JSBSim Flight Dynamics Model  1.0 (02 March 2017)
An Open Source Flight Dynamics and Control Software Library in C++
FGThruster.h
1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 
3  Header: FGThruster.h
4  Author: Jon S. Berndt
5  Date started: 08/23/00
6 
7  ------------- Copyright (C) 2000 Jon S. Berndt (jon@jsbsim.org) -------------
8 
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU Lesser General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13 
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
17  details.
18 
19  You should have received a copy of the GNU Lesser General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA 02111-1307, USA.
22 
23  Further information about the GNU Lesser General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25 
26 HISTORY
27 --------------------------------------------------------------------------------
28 08/24/00 JSB Created
29 
30 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
31 SENTRY
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
33 
34 #ifndef FGTHRUSTER_H
35 #define FGTHRUSTER_H
36 
37 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 INCLUDES
39 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
40 
41 #include "FGForce.h"
42 #include "math/FGColumnVector3.h"
43 #include <string>
44 
45 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
46 DEFINITIONS
47 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
48 
49 #define ID_THRUSTER "$Id: FGThruster.h,v 1.26 2015/09/27 10:03:53 bcoconni Exp $"
50 
51 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
52 FORWARD DECLARATIONS
53 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
54 
55 namespace JSBSim {
56 
57 class Element;
58 class FGPropertyManager;
59 
60 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
61 CLASS DOCUMENTATION
62 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
63 
80 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
81 CLASS DECLARATION
82 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
83 
84 class FGThruster : public FGForce {
85 
86 public:
88  FGThruster(FGFDMExec *FDMExec, Element *el, int num );
90  virtual ~FGThruster();
91 
92  enum eType {ttNozzle, ttRotor, ttPropeller, ttDirect};
93 
94  virtual double Calculate(double tt) {
95  Thrust = cos(ReverserAngle)*tt;
96  vFn(1) = Thrust;
97  return Thrust;
98  }
99  void SetName(std::string name) {Name = name;}
100  virtual void SetRPM(double rpm) {};
101  virtual void SetEngineRPM(double rpm) {};
102  virtual double GetPowerRequired(void) {return 0.0;}
103  double GetThrust(void) const {return Thrust;}
104  eType GetType(void) {return Type;}
105  std::string GetName(void) {return Name;}
106  void SetReverserAngle(double angle) {ReverserAngle = angle;}
107  double GetReverserAngle(void) const {return ReverserAngle;}
108  virtual double GetRPM(void) const { return 0.0; };
109  virtual double GetEngineRPM(void) const { return 0.0; };
110  double GetGearRatio(void) {return GearRatio; }
111  virtual std::string GetThrusterLabels(int id, const std::string& delimeter);
112  virtual std::string GetThrusterValues(int id, const std::string& delimeter);
113 
114  virtual void ResetToIC(void);
115 
116  struct Inputs {
117  double TotalDeltaT;
118  double H_agl;
119  FGColumnVector3 PQRi;
120  FGColumnVector3 AeroPQR;
121  FGColumnVector3 AeroUVW;
122  double Density;
123  double Pressure;
124  double Soundspeed;
125  double Alpha;
126  double Beta;
127  double Vt;
128  } in;
129 
130 protected:
131  eType Type;
132  std::string Name;
133  double Thrust;
134  double PowerRequired;
135  double GearRatio;
136  double ThrustCoeff;
137  double ReverserAngle;
138  int EngineNum;
139  virtual void Debug(int from);
140 };
141 }
142 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
143 #endif
144 
JSBSim::FGThruster
Base class for specific thrusting devices such as propellers, nozzles, etc.
Definition: FGThruster.h:84
JSBSim::FGThruster::~FGThruster
virtual ~FGThruster()
Destructor.
Definition: FGThruster.cpp:122
JSBSim::FGColumnVector3
This class implements a 3 element column vector.
Definition: FGColumnVector3.h:70
JSBSim::FGFDMExec
Encapsulates the JSBSim simulation executive.
Definition: FGFDMExec.h:189
JSBSim::FGForce
Utility class that aids in the conversion of forces between coordinate systems and calculation of mom...
Definition: FGForce.h:225
JSBSim::FGThruster::FGThruster
FGThruster(FGFDMExec *FDMExec, Element *el, int num)
Constructor.
Definition: FGThruster.cpp:56