| 1 |
gezelter |
2 |
#include <stdlib.h> |
| 2 |
|
|
|
| 3 |
|
|
|
| 4 |
|
|
#include "Molecule.hpp" |
| 5 |
|
|
#include "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 |
|
|
} |
