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Comparing:
trunk/src/primitives/DirectionalAtom.cpp (file contents), Revision 273 by tim, Tue Jan 25 17:45:23 2005 UTC vs.
branches/development/src/primitives/DirectionalAtom.cpp (file contents), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3   *
4   * The University of Notre Dame grants you ("Licensee") a
# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   #include "primitives/DirectionalAtom.hpp"
44   #include "utils/simError.h"
45 < namespace oopse {
46 <
47 < DirectionalAtom::DirectionalAtom(DirectionalAtomType* dAtomType)
48 <                         : Atom(dAtomType){
45 > namespace OpenMD {
46 >  
47 >  DirectionalAtom::DirectionalAtom(DirectionalAtomType* dAtomType)
48 >    : Atom(dAtomType){
49      objType_= otDAtom;
50      if (dAtomType->isMultipole()) {
51 <        electroBodyFrame_ = dAtomType->getElectroBodyFrame();
51 >      electroBodyFrame_ = dAtomType->getElectroBodyFrame();
52      }
53 <
54 <    //check if one of the diagonal inertia tensor of this directional atom  is zero
53 >    
54 >    // Check if one of the diagonal inertia tensor of this directional
55 >    // atom is zero:
56      int nLinearAxis = 0;
57      Mat3x3d inertiaTensor = getI();
58      for (int i = 0; i < 3; i++) {    
59 <        if (fabs(inertiaTensor(i, i)) < oopse::epsilon) {
60 <            linear_ = true;
61 <            linearAxis_ = i;
62 <            ++ nLinearAxis;
63 <        }
59 >      if (fabs(inertiaTensor(i, i)) < OpenMD::epsilon) {
60 >        linear_ = true;
61 >        linearAxis_ = i;
62 >        ++ nLinearAxis;
63 >      }
64      }
65  
66      if (nLinearAxis > 1) {
67 <        sprintf( painCave.errMsg,
68 <            "Directional Atom error.\n"
69 <            "\tOOPSE found more than one axis in this directional atom with a vanishing \n"
70 <            "\tmoment of inertia.");
71 <        painCave.isFatal = 1;
72 <        simError();
73 <    }
74 <      
75 < }
76 <
75 < Mat3x3d DirectionalAtom::getI() {
67 >      sprintf( painCave.errMsg,
68 >               "Directional Atom warning.\n"
69 >               "\tOpenMD found more than one axis in this directional atom with a vanishing \n"
70 >               "\tmoment of inertia.");
71 >      painCave.isFatal = 0;
72 >      simError();
73 >    }    
74 >  }
75 >  
76 >  Mat3x3d DirectionalAtom::getI() {
77      return static_cast<DirectionalAtomType*>(getAtomType())->getI();
78 < }    
79 <
80 < void DirectionalAtom::setPrevA(const RotMat3x3d& a) {
78 >  }    
79 >  
80 >  void DirectionalAtom::setPrevA(const RotMat3x3d& a) {
81      ((snapshotMan_->getPrevSnapshot())->*storage_).aMat[localIndex_] = a;
82      if (atomType_->isMultipole()) {
83 <        ((snapshotMan_->getPrevSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;
83 >      ((snapshotMan_->getPrevSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;
84      }
85 < }
86 <
87 <      
88 < void DirectionalAtom::setA(const RotMat3x3d& a) {
85 >  }
86 >  
87 >  
88 >  void DirectionalAtom::setA(const RotMat3x3d& a) {
89      ((snapshotMan_->getCurrentSnapshot())->*storage_).aMat[localIndex_] = a;
90 <
90 >    
91      if (atomType_->isMultipole()) {
92 <        ((snapshotMan_->getCurrentSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;
92 >      ((snapshotMan_->getCurrentSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;
93      }
94 < }    
95 <    
96 < void DirectionalAtom::setA(const RotMat3x3d& a, int snapshotNo) {
94 >  }    
95 >  
96 >  void DirectionalAtom::setA(const RotMat3x3d& a, int snapshotNo) {
97      ((snapshotMan_->getSnapshot(snapshotNo))->*storage_).aMat[localIndex_] = a;
98 <
98 >    
99      if (atomType_->isMultipole()) {
100 <        ((snapshotMan_->getSnapshot(snapshotNo))->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;    
100 >      ((snapshotMan_->getSnapshot(snapshotNo))->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_;    
101      }
102 < }    
103 <
104 < void DirectionalAtom::rotateBy(const RotMat3x3d& m) {
102 >  }    
103 >  
104 >  void DirectionalAtom::rotateBy(const RotMat3x3d& m) {
105      setA(m *getA());
106 < }
107 <
108 < std::vector<double> DirectionalAtom::getGrad() {
109 <    std::vector<double> grad(6, 0.0);
106 >  }
107 >  
108 >  std::vector<RealType> DirectionalAtom::getGrad() {
109 >    std::vector<RealType> grad(6, 0.0);
110      Vector3d force;
111      Vector3d torque;
112      Vector3d myEuler;
113 <    double phi, theta, psi;
114 <    double cphi, sphi, ctheta, stheta;
113 >    RealType phi, theta, psi;
114 >    RealType cphi, sphi, ctheta, stheta;
115      Vector3d ephi;
116      Vector3d etheta;
117      Vector3d epsi;
118 <
118 >    
119      force = getFrc();
120      torque =getTrq();
121      myEuler = getA().toEulerAngles();
122 <
122 >    
123      phi = myEuler[0];
124      theta = myEuler[1];
125      psi = myEuler[2];
126 <
126 >    
127      cphi = cos(phi);
128      sphi = sin(phi);
129      ctheta = cos(theta);
130      stheta = sin(theta);
131 <
131 >    
132      // get unit vectors along the phi, theta and psi rotation axes
133 <
133 >    
134      ephi[0] = 0.0;
135      ephi[1] = 0.0;
136      ephi[2] = 1.0;
137 <
137 >    
138 >    //etheta[0] = -sphi;
139 >    //etheta[1] =  cphi;
140 >    //etheta[2] =  0.0;
141 >    
142      etheta[0] = cphi;
143      etheta[1] = sphi;
144      etheta[2] = 0.0;
145 <
145 >    
146      epsi[0] = stheta * cphi;
147      epsi[1] = stheta * sphi;
148      epsi[2] = ctheta;
149 <
149 >    
150      //gradient is equal to -force
151      for (int j = 0 ; j<3; j++)
152 <        grad[j] = -force[j];
153 <
154 <    for (int j = 0; j < 3; j++ ) {
155 <
156 <        grad[3] += torque[j]*ephi[j];
157 <        grad[4] += torque[j]*etheta[j];
153 <        grad[5] += torque[j]*epsi[j];
154 <
152 >      grad[j] = -force[j];
153 >    
154 >    for (int j = 0; j < 3; j++ ) {      
155 >      grad[3] -= torque[j]*ephi[j];
156 >      grad[4] -= torque[j]*etheta[j];
157 >      grad[5] -= torque[j]*epsi[j];      
158      }
159      
160      return grad;
161 < }    
162 <
163 < void DirectionalAtom::accept(BaseVisitor* v) {
161 >  }    
162 >  
163 >  void DirectionalAtom::accept(BaseVisitor* v) {
164      v->visit(this);
165 < }    
163 <
165 >  }
166   }
167  

Comparing:
trunk/src/primitives/DirectionalAtom.cpp (property svn:keywords), Revision 273 by tim, Tue Jan 25 17:45:23 2005 UTC vs.
branches/development/src/primitives/DirectionalAtom.cpp (property svn:keywords), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC

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