-/*******************************************************************************
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Header: FGAtmosphere.h
Author: Jon Berndt
HISTORY
--------------------------------------------------------------------------------
11/24/98 JSB Created
-07/23/99 TP Added implementation of 1959 Standard Atmosphere
- Moved calculation of Mach number to FGTranslation
-
+07/23/99 TP Added implementation of 1959 Standard Atmosphere
+ Moved calculation of Mach number to FGPropagate
+ Updated to '76 model
-********************************************************************************
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
SENTRY
-*******************************************************************************/
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#ifndef FGAtmosphere_H
#define FGAtmosphere_H
-/*******************************************************************************
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
INCLUDES
-*******************************************************************************/
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
#include "FGModel.h"
-#include "FGMatrix33.h"
#include "FGColumnVector3.h"
-#include "FGColumnVector4.h"
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
DEFINITIONS
FORWARD DECLARATIONS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
-/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-COMMENTS, REFERENCES, and NOTES [use "class documentation" below for API docs]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-[1] Anderson, John D. "Introduction to Flight, Third Edition", McGraw-Hill,
- 1989, ISBN 0-07-001641-0
+namespace JSBSim {
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DOCUMENTATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
/** Models the standard atmosphere.
@author Tony Peden, Jon Berndt
@version $Id$
+ @see Anderson, John D. "Introduction to Flight, Third Edition", McGraw-Hill,
+ 1989, ISBN 0-07-001641-0
*/
-/******************************************************************************
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DECLARATION
-*******************************************************************************/
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
class FGAtmosphere : public FGModel {
public:
bool InitModel(void);
/// Returns the temperature in degrees Rankine.
- inline double 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 double GetDensity(void) {return density;}
+ inline double GetDensity(void) const {return *density;}
/// Returns the pressure in psf.
- inline double GetPressure(void) {return pressure;}
+ inline double GetPressure(void) const {return *pressure;}
+ /// Returns the pressure at an arbitrary altitude in psf
+ double GetPressure(double alt);
/// Returns the speed of sound in ft/sec.
- inline double GetSoundSpeed(void) {return soundspeed;}
+ inline double GetSoundSpeed(void) const {return soundspeed;}
/// Returns the sea level temperature in degrees Rankine.
- inline double GetTemperatureSL(void) { return SLtemperature; }
+ inline double GetTemperatureSL(void) const { return SLtemperature; }
/// Returns the sea level density in slugs/ft^3
- inline double GetDensitySL(void) { return SLdensity; }
+ inline double GetDensitySL(void) const { return SLdensity; }
/// Returns the sea level pressure in psf.
- inline double GetPressureSL(void) { return SLpressure; }
+ inline double GetPressureSL(void) const { return SLpressure; }
/// Returns the sea level speed of sound in ft/sec.
- inline double GetSoundSpeedSL(void) { return SLsoundspeed; }
+ inline double GetSoundSpeedSL(void) const { return SLsoundspeed; }
/// Returns the ratio of at-altitude temperature over the sea level value.
- inline double 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 double 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 double 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 double 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 pressure.
inline void SetExPressure(double p) { exPressure=p; }
+ /// Sets the temperature deviation at sea-level in degrees Fahrenheit
+ inline void SetSLTempDev(double d) { T_dev_sl = d; }
+ /// Gets the temperature deviation at sea-level in degrees Fahrenheit
+ inline double GetSLTempDev(void) const { return T_dev_sl; }
+ /// Sets the current delta-T in degrees Fahrenheit
+ inline void SetDeltaT(double d) { delta_T = d; }
+ /// Gets the current delta-T in degrees Fahrenheit
+ inline double GetDeltaT(void) const { return delta_T; }
+ /// Gets the at-altitude temperature deviation in degrees Fahrenheit
+ inline double GetTempDev(void) const { return T_dev; }
+ /// Gets the density altitude in feet
+ inline double GetDensityAltitude(void) const { return density_altitude; }
+
/// Sets the wind components in NED frame.
inline void SetWindNED(double wN, double wE, double wD) { vWindNED(1)=wN; vWindNED(2)=wE; vWindNED(3)=wD;}
/** Retrieves the wind direction. The direction is defined as north=0 and
increases counterclockwise. The wind heading is returned in radians.*/
- inline double GetWindPsi(void) { return psiw; }
+ inline double GetWindPsi(void) const { return psiw; }
inline void SetTurbGain(double tt) {TurbGain = tt;}
+ inline void SetTurbRate(double tt) {TurbRate = tt;}
- inline double GetTurbPQR(int idx) {return vTurbPQR(idx);}
+ inline double GetTurbPQR(int idx) const {return vTurbPQR(idx);}
inline FGColumnVector3& GetTurbPQR(void) {return vTurbPQR;}
-private:
+ void bind(void);
+ void unbind(void);
+
+
+protected:
double rho;
- enum tType {ttBerndt, ttNone} turbType;
+ enum tType {ttStandard, 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 T_dev_sl, T_dev, delta_T, density_altitude;
double MagnitudedAccelDt, MagnitudeAccel, Magnitude;
double TurbGain;
+ double TurbRate;
FGColumnVector3 vDirectiondAccelDt;
FGColumnVector3 vDirectionAccel;
FGColumnVector3 vDirection;
void Calculate(double altitude);
void Turbulence(void);
- void Debug(void);
+ void Debug(int from);
};
-/******************************************************************************/
+} // namespace JSBSim
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#endif
projects / flightgear.git / blobdiff