1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 Header: FGMassBalance.h
5 Date started: 09/12/2000
7 ------------- Copyright (C) 2000 Jon S. Berndt (jsb@hal-pc.org) --------------
9 This program is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any later
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 General Public License for more
19 You should have received a copy of the GNU 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.
23 Further information about the GNU General Public License can also be found on
24 the world wide web at http://www.gnu.org.
27 --------------------------------------------------------------------------------
28 09/12/2000 JSB Created
30 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
34 #ifndef FGMASSBALANCE_H
35 #define FGMASSBALANCE_H
37 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
39 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
42 #include "FGPropulsion.h"
45 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
47 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
49 #define ID_MASSBALANCE "$Id$"
51 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
57 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
59 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
61 /** Models weight and balance information.
64 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
68 class FGMassBalance : public FGModel
72 FGMassBalance(FGFDMExec*);
77 inline double GetMass(void) const {return Mass;}
78 inline double GetWeight(void) const {return Weight;}
79 inline double GetIxx(void) const {return Ixx;}
80 inline double GetIyy(void) const {return Iyy;}
81 inline double GetIzz(void) const {return Izz;}
82 inline double GetIxy(void) const {return Ixy;}
83 inline double GetIxz(void) const {return Ixz;}
84 inline FGColumnVector3& GetXYZcg(void) {return vXYZcg;}
85 inline double GetXYZcg(int axis) const {return vXYZcg(axis);}
87 /** Conversion from the structural frame to the body frame.
88 * Converts the argument \parm r given in the reference frame
89 * coordinate system to the body frame. The units of the structural
90 * frame are assumed to be in inches. The unit of the result is in
93 FGColumnVector3 StructuralToBody(const FGColumnVector3& r) const;
95 inline void SetEmptyWeight(double EW) { EmptyWeight = EW;}
96 inline void SetBaseIxx(double bixx) { baseIxx = bixx;}
97 inline void SetBaseIyy(double biyy) { baseIyy = biyy;}
98 inline void SetBaseIzz(double bizz) { baseIzz = bizz;}
99 inline void SetBaseIxy(double bixy) { baseIxy = bixy;}
100 inline void SetBaseIxz(double bixz) { baseIxz = bixz;}
101 inline void SetBaseCG(const FGColumnVector3& CG) {vbaseXYZcg = CG;}
103 void AddPointMass(double weight, double X, double Y, double Z);
104 double GetPointMassWeight(void);
105 FGColumnVector3& GetPointMassMoment(void);
106 double GetPMIxx(void);
107 double GetPMIyy(void);
108 double GetPMIzz(void);
109 double GetPMIxy(void);
110 double GetPMIxz(void);
129 FGColumnVector3 vXYZcg;
130 FGColumnVector3 vXYZtank;
131 FGColumnVector3 vbaseXYZcg;
132 vector <FGColumnVector3> PointMassLoc;
133 vector <double> PointMassWeight;
134 FGColumnVector3 PointMassCG;
135 void Debug(int from);
138 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%