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JSBSim::FGNozzle Class Reference

Models a rocket nozzle. More...

#include <FGNozzle.h>

Inherits JSBSim::FGThruster.

Public Member Functions

 FGNozzle (FGFDMExec *exec, Element *el, int num=0)
 Constructor.
 
 ~FGNozzle ()
 Destructor.
 
double Calculate (double vacThrust)
 
std::string GetThrusterLabels (int id, const std::string &delimeter)
 
std::string GetThrusterValues (int id, const std::string &delimeter)
 
- Public Member Functions inherited from JSBSim::FGThruster
 FGThruster (FGFDMExec *FDMExec, Element *el, int num)
 Constructor.
 
virtual ~FGThruster ()
 Destructor.
 
void SetName (std::string name)
 
virtual void SetRPM (double rpm)
 
virtual void SetEngineRPM (double rpm)
 
virtual double GetPowerRequired (void)
 
double GetThrust (void) const
 
eType GetType (void)
 
std::string GetName (void)
 
void SetReverserAngle (double angle)
 
double GetReverserAngle (void) const
 
virtual double GetRPM (void) const
 
virtual double GetEngineRPM (void) const
 
double GetGearRatio (void)
 
virtual void ResetToIC (void)
 
- Public Member Functions inherited from JSBSim::FGForce
 FGForce (FGFDMExec *FDMExec)
 Constructor.
 
 FGForce (const FGForce &force)
 
virtual ~FGForce ()
 Destructor.
 
virtual const FGColumnVector3GetBodyForces (void)
 
double GetBodyXForce (void) const
 
double GetBodyYForce (void) const
 
double GetBodyZForce (void) const
 
const FGColumnVector3GetMoments (void) const
 
void SetLocation (double x, double y, double z)
 
void SetActingLocation (double x, double y, double z)
 Acting point of application.
 
void SetLocationX (double x)
 
void SetLocationY (double y)
 
void SetLocationZ (double z)
 
double SetActingLocationX (double x)
 
double SetActingLocationY (double y)
 
double SetActingLocationZ (double z)
 
void SetLocation (const FGColumnVector3 &vv)
 
void SetActingLocation (const FGColumnVector3 &vv)
 
double GetLocationX (void) const
 
double GetLocationY (void) const
 
double GetLocationZ (void) const
 
double GetActingLocationX (void) const
 
double GetActingLocationY (void) const
 
double GetActingLocationZ (void) const
 
const FGColumnVector3GetLocation (void) const
 
const FGColumnVector3GetActingLocation (void) const
 
void SetAnglesToBody (double broll, double bpitch, double byaw)
 
void SetAnglesToBody (const FGColumnVector3 &vv)
 
void UpdateCustomTransformMatrix (void)
 
void SetPitch (double pitch)
 
void SetYaw (double yaw)
 
double GetPitch (void) const
 
double GetYaw (void) const
 
const FGColumnVector3GetAnglesToBody (void) const
 
double GetAnglesToBody (int axis) const
 
void SetTransformType (TransformType ii)
 
TransformType GetTransformType (void) const
 
const FGMatrix33Transform (void) const
 
- Public Member Functions inherited from JSBSim::FGJSBBase
 FGJSBBase ()
 Constructor for FGJSBBase.
 
virtual ~FGJSBBase ()
 Destructor for FGJSBBase.
 
void PutMessage (const Message &msg)
 Places a Message structure on the Message queue.
 
void PutMessage (const std::string &text)
 Creates a message with the given text and places it on the queue.
 
void PutMessage (const std::string &text, bool bVal)
 Creates a message with the given text and boolean value and places it on the queue.
 
void PutMessage (const std::string &text, int iVal)
 Creates a message with the given text and integer value and places it on the queue.
 
void PutMessage (const std::string &text, double dVal)
 Creates a message with the given text and double value and places it on the queue.
 
int SomeMessages (void) const
 Reads the message on the queue (but does not delete it).
 
void ProcessMessage (void)
 Reads the message on the queue and removes it from the queue.
 
MessageProcessNextMessage (void)
 Reads the next message on the queue and removes it from the queue.
 
void disableHighLighting (void)
 Disables highlighting in the console output.
 

Additional Inherited Members

- Public Types inherited from JSBSim::FGThruster
enum  eType { ttNozzle , ttRotor , ttPropeller , ttDirect }
 
- Public Types inherited from JSBSim::FGForce
enum  TransformType { tNone , tWindBody , tLocalBody , tCustom }
 
- Public Types inherited from JSBSim::FGJSBBase
enum  { eL = 1 , eM , eN }
 Moments L, M, N. More...
 
enum  { eP = 1 , eQ , eR }
 Rates P, Q, R. More...
 
enum  { eU = 1 , eV , eW }
 Velocities U, V, W. More...
 
enum  { eX = 1 , eY , eZ }
 Positions X, Y, Z. More...
 
enum  { ePhi = 1 , eTht , ePsi }
 Euler angles Phi, Theta, Psi. More...
 
enum  { eDrag = 1 , eSide , eLift }
 Stability axis forces, Drag, Side force, Lift. More...
 
enum  { eRoll = 1 , ePitch , eYaw }
 Local frame orientation Roll, Pitch, Yaw. More...
 
enum  { eNorth = 1 , eEast , eDown }
 Local frame position North, East, Down. More...
 
enum  { eLat = 1 , eLong , eRad }
 Locations Radius, Latitude, Longitude. More...
 
enum  {
  inNone = 0 , inDegrees , inRadians , inMeters ,
  inFeet
}
 Conversion specifiers. More...
 
static const std::string & GetVersion (void)
 Returns the version number of JSBSim.
 
static constexpr double KelvinToFahrenheit (double kelvin)
 Converts from degrees Kelvin to degrees Fahrenheit.
 
static constexpr double CelsiusToRankine (double celsius)
 Converts from degrees Celsius to degrees Rankine.
 
static constexpr double RankineToCelsius (double rankine)
 Converts from degrees Rankine to degrees Celsius.
 
static constexpr double KelvinToRankine (double kelvin)
 Converts from degrees Kelvin to degrees Rankine.
 
static constexpr double RankineToKelvin (double rankine)
 Converts from degrees Rankine to degrees Kelvin.
 
static constexpr double FahrenheitToCelsius (double fahrenheit)
 Converts from degrees Fahrenheit to degrees Celsius.
 
static constexpr double CelsiusToFahrenheit (double celsius)
 Converts from degrees Celsius to degrees Fahrenheit.
 
static constexpr double CelsiusToKelvin (double celsius)
 Converts from degrees Celsius to degrees Kelvin.
 
static constexpr double KelvinToCelsius (double kelvin)
 Converts from degrees Kelvin to degrees Celsius.
 
static constexpr double FeetToMeters (double measure)
 Converts from feet to meters.
 
static double PitotTotalPressure (double mach, double p)
 Compute the total pressure in front of the Pitot tube.
 
static double MachFromImpactPressure (double qc, double p)
 Compute the Mach number from the differential pressure (qc) and the static pressure.
 
static double VcalibratedFromMach (double mach, double p)
 Calculate the calibrated airspeed from the Mach number.
 
static double MachFromVcalibrated (double vcas, double p)
 Calculate the Mach number from the calibrated airspeed.Based on the formulas in the US Air Force Aircraft Performance Flight Testing Manual (AFFTC-TIH-99-01).
 
static bool EqualToRoundoff (double a, double b)
 Finite precision comparison.
 
static bool EqualToRoundoff (float a, float b)
 Finite precision comparison.
 
static bool EqualToRoundoff (float a, double b)
 Finite precision comparison.
 
static bool EqualToRoundoff (double a, float b)
 Finite precision comparison.
 
static constexpr double Constrain (double min, double value, double max)
 Constrain a value between a minimum and a maximum value.
 
static constexpr double sign (double num)
 
static double GaussianRandomNumber (void)
 
- Public Attributes inherited from JSBSim::FGThruster
struct JSBSim::FGThruster::Inputs in
 
- Static Public Attributes inherited from JSBSim::FGJSBBase
static char highint [5] = {27, '[', '1', 'm', '\0' }
 highlights text
 
static char halfint [5] = {27, '[', '2', 'm', '\0' }
 low intensity text
 
static char normint [6] = {27, '[', '2', '2', 'm', '\0' }
 normal intensity text
 
static char reset [5] = {27, '[', '0', 'm', '\0' }
 resets text properties
 
static char underon [5] = {27, '[', '4', 'm', '\0' }
 underlines text
 
static char underoff [6] = {27, '[', '2', '4', 'm', '\0' }
 underline off
 
static char fgblue [6] = {27, '[', '3', '4', 'm', '\0' }
 blue text
 
static char fgcyan [6] = {27, '[', '3', '6', 'm', '\0' }
 cyan text
 
static char fgred [6] = {27, '[', '3', '1', 'm', '\0' }
 red text
 
static char fggreen [6] = {27, '[', '3', '2', 'm', '\0' }
 green text
 
static char fgdef [6] = {27, '[', '3', '9', 'm', '\0' }
 default text
 
static short debug_lvl = 1
 
static std::string CreateIndexedPropertyName (const std::string &Property, int index)
 
- Protected Attributes inherited from JSBSim::FGThruster
eType Type
 
std::string Name
 
double Thrust
 
double PowerRequired
 
double GearRatio
 
double ThrustCoeff
 
double ReverserAngle
 
int EngineNum
 
- Protected Attributes inherited from JSBSim::FGForce
FGFDMExecfdmex
 
FGMassBalanceMassBalance
 
FGColumnVector3 vFn
 
FGColumnVector3 vMn
 
FGColumnVector3 vOrient
 
TransformType ttype
 
FGColumnVector3 vXYZn
 
FGColumnVector3 vActingXYZn
 
FGMatrix33 mT
 
static Message localMsg
 
static std::queue< MessageMessages
 
static unsigned int messageId = 0
 
static constexpr double radtodeg = 180. / 3.14159265358979323846
 
static constexpr double degtorad = 3.14159265358979323846 / 180.
 
static constexpr double hptoftlbssec = 550.0
 
static constexpr double psftoinhg = 0.014138
 
static constexpr double psftopa = 47.88
 
static constexpr double ktstofps = 1.68781
 
static constexpr double fpstokts = 1.0 / ktstofps
 
static constexpr double inchtoft = 1.0/12.0
 
static constexpr double fttom = 0.3048
 
static constexpr double m3toft3 = 1.0/(fttom*fttom*fttom)
 
static constexpr double in3tom3 = inchtoft*inchtoft*inchtoft/m3toft3
 
static constexpr double inhgtopa = 3386.38
 
static constexpr double slugtolb = 32.174049
 Note that definition of lbtoslug by the inverse of slugtolb and not to a different constant you can also get from some tables will make lbtoslug*slugtolb == 1 up to the magnitude of roundoff.
 
static constexpr double lbtoslug = 1.0/slugtolb
 
static constexpr double kgtolb = 2.20462
 
static constexpr double kgtoslug = 0.06852168
 
static const std::string needed_cfg_version = "2.0"
 
static const std::string JSBSim_version = JSBSIM_VERSION " " __DATE__ " " __TIME__
 
static int gaussian_random_number_phase = 0
 

Detailed Description

Models a rocket nozzle.

Configuration File Format:

<nozzle name="{string}">
<pe unit="{PSF}"> {number} </pe>
<area unit="{FT2 | M2 | IN2}"> {number} </area>
</nozzle>
const char * name

Configuration parameters are:

    pe -      Nozzle design exit pressure.
    area -    Nozzle area at the exit plane.
All parameters MUST be specified.  
@author Jon S. Berndt

Definition at line 78 of file FGNozzle.h.

Constructor & Destructor Documentation

◆ FGNozzle()

JSBSim::FGNozzle::FGNozzle ( FGFDMExec * exec,
Element * el,
int num = 0 )

Constructor.

Definition at line 54 of file FGNozzle.cpp.

◆ ~FGNozzle()

JSBSim::FGNozzle::~FGNozzle ( )

Destructor.

Definition at line 73 of file FGNozzle.cpp.

Member Function Documentation

◆ Calculate()

double JSBSim::FGNozzle::Calculate ( double vacThrust)
virtual

Reimplemented from JSBSim::FGThruster.

Definition at line 80 of file FGNozzle.cpp.

◆ GetThrusterLabels()

string JSBSim::FGNozzle::GetThrusterLabels ( int id,
const std::string & delimeter )
virtual

Reimplemented from JSBSim::FGThruster.

Definition at line 91 of file FGNozzle.cpp.

◆ GetThrusterValues()

string JSBSim::FGNozzle::GetThrusterValues ( int id,
const std::string & delimeter )
virtual

Reimplemented from JSBSim::FGThruster.

Definition at line 102 of file FGNozzle.cpp.


The documentation for this class was generated from the following files: