Accelerations->GetBodyAccel(2),
+ Accelerations->GetBodyAccel(3) );
- _set_Accels_CG_Body_N ( Aircraft->GetNcg(1),
- Aircraft->GetNcg(2),
- Aircraft->GetNcg(3) );
+ _set_Accels_CG_Body_N ( Auxiliary->GetNcg(1),
+ Auxiliary->GetNcg(2),
+ Auxiliary->GetNcg(3) );
_set_Accels_Pilot_Body( Auxiliary->GetPilotAccel(1),
Auxiliary->GetPilotAccel(2),
Auxiliary->GetPilotAccel(3) );
- _set_Nlf( Aircraft->GetNlf() );
+ _set_Nlf( Auxiliary->GetNlf() );
// Velocities
// Positions of Visual Reference Point
FGLocation l = Auxiliary->GetLocationVRP();
- _updateGeocentricPosition( l.GetLatitude(), l.GetLongitude(),
- l.GetRadius() - get_Sea_level_radius() );
+ _updatePosition(SGGeoc::fromRadFt( l.GetLongitude(), l.GetLatitude(),
+ l.GetRadius() ));
_set_Altitude_AGL( Propagate->GetDistanceAGL() );
{
_set_Gamma_vert_rad( Auxiliary->GetGamma() );
- _set_Earth_position_angle( Inertial->GetEarthPositionAngle() );
+ _set_Earth_position_angle( Propagate->GetEarthPositionAngle() );
_set_Climb_Rate( Propagate->Gethdot() );
void FGJSBsim::set_Latitude(double lat)
{
static SGConstPropertyNode_ptr altitude = fgGetNode("/position/altitude-ft");
- double alt;
+ double alt = altitude->getDoubleValue();
double sea_level_radius_meters, lat_geoc;
- if ( altitude->getDoubleValue() > -9990 )
- alt = altitude->getDoubleValue();
- else
- alt = 0.0;
+ if ( alt < -9990 ) alt = 0.0;
SG_LOG(SG_FLIGHT,SG_INFO,"FGJSBsim::set_Latitude: " << lat );
SG_LOG(SG_FLIGHT,SG_INFO," cur alt (ft) = " << alt );
sgGeodToGeoc( lat, alt * SG_FEET_TO_METER,
&sea_level_radius_meters, &lat_geoc );
- _set_Sea_level_radius( sea_level_radius_meters * SG_METER_TO_FEET );
+
+ double sea_level_radius_ft = sea_level_radius_meters * SG_METER_TO_FEET;
+ _set_Sea_level_radius( sea_level_radius_ft );
if (needTrim) {
- fgic->SetSeaLevelRadiusFtIC( sea_level_radius_meters * SG_METER_TO_FEET );
+ fgic->SetSeaLevelRadiusFtIC( sea_level_radius_ft );
fgic->SetLatitudeRadIC( lat_geoc );
}
- else {
+ else
Propagate->SetLatitude(lat_geoc);
- FGInterface::set_Latitude(lat);
- }
+
+ FGInterface::set_Latitude(lat);
}
if (needTrim)
fgic->SetLongitudeRadIC(lon);
- else {
+ else
Propagate->SetLongitude(lon);
- FGInterface::set_Longitude(lon);
- }
+
+ FGInterface::set_Longitude(lon);
}
// Sets the altitude above sea level.
if (needTrim)
fgic->SetAltitudeASLFtIC(alt);
- else {
+ else
Propagate->SetAltitudeASL(alt);
- FGInterface::set_Altitude(alt);
- }
+
+ FGInterface::set_Altitude(alt);
}
void FGJSBsim::set_V_calibrated_kts(double vc)
if (needTrim)
fgic->SetVcalibratedKtsIC(vc);
else {
- double mach = getMachFromVcas(vc);
+ double p=pressure->getDoubleValue();
+ double psl=fdmex->GetAtmosphere()->GetPressureSL();
+ double rhosl=fdmex->GetAtmosphere()->GetDensitySL();
+ double mach = FGJSBBase::MachFromVcalibrated(vc, p, psl, rhosl);
double temp = 1.8*(temperature->getDoubleValue()+273.15);
double soundSpeed = sqrt(1.4*1716.0*temp);
FGColumnVector3 vUVW = Propagate->GetUVW();
Propagate->SetUVW(1, vUVW(1));
Propagate->SetUVW(2, vUVW(2));
Propagate->SetUVW(3, vUVW(3));
-
- FGInterface::set_V_calibrated_kts(vc);
}
+
+ FGInterface::set_V_calibrated_kts(vc);
}
void FGJSBsim::set_Mach_number(double mach)
Propagate->SetUVW(1, vUVW(1));
Propagate->SetUVW(2, vUVW(2));
Propagate->SetUVW(3, vUVW(3));
-
- FGInterface::set_Mach_number(mach);
}
+
+ FGInterface::set_Mach_number(mach);
}
void FGJSBsim::set_Velocities_Local( double north, double east, double down )
Propagate->SetUVW(1, vUVW(1));
Propagate->SetUVW(2, vUVW(2));
Propagate->SetUVW(3, vUVW(3));
-
- FGInterface::set_Velocities_Local(north, east, down);
}
+
+ FGInterface::set_Velocities_Local(north, east, down);
}
void FGJSBsim::set_Velocities_Wind_Body( double u, double v, double w)
Propagate->SetUVW(1, u);
Propagate->SetUVW(2, v);
Propagate->SetUVW(3, w);
-
- FGInterface::set_Velocities_Wind_Body(u, v, w);
}
+
+ FGInterface::set_Velocities_Wind_Body(u, v, w);
}
//Euler angles
FGMatrix33 Ti2b = Tl2b*Propagate->GetTi2l();
FGQuaternion Qi = Ti2b.GetQuaternion();
Propagate->SetInertialOrientation(Qi);
-
- FGInterface::set_Euler_Angles(phi, theta, psi);
}
+
+ FGInterface::set_Euler_Angles(phi, theta, psi);
}
//Flight Path
Propagate->SetUVW(1, vUVW(1));
Propagate->SetUVW(2, vUVW(2));
Propagate->SetUVW(3, vUVW(3));
-
- FGInterface::set_Climb_Rate(roc);
}
+
+ FGInterface::set_Climb_Rate(roc);
}
}
Propagate->SetUVW(1, vUVW(1));
Propagate->SetUVW(2, vUVW(2));
Propagate->SetUVW(3, vUVW(3));
-
- FGInterface::set_Gamma_vert_rad(gamma);
- }
- }
-}
-// Reverse the VCAS formula to obtain the corresponding Mach number. For subsonic
-// speeds, the reversed formula has a closed form. For supersonic speeds, the
-// formula is reversed by the Newton-Raphson algorithm.
-
-double FGJSBsim::getMachFromVcas(double vcas)
-{
- double p=pressure->getDoubleValue();
- double psl=fdmex->GetAtmosphere()->GetPressureSL();
- double rhosl=fdmex->GetAtmosphere()->GetDensitySL();
-
- double pt = p + psl*(pow(1+vcas*vcas*rhosl/(7.0*psl),3.5)-1);
-
- if (pt/p < 1.89293)
- return sqrt(5.0*(pow(pt/p, 0.2857143) -1)); // Mach < 1
- else {
- // Mach >= 1
- double mach = sqrt(0.77666*pt/p); // Initial guess is based on a quadratic approximation of the Rayleigh formula
- double delta = 1.;
- double target = pt/(166.92158*p);
- int iter = 0;
-
- // Find the root with Newton-Raphson. Since the differential is never zero,
- // the function is monotonic and has only one root with a multiplicity of one.
- // Convergence is certain.
- while (delta > 1E-5 && iter < 10) {
- double m2 = mach*mach; // Mach^2
- double m6 = m2*m2*m2; // Mach^6
- delta = mach*m6/pow(7.0*m2-1.0,2.5) - target;
- double diff = 7.0*m6*(2.0*m2-1)/pow(7.0*m2-1.0,3.5); // Never zero when Mach >= 1
- mach -= delta/diff;
- iter++;
}
- return mach;
+ FGInterface::set_Gamma_vert_rad(gamma);
}
}
<< fgic->GetAltitudeASLFtIC());
SG_LOG(SG_FLIGHT, SG_WARN, "sea level radius = "
- << fgic->GetSeaLevelRadiusFtIC());
+ << get_Sea_level_radius());
SG_LOG(SG_FLIGHT, SG_WARN, "latitude = "
<< fgic->GetLatitudeRadIC());
projects / flightgear.git / blobdiff