Branch data Line data Source code
1 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 : :
3 : : Module: FGExternalReactions.cpp
4 : : Author: David P. Culp
5 : : Date started: 17/11/06
6 : : Purpose: Manages the External Forces
7 : : Called by: FGAircraft
8 : :
9 : : ------------- Copyright (C) 2006 David P. Culp (davidculp2@comcast.net) -------------
10 : :
11 : : This program is free software; you can redistribute it and/or modify it under
12 : : the terms of the GNU Lesser General Public License as published by the Free Software
13 : : Foundation; either version 2 of the License, or (at your option) any later
14 : : version.
15 : :
16 : : This program is distributed in the hope that it will be useful, but WITHOUT
17 : : ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 : : FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
19 : : details.
20 : :
21 : : You should have received a copy of the GNU Lesser General Public License along with
22 : : this program; if not, write to the Free Software Foundation, Inc., 59 Temple
23 : : Place - Suite 330, Boston, MA 02111-1307, USA.
24 : :
25 : : Further information about the GNU Lesser General Public License can also be found on
26 : : the world wide web at http://www.gnu.org.
27 : :
28 : : FUNCTIONAL DESCRIPTION
29 : : --------------------------------------------------------------------------------
30 : :
31 : : HISTORY
32 : : --------------------------------------------------------------------------------
33 : : 17/11/06 DC Created
34 : :
35 : : /%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 : : INCLUDES
37 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
38 : :
39 : : #include "FGExternalReactions.h"
40 : : #include "input_output/FGXMLElement.h"
41 : : #include <iostream>
42 : : #include <string>
43 : :
44 : : using namespace std;
45 : :
46 : : namespace JSBSim {
47 : :
48 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
49 : : DEFINITIONS
50 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
51 : :
52 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 : : GLOBAL DATA
54 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
55 : :
56 : : static const char *IdSrc = "$Id: FGExternalReactions.cpp,v 1.8 2009/11/12 13:08:11 jberndt Exp $";
57 : : static const char *IdHdr = ID_EXTERNALREACTIONS;
58 : :
59 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60 : : CLASS IMPLEMENTATION
61 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
62 : :
63 : 1 : FGExternalReactions::FGExternalReactions(FGFDMExec* fdmex) : FGModel(fdmex)
64 : : {
65 : 1 : NoneDefined = true;
66 : 1 : Debug(0);
67 : 1 : }
68 : :
69 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
70 : :
71 : 0 : bool FGExternalReactions::Load(Element* el)
72 : : {
73 : 0 : FGModel::Load(el); // Call the base class Load() function to load interface properties.
74 : :
75 : 0 : Debug(2);
76 : :
77 : : // Parse force elements
78 : :
79 : 0 : int index=0;
80 : 0 : Element* force_element = el->FindElement("force");
81 [ # # ]: 0 : while (force_element) {
82 : 0 : Forces.push_back( new FGExternalForce(FDMExec, force_element, index) );
83 : 0 : NoneDefined = false;
84 : 0 : index++;
85 : 0 : force_element = el->FindNextElement("force");
86 : : }
87 : :
88 : 0 : PostLoad(el, PropertyManager);
89 : :
90 : 0 : return true;
91 : : }
92 : :
93 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
94 : :
95 : 1 : FGExternalReactions::~FGExternalReactions()
96 : : {
97 [ # # ][ - + ]: 1 : for (unsigned int i=0; i<Forces.size(); i++) delete Forces[i];
[ # # ][ # # ]
98 : 1 : Forces.clear();
99 : :
100 : 1 : Debug(1);
101 : 1 : }
102 : :
103 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
104 : :
105 : 1 : bool FGExternalReactions::InitModel(void)
106 : : {
107 [ - + ]: 1 : if (!FGModel::InitModel()) return false;
108 : :
109 : 1 : return true;
110 : : }
111 : :
112 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
113 : :
114 : 54005 : bool FGExternalReactions::Run()
115 : : {
116 [ - + ]: 54005 : if (FGModel::Run()) return true;
117 [ - + ]: 54005 : if (FDMExec->Holding()) return false; // if paused don't execute
118 [ + - ]: 54005 : if (NoneDefined) return true;
119 : :
120 : 0 : RunPreFunctions();
121 : :
122 : 0 : vTotalForces.InitMatrix();
123 : 0 : vTotalMoments.InitMatrix();
124 : :
125 [ # # ]: 0 : for (unsigned int i=0; i<Forces.size(); i++) {
126 : 0 : vTotalForces += Forces[i]->GetBodyForces();
127 : 0 : vTotalMoments += Forces[i]->GetMoments();
128 : : }
129 : :
130 : 0 : RunPostFunctions();
131 : :
132 : 54005 : return false;
133 : : }
134 : :
135 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
136 : : // The bitmasked value choices are as follows:
137 : : // unset: In this case (the default) JSBSim would only print
138 : : // out the normally expected messages, essentially echoing
139 : : // the config files as they are read. If the environment
140 : : // variable is not set, debug_lvl is set to 1 internally
141 : : // 0: This requests JSBSim not to output any messages
142 : : // whatsoever.
143 : : // 1: This value explicity requests the normal JSBSim
144 : : // startup messages
145 : : // 2: This value asks for a message to be printed out when
146 : : // a class is instantiated
147 : : // 4: When this value is set, a message is displayed when a
148 : : // FGModel object executes its Run() method
149 : : // 8: When this value is set, various runtime state variables
150 : : // are printed out periodically
151 : : // 16: When set various parameters are sanity checked and
152 : : // a message is printed out when they go out of bounds
153 : :
154 : 2 : void FGExternalReactions::Debug(int from)
155 : : {
156 [ + - ]: 2 : if (debug_lvl <= 0) return;
157 : :
158 [ + - ]: 2 : if (debug_lvl & 1) { // Standard console startup message output
159 : : if (from == 0) { // Constructor - loading and initialization
160 : : }
161 [ - + ]: 2 : if (from == 2) { // Loading
162 : 0 : cout << endl << " External Reactions: " << endl;
163 : : }
164 : : }
165 [ - + ]: 2 : if (debug_lvl & 2 ) { // Instantiation/Destruction notification
166 [ # # ]: 0 : if (from == 0) cout << "Instantiated: FGExternalReactions" << endl;
167 [ # # ]: 0 : if (from == 1) cout << "Destroyed: FGExternalReactions" << endl;
168 : : }
169 : 2 : if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
170 : : }
171 : 2 : if (debug_lvl & 8 ) { // Runtime state variables
172 : : }
173 : 2 : if (debug_lvl & 16) { // Sanity checking
174 : : }
175 [ - + ]: 2 : if (debug_lvl & 64) {
176 [ # # ]: 0 : if (from == 0) { // Constructor
177 : 0 : cout << IdSrc << endl;
178 : 0 : cout << IdHdr << endl;
179 : : }
180 : : }
181 : : }
182 : :
183 [ + + ][ + - ]: 12 : } // namespace JSBSim
184 : :
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