11/24/98 JSB Created
07/23/99 TP Added implementation of 1959 Standard Atmosphere
Moved calculation of Mach number to FGTranslation
+ Updated to '76 model
********************************************************************************
/** Models the standard atmosphere.
@author Tony Peden, Jon Berndt
@version $Id$
+ @see <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/jsbsim/JSBSim/FGAtmosphere.h?rev=HEAD&content-type=text/vnd.viewcvs-markup">
+ Header File </a>
+ @see <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/jsbsim/JSBSim/FGAtmosphere.cpp?rev=HEAD&content-type=text/vnd.viewcvs-markup">
+ Source File </a>
*/
/******************************************************************************
@return false if no error */
bool Run(void);
+ bool InitModel(void);
+
/// Returns the temperature in degrees Rankine.
- inline float GetTemperature(void) {return temperature;}
+ inline double GetTemperature(void) const {return *temperature;}
/** Returns the density in slugs/ft^3.
<i>This function may <b>only</b> be used if Run() is called first.</i> */
- inline float GetDensity(void) {return density;}
+ inline double GetDensity(void) const {return *density;}
/// Returns the pressure in psf.
- inline float GetPressure(void) {return pressure;}
+ inline double GetPressure(void) const {return *pressure;}
/// Returns the speed of sound in ft/sec.
- inline float GetSoundSpeed(void) {return soundspeed;}
+ inline double GetSoundSpeed(void) const {return soundspeed;}
/// Returns the sea level temperature in degrees Rankine.
- inline float GetTemperatureSL(void) { return SLtemperature; }
+ inline double GetTemperatureSL(void) const { return SLtemperature; }
/// Returns the sea level density in slugs/ft^3
- inline float GetDensitySL(void) { return SLdensity; }
+ inline double GetDensitySL(void) const { return SLdensity; }
/// Returns the sea level pressure in psf.
- inline float GetPressureSL(void) { return SLpressure; }
+ inline double GetPressureSL(void) const { return SLpressure; }
/// Returns the sea level speed of sound in ft/sec.
- inline float GetSoundSpeedSL(void) { return SLsoundspeed; }
+ inline double GetSoundSpeedSL(void) const { return SLsoundspeed; }
/// Returns the ratio of at-altitude temperature over the sea level value.
- inline float GetTemperatureRatio(void) { return temperature*rSLtemperature; }
+ inline double GetTemperatureRatio(void) const { return (*temperature)*rSLtemperature; }
/// Returns the ratio of at-altitude density over the sea level value.
- inline float GetDensityRatio(void) { return density*rSLdensity; }
+ inline double GetDensityRatio(void) const { return (*density)*rSLdensity; }
/// Returns the ratio of at-altitude pressure over the sea level value.
- inline float GetPressureRatio(void) { return pressure*rSLpressure; }
+ inline double GetPressureRatio(void) const { return (*pressure)*rSLpressure; }
/// Returns the ratio of at-altitude sound speed over the sea level value.
- inline float GetSoundSpeedRatio(void) { return soundspeed*rSLsoundspeed; }
+ inline double GetSoundSpeedRatio(void) const { return soundspeed*rSLsoundspeed; }
/// Tells the simulator to use an externally calculated atmosphere model.
- inline void UseExternal(void) { useExternal=true; }
+ void UseExternal(void);
/// Tells the simulator to use the internal atmosphere model.
- inline void UseInternal(void) { useExternal=false; } //this is the default
+ void UseInternal(void); //this is the default
/// Gets the boolean that tells if the external atmosphere model is being used.
bool External(void) { return useExternal; }
/// Provides the external atmosphere model with an interface to set the temperature.
- inline void SetExTemperature(float t) { exTemperature=t; }
+ inline void SetExTemperature(double t) { exTemperature=t; }
/// Provides the external atmosphere model with an interface to set the density.
- inline void SetExDensity(float d) { exDensity=d; }
+ inline void SetExDensity(double d) { exDensity=d; }
/// Provides the external atmosphere model with an interface to set the pressure.
- inline void SetExPressure(float p) { exPressure=p; }
+ inline void SetExPressure(double p) { exPressure=p; }
/// Sets the wind components in NED frame.
- inline void SetWindNED(float wN, float wE, float wD) { vWindNED(1)=wN; vWindNED(2)=wE; vWindNED(3)=wD;}
+ inline void SetWindNED(double wN, double wE, double wD) { vWindNED(1)=wN; vWindNED(2)=wE; vWindNED(3)=wD;}
/// Retrieves the wind components in NED frame.
inline FGColumnVector3& GetWindNED(void) { return vWindNED; }
/** Retrieves the wind direction. The direction is defined as north=0 and
increases counterclockwise. The wind heading is returned in radians.*/
- inline float GetWindPsi(void) { return psiw; }
+ inline double GetWindPsi(void) const { return psiw; }
+
+ inline void SetTurbGain(double tt) {TurbGain = tt;}
+
+ inline double GetTurbPQR(int idx) const {return vTurbPQR(idx);}
+ inline FGColumnVector3& GetTurbPQR(void) {return vTurbPQR;}
+
+ void bind(void);
+ void unbind(void);
+
private:
double rho;
+ enum tType {ttBerndt, ttNone} turbType;
+
int lastIndex;
double h;
double htab[8];
double SLtemperature,SLdensity,SLpressure,SLsoundspeed;
double rSLtemperature,rSLdensity,rSLpressure,rSLsoundspeed; //reciprocals
- double temperature,density,pressure,soundspeed;
+ double *temperature,*density,*pressure;
+ double soundspeed;
bool useExternal;
double exTemperature,exDensity,exPressure;
+ double intTemperature, intDensity, intPressure;
+ double MagnitudedAccelDt, MagnitudeAccel, Magnitude;
+ double TurbGain;
+ FGColumnVector3 vDirectiondAccelDt;
+ FGColumnVector3 vDirectionAccel;
+ FGColumnVector3 vDirection;
+ FGColumnVector3 vTurbulence;
+ FGColumnVector3 vTurbulenceGrad;
+ FGColumnVector3 vBodyTurbGrad;
+ FGColumnVector3 vTurbPQR;
+
FGColumnVector3 vWindNED;
double psiw;
- void Calculate(float altitude);
- void Debug(void);
+ void Calculate(double altitude);
+ void Turbulence(void);
+ void Debug(int from);
};
/******************************************************************************/
projects / flightgear.git / blobdiff