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root/group/branches/new_design/OOPSE-3.0/src/primitives/RigidBody.hpp
Revision: 1692
Committed: Mon Nov 1 20:15:58 2004 UTC (19 years, 9 months ago) by tim
File size: 6612 byte(s)
Log Message:
break, break and break.....

File Contents

# User Rev Content
1 tim 1692 /*
2     * Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project
3     *
4     * Contact: oopse@oopse.org
5     *
6     * This program is free software; you can redistribute it and/or
7     * modify it under the terms of the GNU Lesser General Public License
8     * as published by the Free Software Foundation; either version 2.1
9     * of the License, or (at your option) any later version.
10     * All we ask is that proper credit is given for our work, which includes
11     * - but is not limited to - adding the above copyright notice to the beginning
12     * of your source code files, and to any copyright notice that you may distribute
13     * with programs based on this work.
14     *
15     * This program is distributed in the hope that it will be useful,
16     * but WITHOUT ANY WARRANTY; without even the implied warranty of
17     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18     * GNU Lesser General Public License for more details.
19     *
20     * You should have received a copy of the GNU Lesser General Public License
21     * along with this program; if not, write to the Free Software
22     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23     *
24     */
25 gezelter 1490
26 tim 1692 /**
27     * @file RigidBody.hpp
28     * @author tlin
29     * @date 10/23/2004
30     * @version 1.0
31     */
32 gezelter 1490
33 tim 1692 #ifndef PRIMITIVES_RIGIDBODY_HPP
34     #define PRIMITIVES_RIGIDBODY_HPP
35 gezelter 1490
36 tim 1692 #include <vector>
37 gezelter 1490
38 tim 1692 #include "primitives/StuntDouble.hpp"
39     #include "primitives/DirectionalAtom.hpp"
40     namespace oopse{
41     class RigidBody : public StuntDouble {
42     public:
43     RigidBody();
44 gezelter 1490
45 tim 1692 /**
46     * Sets the previous rotation matrix of this stuntdouble
47     * @param a new rotation matrix
48     */
49     virtual void setPrevA(const RotMat3x3d& a);
50    
51     /**
52     * Sets the current rotation matrix of this stuntdouble
53     * @param a new rotation matrix
54     */
55     virtual void setA(const RotMat3x3d& a);
56     /**
57     * Sets the rotation matrix of this stuntdouble in specified snapshot
58     * @param a rotation matrix to be set
59     * @param snapshotNo
60     * @see #getA
61     */
62     virtual void setA(const RotMat3x3d& a, int snapshotNo);
63 gezelter 1490
64 tim 1692 /**
65     * Returns the inertia tensor of this stuntdouble
66     * @return the inertia tensor of this stuntdouble
67     */
68     virtual Mat3x3d getI();
69 gezelter 1490
70    
71 tim 1692 /** Sets the internal unit frame of this stuntdouble by three euler angles */
72     void setUnitFrameFromEuler(double phi, double theta, double psi);
73    
74     /**
75     * Returns the gradient of this stuntdouble
76     * @return the inertia tensor of this stuntdouble
77     * @see #setI
78     */
79     virtual std::vector<double> getGrad();
80 gezelter 1490
81 tim 1692 virtual void accept(BaseVisitor* v);
82 gezelter 1490
83 tim 1692 void addAtom(Atom* atom);
84 gezelter 1490
85 tim 1692 /** calculate the reference coordinates */
86     void calcRefCoords();
87 gezelter 1490
88 tim 1692 /** Convert Atomic forces and torques to total forces and torques */
89     void calcForcesAndTorques();
90 gezelter 1490
91 tim 1692 /** update the positions of atoms belong to this rigidbody */
92     void updateAtoms();
93 gezelter 1490
94 tim 1692 /**
95     * Returns the atoms of this rigid body
96     * @return the atoms of this rigid body in a vector
97     */
98     std::vector<Atom*> getAtoms() {
99     return atoms_;
100     }
101 gezelter 1490
102 tim 1692 /**
103     * Returns the number of atoms in this rigid body
104     * @return the number of atoms in this rigid body
105     */
106     int getNumAtoms() {
107     return atoms_.size();
108     }
109 gezelter 1490
110 tim 1692 /**
111     * Return the position of atom which belongs to this rigid body.
112     * @return true if index is valid otherwise return false
113     * @param pos the position of atom which will be set on return if index is valid
114     * @param index the index of the atom in rigid body's private data member atoms_
115     */
116     bool getAtomPos(Vector3d& pos, unsigned int index);
117 gezelter 1490
118 tim 1692 /**
119     * Return the position of atom which belongs to this rigid body.
120     * @return true if atom belongs to this rigid body,otherwise return false
121     * @param pos position of atom which will be set on return if atom belongs to this rigid body
122     * @param atom the pointer to an atom
123     */
124     bool getAtomPos(Vector3d& pos, Atom* atom);
125 gezelter 1490
126 tim 1692 /**
127     * Return the velocity of atom which belongs to this rigid body.
128     * @return true if index is valid otherwise return false
129     * @param vel the velocity of atom which will be set on return if index is valid
130     * @param index the index of the atom in rigid body's private data member atoms_
131     */
132     bool getAtomVel(Vector3d& vel, unsigned int index);
133 gezelter 1490
134 tim 1692 /**
135     * Return the velocity of atom which belongs to this rigid body.
136     * @return true if atom belongs to this rigid body,otherwise return false
137     * @param vel velocity of atom which will be set on return if atom belongs to this rigid body
138     * @param atom the pointer to an atom
139     */
140     bool getAtomVel(Vector3d& vel, Atom*);
141 gezelter 1490
142 tim 1692 /**
143     * Return the reference coordinate of atom which belongs to this rigid body.
144     * @return true if index is valid otherwise return false
145     * @param coor the reference coordinate of atom which will be set on return if index is valid
146     * @param index the index of the atom in rigid body's private data member atoms_
147     */
148     bool getAtomRefCoor(Vector3d& coor, unsigned int index);
149 gezelter 1490
150 tim 1692 /**
151     * Return the velocity of atom which belongs to this rigid body.
152     * @return true if atom belongs to this rigid body,otherwise return false
153     * @param coor velocity of atom which will be set on return if atom belongs to this rigid body
154     * @param atom the pointer to an atom
155     */
156     bool getAtomRefCoor(Vector3d& coor, Atom* atom);
157 gezelter 1490
158 tim 1692 private:
159    
160     Mat3x3d inertiaTensor_;
161     RotMat3x3d sU_; /**< body fixed standard unit vector */
162    
163     std::vector<Atom*> atoms_;
164     std::vector<Vector3d> refCoords_;
165     };
166 gezelter 1490
167 tim 1692 }//namepace oopse
168 gezelter 1490
169 tim 1692 #endif //PRIMITIVES_RIGIDBODY_HPP
170 gezelter 1490