| 1 | #include <stdlib.h> | 
| 2 |  | 
| 3 |  | 
| 4 | #include "primitives/Molecule.hpp" | 
| 5 | #include "utils/simError.h" | 
| 6 |  | 
| 7 |  | 
| 8 |  | 
| 9 | Molecule::Molecule( void ){ | 
| 10 |  | 
| 11 | myAtoms = NULL; | 
| 12 | myBonds = NULL; | 
| 13 | myBends = NULL; | 
| 14 | myTorsions = NULL; | 
| 15 | } | 
| 16 |  | 
| 17 | Molecule::~Molecule( void ){ | 
| 18 | int i; | 
| 19 | CutoffGroup* cg; | 
| 20 | vector<CutoffGroup*>::iterator iter; | 
| 21 |  | 
| 22 | if( myAtoms != NULL ){ | 
| 23 | for(i=0; i<nAtoms; i++) if(myAtoms[i] != NULL ) delete myAtoms[i]; | 
| 24 | delete[] myAtoms; | 
| 25 | } | 
| 26 |  | 
| 27 | if( myBonds != NULL ){ | 
| 28 | for(i=0; i<nBonds; i++) if(myBonds[i] != NULL ) delete myBonds[i]; | 
| 29 | delete[] myBonds; | 
| 30 | } | 
| 31 |  | 
| 32 | if( myBends != NULL ){ | 
| 33 | for(i=0; i<nBends; i++) if(myBends[i] != NULL ) delete myBends[i]; | 
| 34 | delete[] myBends; | 
| 35 | } | 
| 36 |  | 
| 37 | if( myTorsions != NULL ){ | 
| 38 | for(i=0; i<nTorsions; i++) if(myTorsions[i] != NULL ) delete myTorsions[i]; | 
| 39 | delete[] myTorsions; | 
| 40 | } | 
| 41 |  | 
| 42 | for(cg = beginCutoffGroup(iter);  cg != NULL; cg = nextCutoffGroup(iter)) | 
| 43 | delete cg; | 
| 44 | myCutoffGroups.clear(); | 
| 45 |  | 
| 46 | } | 
| 47 |  | 
| 48 |  | 
| 49 | void Molecule::initialize( molInit &theInit ){ | 
| 50 |  | 
| 51 | CutoffGroup* curCutoffGroup; | 
| 52 | vector<CutoffGroup*>::iterator iterCutoff; | 
| 53 | Atom* cutoffAtom; | 
| 54 | vector<Atom*>::iterator iterAtom; | 
| 55 | int atomIndex; | 
| 56 |  | 
| 57 | nAtoms = theInit.nAtoms; | 
| 58 | nMembers = nAtoms; | 
| 59 | nBonds = theInit.nBonds; | 
| 60 | nBends = theInit.nBends; | 
| 61 | nTorsions = theInit.nTorsions; | 
| 62 | nRigidBodies = theInit.nRigidBodies; | 
| 63 | nOriented = theInit.nOriented; | 
| 64 |  | 
| 65 | myAtoms = theInit.myAtoms; | 
| 66 | myBonds = theInit.myBonds; | 
| 67 | myBends = theInit.myBends; | 
| 68 | myTorsions = theInit.myTorsions; | 
| 69 | myRigidBodies = theInit.myRigidBodies; | 
| 70 |  | 
| 71 | myIntegrableObjects = theInit.myIntegrableObjects; | 
| 72 |  | 
| 73 | for (int i = 0; i < myRigidBodies.size(); i++) | 
| 74 | myRigidBodies[i]->calcRefCoords(); | 
| 75 |  | 
| 76 | myCutoffGroups = theInit.myCutoffGroups; | 
| 77 | nCutoffGroups = myCutoffGroups.size(); | 
| 78 |  | 
| 79 | } | 
| 80 |  | 
| 81 | void Molecule::calcForces( void ){ | 
| 82 |  | 
| 83 | int i; | 
| 84 | double com[3]; | 
| 85 |  | 
| 86 | for(i=0; i<myRigidBodies.size(); i++) { | 
| 87 | myRigidBodies[i]->updateAtoms(); | 
| 88 | } | 
| 89 |  | 
| 90 | for(i=0; i<nBonds; i++){ | 
| 91 | myBonds[i]->calc_forces(); | 
| 92 | } | 
| 93 |  | 
| 94 | for(i=0; i<nBends; i++){ | 
| 95 | myBends[i]->calc_forces(); | 
| 96 | } | 
| 97 |  | 
| 98 | for(i=0; i<nTorsions; i++){ | 
| 99 | myTorsions[i]->calc_forces(); | 
| 100 | } | 
| 101 |  | 
| 102 | // Rigid Body forces and torques are done after the fortran force loop | 
| 103 |  | 
| 104 | } | 
| 105 |  | 
| 106 |  | 
| 107 | double Molecule::getPotential( void ){ | 
| 108 |  | 
| 109 | int i; | 
| 110 | double myPot = 0.0; | 
| 111 |  | 
| 112 | for(i=0; i<myRigidBodies.size(); i++) { | 
| 113 | myRigidBodies[i]->updateAtoms(); | 
| 114 | } | 
| 115 |  | 
| 116 | for(i=0; i<nBonds; i++){ | 
| 117 | myPot += myBonds[i]->get_potential(); | 
| 118 | } | 
| 119 |  | 
| 120 | for(i=0; i<nBends; i++){ | 
| 121 | myPot += myBends[i]->get_potential(); | 
| 122 | } | 
| 123 |  | 
| 124 | for(i=0; i<nTorsions; i++){ | 
| 125 | myPot += myTorsions[i]->get_potential(); | 
| 126 | } | 
| 127 |  | 
| 128 | return myPot; | 
| 129 | } | 
| 130 |  | 
| 131 | void Molecule::printMe( void ){ | 
| 132 |  | 
| 133 | int i; | 
| 134 |  | 
| 135 | for(i=0; i<nBonds; i++){ | 
| 136 | myBonds[i]->printMe(); | 
| 137 | } | 
| 138 |  | 
| 139 | for(i=0; i<nBends; i++){ | 
| 140 | myBends[i]->printMe(); | 
| 141 | } | 
| 142 |  | 
| 143 | for(i=0; i<nTorsions; i++){ | 
| 144 | myTorsions[i]->printMe(); | 
| 145 | } | 
| 146 |  | 
| 147 | } | 
| 148 |  | 
| 149 | void Molecule::moveCOM(double delta[3]){ | 
| 150 | double aPos[3]; | 
| 151 | int i, j; | 
| 152 |  | 
| 153 | for(i=0; i<myIntegrableObjects.size(); i++) { | 
| 154 | if(myIntegrableObjects[i] != NULL ) { | 
| 155 |  | 
| 156 | myIntegrableObjects[i]->getPos( aPos ); | 
| 157 |  | 
| 158 | for (j=0; j< 3; j++) | 
| 159 | aPos[j] += delta[j]; | 
| 160 |  | 
| 161 | myIntegrableObjects[i]->setPos( aPos ); | 
| 162 | } | 
| 163 | } | 
| 164 |  | 
| 165 | for(i=0; i<myRigidBodies.size(); i++) { | 
| 166 |  | 
| 167 | myRigidBodies[i]->getPos( aPos ); | 
| 168 |  | 
| 169 | for (j=0; j< 3; j++) | 
| 170 | aPos[j] += delta[j]; | 
| 171 |  | 
| 172 | myRigidBodies[i]->setPos( aPos ); | 
| 173 | } | 
| 174 | } | 
| 175 |  | 
| 176 | void Molecule::atoms2rigidBodies( void ) { | 
| 177 | int i; | 
| 178 | for (i = 0; i < myRigidBodies.size(); i++) { | 
| 179 | myRigidBodies[i]->calcForcesAndTorques(); | 
| 180 | } | 
| 181 | } | 
| 182 |  | 
| 183 | void Molecule::getCOM( double COM[3] ) { | 
| 184 |  | 
| 185 | double mass, mtot; | 
| 186 | double aPos[3]; | 
| 187 | int i, j; | 
| 188 |  | 
| 189 | for (j=0; j<3; j++) | 
| 190 | COM[j] = 0.0; | 
| 191 |  | 
| 192 | mtot   = 0.0; | 
| 193 |  | 
| 194 | for (i=0; i < myIntegrableObjects.size(); i++) { | 
| 195 | if (myIntegrableObjects[i] != NULL) { | 
| 196 |  | 
| 197 | mass = myIntegrableObjects[i]->getMass(); | 
| 198 | mtot   += mass; | 
| 199 |  | 
| 200 | myIntegrableObjects[i]->getPos( aPos ); | 
| 201 |  | 
| 202 | for( j = 0; j < 3; j++) | 
| 203 | COM[j] += aPos[j] * mass; | 
| 204 |  | 
| 205 | } | 
| 206 | } | 
| 207 |  | 
| 208 | for (j = 0; j < 3; j++) | 
| 209 | COM[j] /= mtot; | 
| 210 | } | 
| 211 |  | 
| 212 | double Molecule::getCOMvel( double COMvel[3] ) { | 
| 213 |  | 
| 214 | double mass, mtot; | 
| 215 | double aVel[3]; | 
| 216 | int i, j; | 
| 217 |  | 
| 218 |  | 
| 219 | for (j=0; j<3; j++) | 
| 220 | COMvel[j] = 0.0; | 
| 221 |  | 
| 222 | mtot   = 0.0; | 
| 223 |  | 
| 224 | for (i=0; i < myIntegrableObjects.size(); i++) { | 
| 225 | if (myIntegrableObjects[i] != NULL) { | 
| 226 |  | 
| 227 | mass = myIntegrableObjects[i]->getMass(); | 
| 228 | mtot   += mass; | 
| 229 |  | 
| 230 | myIntegrableObjects[i]->getVel(aVel); | 
| 231 |  | 
| 232 | for (j=0; j<3; j++) | 
| 233 | COMvel[j] += aVel[j]*mass; | 
| 234 |  | 
| 235 | } | 
| 236 | } | 
| 237 |  | 
| 238 | for (j=0; j<3; j++) | 
| 239 | COMvel[j] /= mtot; | 
| 240 |  | 
| 241 | return mtot; | 
| 242 |  | 
| 243 | } | 
| 244 |  | 
| 245 | double Molecule::getTotalMass() | 
| 246 | { | 
| 247 |  | 
| 248 | double totalMass; | 
| 249 |  | 
| 250 | totalMass = 0; | 
| 251 | for(int i =0; i < myIntegrableObjects.size(); i++){ | 
| 252 | totalMass += myIntegrableObjects[i]->getMass(); | 
| 253 | } | 
| 254 |  | 
| 255 | return totalMass; | 
| 256 | } |