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#include "Integrator.hpp" | 
| 2 | 
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#include "simError.h" | 
| 3 | 
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 | 
| 3 | 
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#include <cmath> | 
| 4 | 
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template<typename T> ZConstraint<T>::ZConstraint(SimInfo* theInfo, ForceFields* the_ff)  | 
| 5 | 
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                                    : T(theInfo, the_ff), fz(NULL), indexOfZConsMols(NULL) | 
| 5 | 
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                                    : T(theInfo, the_ff), fz(NULL),  | 
| 6 | 
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                                      indexOfZConsMols(NULL) | 
| 7 | 
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{ | 
| 8 | 
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 | 
| 9 | 
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  //get properties from SimInfo | 
| 10 | 
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  GenericData* data; | 
| 11 | 
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  IndexData* index; | 
| 11 | 
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  ZConsParaData* zConsParaData; | 
| 12 | 
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  DoubleData* sampleTime; | 
| 13 | 
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  DoubleData* tolerance; | 
| 14 | 
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  StringData* filename;  | 
| 15 | 
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   | 
| 14 | 
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   | 
| 15 | 
< | 
  data = info->getProperty("zconsindex"); | 
| 16 | 
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  if(!data) { | 
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  double COM[3]; | 
| 16 | 
  | 
 | 
| 17 | 
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    sprintf( painCave.errMsg, | 
| 18 | 
< | 
               "ZConstraint error: If you use an ZConstraint\n" | 
| 19 | 
< | 
               " , you must set index of z-constraint molecules.\n"); | 
| 20 | 
< | 
    painCave.isFatal = 1; | 
| 21 | 
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    simError();   | 
| 23 | 
< | 
  } | 
| 24 | 
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  else{ | 
| 25 | 
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    index = dynamic_cast<IndexData*>(data); | 
| 26 | 
< | 
     | 
| 27 | 
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    if(!index){ | 
| 17 | 
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  //by default, the direction of constraint is z | 
| 18 | 
> | 
  // 0 --> x | 
| 19 | 
> | 
  // 1 --> y | 
| 20 | 
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  // 2 --> z | 
| 21 | 
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  whichDirection = 2; | 
| 22 | 
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 | 
| 23 | 
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      sprintf( painCave.errMsg, | 
| 24 | 
< | 
                 "ZConstraint error: Can not get property from SimInfo\n"); | 
| 25 | 
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      painCave.isFatal = 1; | 
| 26 | 
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      simError();   | 
| 27 | 
< | 
     | 
| 34 | 
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    } | 
| 35 | 
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    else{ | 
| 36 | 
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            | 
| 37 | 
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      indexOfAllZConsMols = index->getIndexData(); | 
| 38 | 
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       | 
| 39 | 
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      //the maximum value of index is the last one(we sorted the index data in SimSetup.cpp) | 
| 40 | 
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      int maxIndex; | 
| 41 | 
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      int totalNumMol; | 
| 42 | 
< | 
       | 
| 43 | 
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      maxIndex = indexOfAllZConsMols[indexOfAllZConsMols.size() - 1]; | 
| 23 | 
> | 
  //estimate the force constant of harmonical potential | 
| 24 | 
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  double Kb = 1.986E-3 ; //in kcal/K | 
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   | 
| 26 | 
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  double halfOfLargestBox = max(info->boxL[0], max(info->boxL[1], info->boxL[2])) /2; | 
| 27 | 
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  zForceConst = Kb * info->target_temp /(halfOfLargestBox * halfOfLargestBox); | 
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 | 
| 29 | 
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#ifndef IS_MPI | 
| 30 | 
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      totalNumMol = nMols; | 
| 47 | 
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#else | 
| 48 | 
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      totalNumMol = mpiSim->getTotNmol();    | 
| 49 | 
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#endif       | 
| 50 | 
< | 
       | 
| 51 | 
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      if(maxIndex > totalNumMol - 1){ | 
| 52 | 
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        sprintf( painCave.errMsg, | 
| 53 | 
< | 
               "ZConstraint error: index is out of range\n"); | 
| 54 | 
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        painCave.isFatal = 1; | 
| 55 | 
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        simError();  | 
| 56 | 
< | 
                  | 
| 57 | 
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      } | 
| 58 | 
< | 
       | 
| 59 | 
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    } | 
| 60 | 
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          | 
| 61 | 
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  } | 
| 29 | 
> | 
  //retrieve sample time of z-contraint  | 
| 30 | 
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  data = info->getProperty(ZCONSTIME_ID); | 
| 31 | 
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   | 
| 63 | 
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  //retrive sample time of z-contraint  | 
| 64 | 
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  data = info->getProperty("zconstime"); | 
| 65 | 
– | 
   | 
| 32 | 
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  if(!data) { | 
| 33 | 
  | 
       | 
| 34 | 
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    sprintf( painCave.errMsg, | 
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 | 
| 56 | 
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  } | 
| 57 | 
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   | 
| 58 | 
< | 
   | 
| 59 | 
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  //retrive output filename of z force | 
| 94 | 
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  data = info->getProperty("zconsfilename"); | 
| 58 | 
> | 
  //retrieve output filename of z force | 
| 59 | 
> | 
  data = info->getProperty(ZCONSFILENAME_ID); | 
| 60 | 
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  if(!data) { | 
| 61 | 
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 | 
| 62 | 
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       | 
| 86 | 
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 | 
| 87 | 
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  } | 
| 88 | 
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 | 
| 89 | 
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  | 
| 90 | 
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  //calculate reference z coordinate for z-constraint molecules | 
| 126 | 
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  double totalMass_local; | 
| 127 | 
< | 
  double totalMass; | 
| 128 | 
< | 
  double totalMZ_local; | 
| 129 | 
< | 
  double totalMZ; | 
| 130 | 
< | 
  double massOfUncons_local; | 
| 131 | 
< | 
  double massOfCurMol; | 
| 132 | 
< | 
  double COM[3]; | 
| 89 | 
> | 
  //retrieve tolerance for z-constraint molecuels | 
| 90 | 
> | 
  data = info->getProperty(ZCONSTOL_ID); | 
| 91 | 
  | 
   | 
| 92 | 
< | 
  totalMass_local = 0; | 
| 93 | 
< | 
  totalMass = 0; | 
| 94 | 
< | 
  totalMZ_local = 0; | 
| 95 | 
< | 
  totalMZ = 0; | 
| 96 | 
< | 
  massOfUncons_local = 0; | 
| 97 | 
< | 
     | 
| 140 | 
< | 
   | 
| 141 | 
< | 
  for(int i = 0; i < nMols; i++){ | 
| 142 | 
< | 
    massOfCurMol = molecules[i].getTotalMass();  | 
| 143 | 
< | 
    molecules[i].getCOM(COM);  | 
| 144 | 
< | 
      | 
| 145 | 
< | 
    totalMass_local += massOfCurMol; | 
| 146 | 
< | 
    totalMZ_local += massOfCurMol * COM[2]; | 
| 147 | 
< | 
     | 
| 148 | 
< | 
    if(isZConstraintMol(&molecules[i]) == -1){ | 
| 149 | 
< | 
     | 
| 150 | 
< | 
      massOfUncons_local += massOfCurMol; | 
| 151 | 
< | 
    }   | 
| 152 | 
< | 
     | 
| 92 | 
> | 
  if(!data) { | 
| 93 | 
> | 
       | 
| 94 | 
> | 
    sprintf( painCave.errMsg, | 
| 95 | 
> | 
               "ZConstraint error: can not get tolerance \n"); | 
| 96 | 
> | 
    painCave.isFatal = 1; | 
| 97 | 
> | 
    simError();       | 
| 98 | 
  | 
  } | 
| 99 | 
+ | 
  else{ | 
| 100 | 
  | 
   | 
| 101 | 
< | 
   | 
| 102 | 
< | 
#ifdef IS_MPI   | 
| 103 | 
< | 
  MPI_Allreduce(&totalMass_local, &totalMass, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 158 | 
< | 
  MPI_Allreduce(&totalMZ_local, &totalMZ, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);   | 
| 159 | 
< | 
  MPI_Allreduce(&massOfUncons_local, &totalMassOfUncons, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 160 | 
< | 
#else | 
| 161 | 
< | 
  totalMass = totalMass_local; | 
| 162 | 
< | 
  totalMZ = totalMZ_local; | 
| 163 | 
< | 
  totalMassOfUncons = massOfUncons_local; | 
| 164 | 
< | 
#endif   | 
| 101 | 
> | 
    tolerance = dynamic_cast<DoubleData*>(data); | 
| 102 | 
> | 
      | 
| 103 | 
> | 
    if(!tolerance){ | 
| 104 | 
  | 
 | 
| 105 | 
< | 
  double zsys; | 
| 106 | 
< | 
  zsys = totalMZ / totalMass; | 
| 107 | 
< | 
 | 
| 108 | 
< | 
#ifndef IS_MPI   | 
| 109 | 
< | 
  for(int i = 0; i < nMols; i++){ | 
| 171 | 
< | 
     | 
| 172 | 
< | 
    if(isZConstraintMol(&molecules[i]) > -1 ){ | 
| 173 | 
< | 
      molecules[i].getCOM(COM);  | 
| 174 | 
< | 
      allRefZ.push_back(COM[2] - zsys);   | 
| 105 | 
> | 
      sprintf( painCave.errMsg, | 
| 106 | 
> | 
                 "ZConstraint error: Can not get property from SimInfo\n"); | 
| 107 | 
> | 
      painCave.isFatal = 1; | 
| 108 | 
> | 
      simError();   | 
| 109 | 
> | 
        | 
| 110 | 
  | 
    } | 
| 111 | 
< | 
     | 
| 111 | 
> | 
    else{ | 
| 112 | 
> | 
      this->zconsTol = tolerance->getData(); | 
| 113 | 
> | 
    } | 
| 114 | 
> | 
 | 
| 115 | 
  | 
  } | 
| 116 | 
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#else | 
| 117 | 
< | 
  | 
| 118 | 
< | 
  int whichNode; | 
| 119 | 
< | 
  enum CommType { RequestMolZPos, EndOfRequest} status; | 
| 120 | 
< | 
  //int status; | 
| 121 | 
< | 
  double zpos; | 
| 122 | 
< | 
  int localIndex; | 
| 123 | 
< | 
  MPI_Status ierr; | 
| 124 | 
< | 
  int tag = 0; | 
| 125 | 
< | 
   | 
| 188 | 
< | 
  if(worldRank == 0){ | 
| 189 | 
< | 
     | 
| 190 | 
< | 
    int globalIndexOfCurMol; | 
| 191 | 
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    int *MolToProcMap; | 
| 192 | 
< | 
    MolToProcMap = mpiSim->getMolToProcMap(); | 
| 193 | 
< | 
     | 
| 194 | 
< | 
    for(int i = 0; i < indexOfAllZConsMols.size(); i++){ | 
| 195 | 
< | 
       | 
| 196 | 
< | 
      whichNode = MolToProcMap[indexOfAllZConsMols[i]]; | 
| 197 | 
< | 
      globalIndexOfCurMol = indexOfAllZConsMols[i]; | 
| 198 | 
< | 
       | 
| 199 | 
< | 
      if(whichNode == 0){ | 
| 200 | 
< | 
         | 
| 201 | 
< | 
        for(int j = 0; j < nMols; j++) | 
| 202 | 
< | 
          if(molecules[j].getGlobalIndex() == globalIndexOfCurMol){ | 
| 203 | 
< | 
            localIndex = j; | 
| 204 | 
< | 
            break; | 
| 205 | 
< | 
          } | 
| 206 | 
< | 
                   | 
| 207 | 
< | 
        molecules[localIndex].getCOM(COM); | 
| 208 | 
< | 
        allRefZ.push_back(COM[2] - zsys);   | 
| 209 | 
< | 
               | 
| 210 | 
< | 
      } | 
| 211 | 
< | 
      else{ | 
| 212 | 
< | 
        status = RequestMolZPos; | 
| 213 | 
< | 
        MPI_Send(&status, 1, MPI_INT, whichNode, tag, MPI_COMM_WORLD); | 
| 214 | 
< | 
        MPI_Send(&globalIndexOfCurMol, 1, MPI_INT, whichNode, tag, MPI_COMM_WORLD); | 
| 215 | 
< | 
        MPI_Recv(&zpos, 1, MPI_DOUBLE_PRECISION, whichNode, tag, MPI_COMM_WORLD, &ierr); | 
| 216 | 
< | 
         | 
| 217 | 
< | 
        allRefZ.push_back(zpos - zsys); | 
| 218 | 
< | 
       | 
| 219 | 
< | 
      } | 
| 220 | 
< | 
               | 
| 221 | 
< | 
    } //End of Request Loop | 
| 222 | 
< | 
     | 
| 223 | 
< | 
    //Send ending request message to slave nodes     | 
| 224 | 
< | 
    status = EndOfRequest; | 
| 225 | 
< | 
    for(int i =1; i < mpiSim->getNumberProcessors(); i++) | 
| 226 | 
< | 
      MPI_Send(&status, 1, MPI_INT, i, tag, MPI_COMM_WORLD); | 
| 227 | 
< | 
      | 
| 116 | 
> | 
         | 
| 117 | 
> | 
  //retrieve index of z-constraint molecules | 
| 118 | 
> | 
  data = info->getProperty(ZCONSPARADATA_ID); | 
| 119 | 
> | 
  if(!data) { | 
| 120 | 
> | 
 | 
| 121 | 
> | 
    sprintf( painCave.errMsg, | 
| 122 | 
> | 
               "ZConstraint error: If you use an ZConstraint\n" | 
| 123 | 
> | 
               " , you must set index of z-constraint molecules.\n"); | 
| 124 | 
> | 
    painCave.isFatal = 1; | 
| 125 | 
> | 
    simError();   | 
| 126 | 
  | 
  } | 
| 127 | 
  | 
  else{ | 
| 128 | 
  | 
   | 
| 129 | 
< | 
    int whichMol; | 
| 232 | 
< | 
    bool done = false; | 
| 233 | 
< | 
 | 
| 234 | 
< | 
    while (!done){   | 
| 235 | 
< | 
       | 
| 236 | 
< | 
      MPI_Recv(&status, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &ierr); | 
| 129 | 
> | 
    zConsParaData = dynamic_cast<ZConsParaData*>(data); | 
| 130 | 
  | 
     | 
| 131 | 
< | 
      switch (status){ | 
| 132 | 
< | 
           | 
| 133 | 
< | 
        case RequestMolZPos :  | 
| 134 | 
< | 
           | 
| 135 | 
< | 
          MPI_Recv(&whichMol, 1, MPI_INT, 0, tag, MPI_COMM_WORLD,&ierr); | 
| 136 | 
< | 
           | 
| 137 | 
< | 
          for(int i = 0; i < nMols; i++) | 
| 245 | 
< | 
            if(molecules[i].getGlobalIndex() == whichMol){ | 
| 246 | 
< | 
              localIndex = i; | 
| 247 | 
< | 
              break; | 
| 248 | 
< | 
            } | 
| 249 | 
< | 
           | 
| 250 | 
< | 
          molecules[localIndex].getCOM(COM); | 
| 251 | 
< | 
          zpos = COM[2];           | 
| 252 | 
< | 
          MPI_Send(&zpos, 1, MPI_DOUBLE_PRECISION, 0, tag, MPI_COMM_WORLD);        | 
| 253 | 
< | 
           | 
| 254 | 
< | 
          break; | 
| 255 | 
< | 
              | 
| 256 | 
< | 
        case EndOfRequest : | 
| 257 | 
< | 
          | 
| 258 | 
< | 
         done = true; | 
| 259 | 
< | 
         break; | 
| 260 | 
< | 
      } | 
| 261 | 
< | 
       | 
| 131 | 
> | 
    if(!zConsParaData){ | 
| 132 | 
> | 
 | 
| 133 | 
> | 
      sprintf( painCave.errMsg, | 
| 134 | 
> | 
                 "ZConstraint error: Can not get parameters of zconstraint method from SimInfo\n"); | 
| 135 | 
> | 
      painCave.isFatal = 1; | 
| 136 | 
> | 
      simError();   | 
| 137 | 
> | 
     | 
| 138 | 
  | 
    } | 
| 139 | 
< | 
           | 
| 140 | 
< | 
  } | 
| 139 | 
> | 
    else{ | 
| 140 | 
> | 
        | 
| 141 | 
> | 
      parameters = zConsParaData->getData(); | 
| 142 | 
  | 
 | 
| 143 | 
< | 
  //Brocast the allRefZ to slave nodes; | 
| 144 | 
< | 
  double* allRefZBuf; | 
| 145 | 
< | 
  int nZConsMols; | 
| 269 | 
< | 
  nZConsMols = indexOfAllZConsMols.size(); | 
| 270 | 
< | 
   | 
| 271 | 
< | 
  allRefZBuf = new double[nZConsMols]; | 
| 272 | 
< | 
   | 
| 273 | 
< | 
  if(worldRank == 0){ | 
| 143 | 
> | 
      //check the range of zconsIndex | 
| 144 | 
> | 
      //and the minimum value of index is the first one (we already sorted the data) | 
| 145 | 
> | 
      //the maximum value of index is the last one | 
| 146 | 
  | 
 | 
| 147 | 
< | 
    for(int i = 0; i < nZConsMols; i++) | 
| 148 | 
< | 
      allRefZBuf[i] = allRefZ[i]; | 
| 149 | 
< | 
  }     | 
| 150 | 
< | 
    | 
| 151 | 
< | 
    MPI_Bcast(allRefZBuf, nZConsMols, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD); | 
| 152 | 
< | 
   | 
| 153 | 
< | 
  if(worldRank != 0){ | 
| 154 | 
< | 
     | 
| 155 | 
< | 
    for(int i = 0; i < nZConsMols; i++) | 
| 156 | 
< | 
      allRefZ.push_back(allRefZBuf[i]);   | 
| 157 | 
< | 
  } | 
| 158 | 
< | 
   | 
| 159 | 
< | 
  delete[] allRefZBuf; | 
| 147 | 
> | 
      int maxIndex; | 
| 148 | 
> | 
      int minIndex; | 
| 149 | 
> | 
      int totalNumMol; | 
| 150 | 
> | 
 | 
| 151 | 
> | 
      minIndex = (*parameters)[0].zconsIndex; | 
| 152 | 
> | 
      if(minIndex < 0){ | 
| 153 | 
> | 
        sprintf( painCave.errMsg, | 
| 154 | 
> | 
               "ZConstraint error: index is out of range\n"); | 
| 155 | 
> | 
        painCave.isFatal = 1; | 
| 156 | 
> | 
        simError();  | 
| 157 | 
> | 
        } | 
| 158 | 
> | 
 | 
| 159 | 
> | 
      maxIndex = (*parameters)[parameters->size()].zconsIndex; | 
| 160 | 
> | 
 | 
| 161 | 
> | 
#ifndef IS_MPI | 
| 162 | 
> | 
      totalNumMol = nMols; | 
| 163 | 
> | 
#else | 
| 164 | 
> | 
      totalNumMol = mpiSim->getTotNmol();    | 
| 165 | 
> | 
#endif       | 
| 166 | 
> | 
       | 
| 167 | 
> | 
      if(maxIndex > totalNumMol - 1){ | 
| 168 | 
> | 
        sprintf( painCave.errMsg, | 
| 169 | 
> | 
               "ZConstraint error: index is out of range\n"); | 
| 170 | 
> | 
        painCave.isFatal = 1; | 
| 171 | 
> | 
        simError();                   | 
| 172 | 
> | 
      } | 
| 173 | 
> | 
 | 
| 174 | 
> | 
      //if user does not specify the zpos for the zconstraint molecule | 
| 175 | 
> | 
      //its initial z coordinate  will be used as default | 
| 176 | 
> | 
      for(int i = 0; i < parameters->size(); i++){ | 
| 177 | 
> | 
 | 
| 178 | 
> | 
              if(!(*parameters)[i].havingZPos){ | 
| 179 | 
> | 
 | 
| 180 | 
> | 
#ifndef IS_MPI | 
| 181 | 
> | 
            for(int j = 0; j < nMols; j++){ | 
| 182 | 
> | 
              if (molecules[i].getGlobalIndex() == (*parameters)[i].zconsIndex){ | 
| 183 | 
> | 
                 molecules[i].getCOM(COM); | 
| 184 | 
> | 
                          break;  | 
| 185 | 
> | 
              } | 
| 186 | 
> | 
            } | 
| 187 | 
> | 
#else | 
| 188 | 
> | 
            //query which processor current zconstraint molecule belongs to | 
| 189 | 
> | 
           int *MolToProcMap; | 
| 190 | 
> | 
           int whichNode; | 
| 191 | 
> | 
                         double initZPos; | 
| 192 | 
> | 
           MolToProcMap = mpiSim->getMolToProcMap(); | 
| 193 | 
> | 
           whichNode = MolToProcMap[(*parameters)[i].zconsIndex]; | 
| 194 | 
> | 
                           | 
| 195 | 
> | 
           //broadcast the zpos of current z-contraint molecule | 
| 196 | 
> | 
           //the node which contain this  | 
| 197 | 
> | 
            | 
| 198 | 
> | 
           if (worldRank == whichNode ){ | 
| 199 | 
> | 
                                                 | 
| 200 | 
> | 
             for(int i = 0; i < nMols; i++) | 
| 201 | 
> | 
               if (molecules[i].getGlobalIndex() == (*parameters)[i].zconsIndex){ | 
| 202 | 
> | 
                 molecules[i].getCOM(COM); | 
| 203 | 
> | 
                                         break;  | 
| 204 | 
> | 
               } | 
| 205 | 
> | 
                                  | 
| 206 | 
> | 
           } | 
| 207 | 
> | 
 | 
| 208 | 
> | 
            MPI_Bcast(&COM[whichDirection], 1, MPI_DOUBLE_PRECISION, whichNode, MPI_COMM_WORLD);                           | 
| 209 | 
  | 
#endif | 
| 210 | 
+ | 
             | 
| 211 | 
+ | 
                 (*parameters)[i].zPos = COM[whichDirection]; | 
| 212 | 
  | 
 | 
| 213 | 
< | 
   | 
| 213 | 
> | 
            sprintf( painCave.errMsg, | 
| 214 | 
> | 
                     "ZConstraint warningr: Does not specify zpos for z-constraint molecule " | 
| 215 | 
> | 
                     "initial z coornidate will be used \n"); | 
| 216 | 
> | 
            painCave.isFatal = 0; | 
| 217 | 
> | 
            simError();   | 
| 218 | 
> | 
           | 
| 219 | 
> | 
              } | 
| 220 | 
> | 
            } | 
| 221 | 
> | 
                         | 
| 222 | 
> | 
    }//end if (!zConsParaData) | 
| 223 | 
> | 
  }//end  if (!data) | 
| 224 | 
> | 
              | 
| 225 | 
> | 
//   | 
| 226 | 
  | 
#ifdef IS_MPI | 
| 227 | 
  | 
  update();  | 
| 228 | 
  | 
#else   | 
| 229 | 
  | 
  int searchResult; | 
| 230 | 
< | 
   | 
| 296 | 
< | 
  refZ = allRefZ; | 
| 297 | 
< | 
 | 
| 230 | 
> | 
       | 
| 231 | 
  | 
  for(int i = 0; i < nMols; i++){ | 
| 232 | 
  | 
     | 
| 233 | 
  | 
    searchResult = isZConstraintMol(&molecules[i]);  | 
| 236 | 
  | 
     | 
| 237 | 
  | 
      zconsMols.push_back(&molecules[i]);       | 
| 238 | 
  | 
      massOfZConsMols.push_back(molecules[i].getTotalMass());   | 
| 239 | 
< | 
        | 
| 239 | 
> | 
 | 
| 240 | 
> | 
      zPos.push_back((*parameters)[searchResult].zPos); | 
| 241 | 
> | 
           kz.push_back((*parameters)[searchResult]. kRatio * zForceConst); | 
| 242 | 
> | 
       | 
| 243 | 
  | 
      molecules[i].getCOM(COM); | 
| 244 | 
  | 
    } | 
| 245 | 
  | 
    else | 
| 265 | 
  | 
    indexOfZConsMols[i] = zconsMols[i]->getGlobalIndex(); | 
| 266 | 
  | 
   | 
| 267 | 
  | 
#endif  | 
| 268 | 
< | 
   | 
| 268 | 
> | 
 | 
| 269 | 
> | 
  //get total number of unconstrained atoms | 
| 270 | 
> | 
  int nUnconsAtoms_local; | 
| 271 | 
> | 
  nUnconsAtoms_local = 0; | 
| 272 | 
> | 
  for(int i = 0; i < unconsMols.size(); i++) | 
| 273 | 
> | 
    nUnconsAtoms_local += unconsMols[i]->getNAtoms(); | 
| 274 | 
> | 
     | 
| 275 | 
> | 
#ifndef IS_MPI | 
| 276 | 
> | 
  totNumOfUnconsAtoms = nUnconsAtoms_local; | 
| 277 | 
> | 
#else | 
| 278 | 
> | 
  MPI_Allreduce(&nUnconsAtoms_local, &totNumOfUnconsAtoms, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);   | 
| 279 | 
> | 
#endif | 
| 280 | 
> | 
 | 
| 281 | 
> | 
  checkZConsState(); | 
| 282 | 
> | 
 | 
| 283 | 
> | 
  //   | 
| 284 | 
  | 
  fzOut = new ZConsWriter(zconsOutput.c_str());    | 
| 285 | 
  | 
   | 
| 286 | 
  | 
  if(!fzOut){ | 
| 290 | 
  | 
    simError(); | 
| 291 | 
  | 
  } | 
| 292 | 
  | 
   | 
| 342 | 
– | 
  fzOut->writeRefZ(indexOfAllZConsMols, allRefZ); | 
| 293 | 
  | 
} | 
| 294 | 
  | 
 | 
| 295 | 
  | 
template<typename T> ZConstraint<T>::~ZConstraint() | 
| 312 | 
  | 
   | 
| 313 | 
  | 
  zconsMols.clear(); | 
| 314 | 
  | 
  massOfZConsMols.clear(); | 
| 315 | 
< | 
  refZ.clear(); | 
| 315 | 
> | 
  zPos.clear(); | 
| 316 | 
> | 
  kz.clear(); | 
| 317 | 
  | 
   | 
| 318 | 
  | 
  unconsMols.clear(); | 
| 319 | 
  | 
  massOfUnconsMols.clear(); | 
| 327 | 
  | 
    if(index > -1){ | 
| 328 | 
  | 
     | 
| 329 | 
  | 
      zconsMols.push_back(&molecules[i]);       | 
| 330 | 
+ | 
      zPos.push_back((*parameters)[index].zPos); | 
| 331 | 
+ | 
        kz.push_back((*parameters)[index].kRatio * zForceConst); | 
| 332 | 
+ | 
 | 
| 333 | 
  | 
      massOfZConsMols.push_back(molecules[i].getTotalMass());   | 
| 334 | 
  | 
        | 
| 335 | 
  | 
      molecules[i].getCOM(COM); | 
| 382 | 
– | 
      refZ.push_back(allRefZ[index]);       | 
| 336 | 
  | 
    } | 
| 337 | 
  | 
    else | 
| 338 | 
  | 
    { | 
| 394 | 
  | 
  index = mol->getGlobalIndex(); | 
| 395 | 
  | 
   | 
| 396 | 
  | 
  low = 0; | 
| 397 | 
< | 
  high = indexOfAllZConsMols.size() - 1; | 
| 397 | 
> | 
  high = parameters->size() - 1; | 
| 398 | 
  | 
   | 
| 399 | 
  | 
  //Binary Search (we have sorted the array)   | 
| 400 | 
  | 
  while(low <= high){ | 
| 401 | 
  | 
    mid = (low + high) /2; | 
| 402 | 
< | 
    if (indexOfAllZConsMols[mid] == index) | 
| 402 | 
> | 
    if ((*parameters)[mid].zconsIndex == index) | 
| 403 | 
  | 
      return mid; | 
| 404 | 
< | 
    else if (indexOfAllZConsMols[mid] > index ) | 
| 404 | 
> | 
    else if ((*parameters)[mid].zconsIndex > index ) | 
| 405 | 
  | 
       high = mid -1; | 
| 406 | 
  | 
    else      | 
| 407 | 
  | 
      low = mid + 1;  | 
| 410 | 
  | 
  return -1; | 
| 411 | 
  | 
} | 
| 412 | 
  | 
 | 
| 413 | 
< | 
/** Function Name: integrateStep | 
| 414 | 
< | 
 ** Parameter: | 
| 415 | 
< | 
 **   int calcPot; | 
| 463 | 
< | 
 **   int calcStress; | 
| 464 | 
< | 
 ** Description: | 
| 465 | 
< | 
 **  Advance One Step. | 
| 466 | 
< | 
 ** Memo: | 
| 467 | 
< | 
 **   The best way to implement z-constraint is to override integrateStep | 
| 468 | 
< | 
 **   Overriding constrainB is not a good choice, since in integrateStep, | 
| 469 | 
< | 
 **   constrainB is invoked by below line, | 
| 470 | 
< | 
 **                  if(nConstrained) constrainB(); | 
| 471 | 
< | 
 **   For instance, we would like to apply z-constraint without bond contrain, | 
| 472 | 
< | 
 **   In that case, if we override constrainB, Z-constrain method will never be executed; | 
| 413 | 
> | 
/**  | 
| 414 | 
> | 
 * Description: | 
| 415 | 
> | 
 *  Reset the z coordinates | 
| 416 | 
  | 
 */ | 
| 417 | 
< | 
template<typename T> void ZConstraint<T>::integrateStep( int calcPot, int calcStress ) | 
| 475 | 
< | 
{ | 
| 476 | 
< | 
  T::integrateStep( calcPot, calcStress ); | 
| 477 | 
< | 
  resetZ(); | 
| 417 | 
> | 
template<typename T> void ZConstraint<T>::integrate(){ | 
| 418 | 
  | 
   | 
| 419 | 
< | 
  double currZConsTime = 0; | 
| 420 | 
< | 
    | 
| 421 | 
< | 
  //write out forces of z constraint | 
| 422 | 
< | 
  if( info->getTime() >= currZConsTime){    | 
| 423 | 
< | 
      fzOut->writeFZ(info->getTime(), zconsMols.size(),indexOfZConsMols, fz);  | 
| 424 | 
< | 
  }      | 
| 419 | 
> | 
  //zero out the velocities of center of mass of unconstrained molecules  | 
| 420 | 
> | 
  //and the velocities of center of mass of every single z-constrained molecueles | 
| 421 | 
> | 
  zeroOutVel(); | 
| 422 | 
> | 
   | 
| 423 | 
> | 
  T::integrate(); | 
| 424 | 
> | 
 | 
| 425 | 
  | 
} | 
| 426 | 
+ | 
  | 
| 427 | 
  | 
 | 
| 428 | 
< | 
/** Function Name: resetZ | 
| 429 | 
< | 
 ** Description: | 
| 430 | 
< | 
 **  Reset the z coordinates | 
| 428 | 
> | 
/** | 
| 429 | 
> | 
 * | 
| 430 | 
> | 
 * | 
| 431 | 
> | 
 * | 
| 432 | 
> | 
 * | 
| 433 | 
  | 
 */ | 
| 434 | 
  | 
 | 
| 435 | 
< | 
template<typename T> void ZConstraint<T>::resetZ() | 
| 436 | 
< | 
{ | 
| 435 | 
> | 
  | 
| 436 | 
> | 
template<typename T> void ZConstraint<T>::calcForce(int calcPot, int calcStress){ | 
| 437 | 
  | 
 | 
| 438 | 
< | 
  double pos[3]; | 
| 439 | 
< | 
  double deltaZ; | 
| 440 | 
< | 
  double mzOfZCons;   //total sum of m*z of z-constrain molecules | 
| 441 | 
< | 
  double mzOfUncons; //total sum of m*z of unconstrain molecuels; | 
| 442 | 
< | 
  double totalMZOfZCons; | 
| 443 | 
< | 
  double totalMZOfUncons; | 
| 438 | 
> | 
  T::calcForce(calcPot, calcStress); | 
| 439 | 
> | 
 | 
| 440 | 
> | 
  if (checkZConsState()) | 
| 441 | 
> | 
    zeroOutVel(); | 
| 442 | 
> | 
 | 
| 443 | 
> | 
  //do zconstraint force;  | 
| 444 | 
> | 
  if (haveFixedZMols()) | 
| 445 | 
> | 
    this->doZconstraintForce(); | 
| 446 | 
> | 
   | 
| 447 | 
> | 
  //use harmonical poteintial to move the molecules to the specified positions | 
| 448 | 
> | 
  if (haveMovingZMols()) | 
| 449 | 
> | 
    //this->doHarmonic(); | 
| 450 | 
> | 
    | 
| 451 | 
> | 
  fzOut->writeFZ(info->getTime(), zconsMols.size(),indexOfZConsMols, fz); | 
| 452 | 
> | 
       | 
| 453 | 
> | 
} | 
| 454 | 
> | 
  | 
| 455 | 
> | 
template<typename T> double ZConstraint<T>::calcZSys() | 
| 456 | 
> | 
{ | 
| 457 | 
> | 
  //calculate reference z coordinate for z-constraint molecules | 
| 458 | 
> | 
  double totalMass_local; | 
| 459 | 
> | 
  double totalMass; | 
| 460 | 
> | 
  double totalMZ_local; | 
| 461 | 
> | 
  double totalMZ; | 
| 462 | 
> | 
  double massOfUncons_local; | 
| 463 | 
> | 
  double massOfCurMol; | 
| 464 | 
  | 
  double COM[3]; | 
| 465 | 
+ | 
   | 
| 466 | 
+ | 
  totalMass_local = 0; | 
| 467 | 
+ | 
  totalMass = 0; | 
| 468 | 
+ | 
  totalMZ_local = 0; | 
| 469 | 
+ | 
  totalMZ = 0; | 
| 470 | 
+ | 
  massOfUncons_local = 0; | 
| 471 | 
+ | 
     | 
| 472 | 
+ | 
   | 
| 473 | 
+ | 
  for(int i = 0; i < nMols; i++){ | 
| 474 | 
+ | 
    massOfCurMol = molecules[i].getTotalMass();  | 
| 475 | 
+ | 
    molecules[i].getCOM(COM);  | 
| 476 | 
+ | 
      | 
| 477 | 
+ | 
    totalMass_local += massOfCurMol; | 
| 478 | 
+ | 
    totalMZ_local += massOfCurMol * COM[whichDirection]; | 
| 479 | 
+ | 
     | 
| 480 | 
+ | 
    if(isZConstraintMol(&molecules[i]) == -1){ | 
| 481 | 
+ | 
     | 
| 482 | 
+ | 
      massOfUncons_local += massOfCurMol; | 
| 483 | 
+ | 
    }   | 
| 484 | 
+ | 
     | 
| 485 | 
+ | 
  } | 
| 486 | 
+ | 
   | 
| 487 | 
+ | 
   | 
| 488 | 
+ | 
#ifdef IS_MPI   | 
| 489 | 
+ | 
  MPI_Allreduce(&totalMass_local, &totalMass, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 490 | 
+ | 
  MPI_Allreduce(&totalMZ_local, &totalMZ, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);   | 
| 491 | 
+ | 
  MPI_Allreduce(&massOfUncons_local, &totalMassOfUncons, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 492 | 
+ | 
#else | 
| 493 | 
+ | 
  totalMass = totalMass_local; | 
| 494 | 
+ | 
  totalMZ = totalMZ_local; | 
| 495 | 
+ | 
  totalMassOfUncons = massOfUncons_local; | 
| 496 | 
+ | 
#endif   | 
| 497 | 
+ | 
 | 
| 498 | 
  | 
  double zsys; | 
| 499 | 
< | 
  Atom** zconsAtoms; | 
| 499 | 
> | 
  zsys = totalMZ / totalMass; | 
| 500 | 
  | 
 | 
| 501 | 
< | 
  mzOfZCons = 0; | 
| 502 | 
< | 
  mzOfUncons  = 0; | 
| 501 | 
> | 
  return zsys; | 
| 502 | 
> | 
} | 
| 503 | 
> | 
 | 
| 504 | 
> | 
/** | 
| 505 | 
> | 
 * | 
| 506 | 
> | 
 */ | 
| 507 | 
> | 
template<typename T> void ZConstraint<T>::thermalize( void ){ | 
| 508 | 
> | 
 | 
| 509 | 
> | 
  T::thermalize(); | 
| 510 | 
> | 
  zeroOutVel(); | 
| 511 | 
> | 
} | 
| 512 | 
> | 
 | 
| 513 | 
> | 
/** | 
| 514 | 
> | 
 * | 
| 515 | 
> | 
 * | 
| 516 | 
> | 
 * | 
| 517 | 
> | 
 */ | 
| 518 | 
> | 
 | 
| 519 | 
> | 
template<typename T> void ZConstraint<T>::zeroOutVel(){ | 
| 520 | 
> | 
 | 
| 521 | 
> | 
  Atom** fixedZAtoms;   | 
| 522 | 
> | 
  double COMvel[3]; | 
| 523 | 
> | 
  double vel[3]; | 
| 524 | 
  | 
   | 
| 525 | 
+ | 
  //zero out the velocities of center of mass of fixed z-constrained molecules | 
| 526 | 
+ | 
   | 
| 527 | 
  | 
  for(int i = 0; i < zconsMols.size(); i++){ | 
| 528 | 
< | 
    mzOfZCons += massOfZConsMols[i] * refZ[i];     | 
| 528 | 
> | 
 | 
| 529 | 
> | 
    if (states[i] == zcsFixed){  | 
| 530 | 
> | 
 | 
| 531 | 
> | 
        zconsMols[i]->getCOMvel(COMvel);       | 
| 532 | 
> | 
      fixedZAtoms = zconsMols[i]->getMyAtoms();  | 
| 533 | 
> | 
           | 
| 534 | 
> | 
      for(int j =0; j < zconsMols[i]->getNAtoms(); j++){ | 
| 535 | 
> | 
        fixedZAtoms[j]->getVel(vel); | 
| 536 | 
> | 
          vel[whichDirection] -= COMvel[whichDirection]; | 
| 537 | 
> | 
          fixedZAtoms[j]->setVel(vel); | 
| 538 | 
> | 
      } | 
| 539 | 
> | 
           | 
| 540 | 
> | 
    } | 
| 541 | 
> | 
         | 
| 542 | 
  | 
  } | 
| 543 | 
+ | 
   | 
| 544 | 
+ | 
  // calculate the vz of center of mass of unconstrained molecules and moving z-constrained molecules | 
| 545 | 
+ | 
  double MVzOfMovingMols_local; | 
| 546 | 
+ | 
  double MVzOfMovingMols; | 
| 547 | 
+ | 
  double totalMassOfMovingZMols_local; | 
| 548 | 
+ | 
  double totalMassOfMovingZMols; | 
| 549 | 
+ | 
       | 
| 550 | 
+ | 
  MVzOfMovingMols_local = 0; | 
| 551 | 
+ | 
  totalMassOfMovingZMols_local = 0; | 
| 552 | 
  | 
 | 
| 553 | 
< | 
#ifdef IS_MPI | 
| 554 | 
< | 
  MPI_Allreduce(&mzOfZCons, &totalMZOfZCons, 1,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 553 | 
> | 
  for(int i =0; i < unconsMols.size(); i++){ | 
| 554 | 
> | 
    unconsMols[i]->getCOMvel(COMvel); | 
| 555 | 
> | 
    MVzOfMovingMols_local += massOfUnconsMols[i] * COMvel[whichDirection];       | 
| 556 | 
> | 
  }  | 
| 557 | 
> | 
 | 
| 558 | 
> | 
  for(int i = 0; i < zconsMols[i]->getNAtoms(); i++){ | 
| 559 | 
> | 
 | 
| 560 | 
> | 
    if (states[i] == zcsMoving){ | 
| 561 | 
> | 
      zconsMols[i]->getCOMvel(COMvel); | 
| 562 | 
> | 
      MVzOfMovingMols_local += massOfZConsMols[i] * COMvel[whichDirection];    | 
| 563 | 
> | 
      totalMassOfMovingZMols_local += massOfZConsMols[i];                | 
| 564 | 
> | 
    } | 
| 565 | 
> | 
                 | 
| 566 | 
> | 
  } | 
| 567 | 
> | 
 | 
| 568 | 
> | 
#ifndef IS_MPI | 
| 569 | 
> | 
  MVzOfMovingMols = MVzOfMovingMols_local; | 
| 570 | 
> | 
  totalMassOfMovingZMols = totalMassOfMovingZMols_local; | 
| 571 | 
  | 
#else | 
| 572 | 
< | 
  totalMZOfZCons = mzOfZCons; | 
| 572 | 
> | 
  MPI_Allreduce(&MVzOfMovingMols_local, &MVzOfMovingMols, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 573 | 
> | 
  MPI_Allreduce(&totalMassOfMovingZMols_local, &totalMassOfMovingZMols, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);   | 
| 574 | 
  | 
#endif | 
| 575 | 
  | 
 | 
| 576 | 
+ | 
  double vzOfMovingMols; | 
| 577 | 
+ | 
  vzOfMovingMols = MVzOfMovingMols / (totalMassOfUncons + totalMassOfMovingZMols); | 
| 578 | 
+ | 
 | 
| 579 | 
+ | 
  //modify the velocites of unconstrained molecules   | 
| 580 | 
+ | 
  Atom** unconsAtoms; | 
| 581 | 
  | 
  for(int i = 0; i < unconsMols.size(); i++){ | 
| 519 | 
– | 
    unconsMols[i]->getCOM(COM); | 
| 520 | 
– | 
    mzOfUncons += massOfUnconsMols[i] * COM[2]; | 
| 521 | 
– | 
  } | 
| 582 | 
  | 
   | 
| 583 | 
< | 
#ifdef IS_MPI | 
| 584 | 
< | 
  MPI_Allreduce(&mzOfUncons, &totalMZOfUncons, 1,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 585 | 
< | 
#else | 
| 586 | 
< | 
  totalMZOfUncons = mzOfUncons; | 
| 587 | 
< | 
#endif   | 
| 583 | 
> | 
    unconsAtoms = unconsMols[i]->getMyAtoms(); | 
| 584 | 
> | 
    for(int j = 0; j < unconsMols[i]->getNAtoms();j++){ | 
| 585 | 
> | 
      unconsAtoms[j]->getVel(vel); | 
| 586 | 
> | 
      vel[whichDirection] -= vzOfMovingMols; | 
| 587 | 
> | 
      unconsAtoms[j]->setVel(vel); | 
| 588 | 
> | 
    } | 
| 589 | 
  | 
   | 
| 590 | 
< | 
  zsys = (totalMZOfZCons + totalMZOfUncons) /totalMassOfUncons;  | 
| 591 | 
< | 
  | 
| 592 | 
< | 
  for(int i = 0; i < zconsMols.size(); i++){    | 
| 590 | 
> | 
  }   | 
| 591 | 
> | 
 | 
| 592 | 
> | 
  //modify the velocities of moving z-constrained molecuels | 
| 593 | 
> | 
  Atom** movingZAtoms; | 
| 594 | 
> | 
  for(int i = 0; i < zconsMols[i]->getNAtoms(); i++){ | 
| 595 | 
> | 
 | 
| 596 | 
> | 
    if (states[i] ==zcsMoving){ | 
| 597 | 
  | 
    | 
| 598 | 
< | 
    zconsMols[i]->getCOM(COM); | 
| 598 | 
> | 
      movingZAtoms = zconsMols[i]->getMyAtoms(); | 
| 599 | 
> | 
        for(int j = 0; j < zconsMols[i]->getNAtoms(); j++){ | 
| 600 | 
> | 
        movingZAtoms[j]->getVel(vel); | 
| 601 | 
> | 
        vel[whichDirection] -= vzOfMovingMols; | 
| 602 | 
> | 
          movingZAtoms[j]->setVel(vel); | 
| 603 | 
> | 
        } | 
| 604 | 
> | 
           | 
| 605 | 
> | 
    } | 
| 606 | 
> | 
 | 
| 607 | 
> | 
  } | 
| 608 | 
> | 
 | 
| 609 | 
> | 
} | 
| 610 | 
> | 
 | 
| 611 | 
> | 
template<typename T> void ZConstraint<T>::doZconstraintForce(){ | 
| 612 | 
> | 
 | 
| 613 | 
> | 
  Atom** zconsAtoms; | 
| 614 | 
> | 
  double totalFZ;  | 
| 615 | 
> | 
  double totalFZ_local; | 
| 616 | 
> | 
  double COMvel[3];    | 
| 617 | 
> | 
  double COM[3]; | 
| 618 | 
> | 
  double force[3]; | 
| 619 | 
> | 
  double zsys; | 
| 620 | 
> | 
 | 
| 621 | 
> | 
  int nMovingZMols_local; | 
| 622 | 
> | 
  int nMovingZMols; | 
| 623 | 
> | 
 | 
| 624 | 
> | 
  //constrain the molecules which do not reach the specified positions   | 
| 625 | 
> | 
 | 
| 626 | 
> | 
   zsys = calcZSys(); | 
| 627 | 
> | 
   cout <<"current time: " << info->getTime() <<"\tcenter of mass at z: " << zsys << endl;    | 
| 628 | 
  | 
     | 
| 629 | 
< | 
    deltaZ = zsys + refZ[i] - COM[2]; | 
| 630 | 
< | 
    //update z coordinate     | 
| 631 | 
< | 
    zconsAtoms = zconsMols[i]->getMyAtoms();     | 
| 632 | 
< | 
    for(int j =0; j < zconsMols[i]->getNAtoms(); j++){ | 
| 633 | 
< | 
      zconsAtoms[j]->getPos(pos); | 
| 634 | 
< | 
      pos[2] += deltaZ; | 
| 635 | 
< | 
      zconsAtoms[j]->setPos(pos);   | 
| 636 | 
< | 
    }     | 
| 629 | 
> | 
  //Zero Out the force of z-contrained molecules     | 
| 630 | 
> | 
  totalFZ_local = 0; | 
| 631 | 
> | 
 | 
| 632 | 
> | 
  //calculate the total z-contrained force of fixed z-contrained molecules | 
| 633 | 
> | 
  cout << "Fixed Molecules" << endl; | 
| 634 | 
> | 
  for(int i = 0; i < zconsMols.size(); i++){ | 
| 635 | 
> | 
                 | 
| 636 | 
> | 
    if (states[i] == zcsFixed){ | 
| 637 | 
> | 
                 | 
| 638 | 
> | 
      zconsMols[i]->getCOM(COM); | 
| 639 | 
> | 
      zconsAtoms = zconsMols[i]->getMyAtoms();   | 
| 640 | 
> | 
 | 
| 641 | 
> | 
      fz[i] = 0;       | 
| 642 | 
> | 
      for(int j =0; j < zconsMols[i]->getNAtoms(); j++) { | 
| 643 | 
> | 
        zconsAtoms[j]->getFrc(force); | 
| 644 | 
> | 
        fz[i] += force[whichDirection];       | 
| 645 | 
> | 
      }  | 
| 646 | 
> | 
      totalFZ_local += fz[i]; | 
| 647 | 
> | 
 | 
| 648 | 
> | 
      cout << "index: " << indexOfZConsMols[i] <<"\tcurrent zpos: " << COM[whichDirection] << endl; | 
| 649 | 
> | 
 | 
| 650 | 
> | 
    } | 
| 651 | 
> | 
           | 
| 652 | 
> | 
  }  | 
| 653 | 
> | 
 | 
| 654 | 
> | 
  //calculate the number of atoms of moving z-constrained molecules | 
| 655 | 
> | 
  nMovingZMols_local = 0; | 
| 656 | 
> | 
  for(int i = 0; zconsMols.size(); i++){ | 
| 657 | 
> | 
    if(states[i] == zcsMoving) | 
| 658 | 
> | 
        nMovingZMols_local += massOfZConsMols[i]; | 
| 659 | 
> | 
  } | 
| 660 | 
> | 
#ifdef IS_MPI | 
| 661 | 
> | 
  MPI_Allreduce(&totalFZ_local, &totalFZ, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 662 | 
> | 
  MPI_Allreduce(&nMovingZMols_local, &nMovingZMols, 1, MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD); | 
| 663 | 
> | 
#else | 
| 664 | 
> | 
  totalFZ = totalFZ_local; | 
| 665 | 
> | 
  nMovingZMols = nMovingZMols_local; | 
| 666 | 
> | 
#endif | 
| 667 | 
> | 
 | 
| 668 | 
> | 
  force[0]= 0; | 
| 669 | 
> | 
  force[1]= 0; | 
| 670 | 
> | 
  force[2]= 0; | 
| 671 | 
> | 
  force[whichDirection] = totalFZ / (totNumOfUnconsAtoms + nMovingZMols); | 
| 672 | 
> | 
 | 
| 673 | 
> | 
  //modify the velocites of unconstrained molecules | 
| 674 | 
> | 
  for(int i = 0; i < unconsMols.size(); i++){ | 
| 675 | 
> | 
      | 
| 676 | 
> | 
     Atom** unconsAtoms = unconsMols[i]->getMyAtoms(); | 
| 677 | 
> | 
      | 
| 678 | 
> | 
     for(int j = 0; j < unconsMols[i]->getNAtoms(); j++)           | 
| 679 | 
> | 
       unconsAtoms[j]->addFrc(force); | 
| 680 | 
> | 
      | 
| 681 | 
> | 
  }       | 
| 682 | 
> | 
 | 
| 683 | 
> | 
 //modify the velocities of moving z-constrained molecules | 
| 684 | 
> | 
  for(int i = 0; i < zconsMols.size(); i++) { | 
| 685 | 
> | 
   if (states[i] == zcsMoving){ | 
| 686 | 
> | 
                 | 
| 687 | 
> | 
     Atom** movingZAtoms = zconsMols[i]->getMyAtoms();      | 
| 688 | 
> | 
 | 
| 689 | 
> | 
     for(int j = 0; j < zconsMols[i]->getNAtoms(); j++)           | 
| 690 | 
> | 
       movingZAtoms[j]->addFrc(force); | 
| 691 | 
> | 
     } | 
| 692 | 
> | 
  } | 
| 693 | 
> | 
 | 
| 694 | 
> | 
  // apply negative to fixed z-constrained molecues; | 
| 695 | 
> | 
  force[0]= 0; | 
| 696 | 
> | 
  force[1]= 0; | 
| 697 | 
> | 
  force[2]= 0; | 
| 698 | 
> | 
 | 
| 699 | 
> | 
  for(int i = 0; i < zconsMols.size(); i++){ | 
| 700 | 
> | 
 | 
| 701 | 
> | 
    if (states[i] == zcsFixed){   | 
| 702 | 
> | 
         | 
| 703 | 
> | 
      int nAtomOfCurZConsMol = zconsMols[i]->getNAtoms(); | 
| 704 | 
> | 
      zconsAtoms = zconsMols[i]->getMyAtoms();   | 
| 705 | 
  | 
     | 
| 706 | 
< | 
    //calculate z constrain force | 
| 707 | 
< | 
    fz[i] = massOfZConsMols[i]* deltaZ / dt2; | 
| 708 | 
< | 
     | 
| 706 | 
> | 
      for(int j =0; j < nAtomOfCurZConsMol; j++) { | 
| 707 | 
> | 
        force[whichDirection] = -fz[i]/ nAtomOfCurZConsMol; | 
| 708 | 
> | 
        zconsAtoms[j]->addFrc(force); | 
| 709 | 
> | 
      } | 
| 710 | 
> | 
                 | 
| 711 | 
> | 
    } | 
| 712 | 
> | 
         | 
| 713 | 
> | 
  }  | 
| 714 | 
> | 
 | 
| 715 | 
> | 
} | 
| 716 | 
> | 
 | 
| 717 | 
> | 
template<typename T> bool ZConstraint<T>::checkZConsState(){ | 
| 718 | 
> | 
  double COM[3]; | 
| 719 | 
> | 
  double diff; | 
| 720 | 
> | 
   | 
| 721 | 
> | 
  bool changed; | 
| 722 | 
> | 
   | 
| 723 | 
> | 
  changed = false; | 
| 724 | 
> | 
   | 
| 725 | 
> | 
  for(int i =0; i < zconsMols.size(); i++){ | 
| 726 | 
> | 
 | 
| 727 | 
> | 
    zconsMols[i]->getCOM(COM); | 
| 728 | 
> | 
    diff = fabs(COM[whichDirection] - zPos[i]);   | 
| 729 | 
> | 
    if (  diff <= zconsTol && states[i] == zcsMoving){ | 
| 730 | 
> | 
      states[i] = zcsFixed; | 
| 731 | 
> | 
        changed = true; | 
| 732 | 
> | 
    } | 
| 733 | 
> | 
    else if ( diff > zconsTol && states[i] == zcsFixed){ | 
| 734 | 
> | 
      states[i] = zcsMoving; | 
| 735 | 
> | 
        changed = true;    | 
| 736 | 
> | 
    } | 
| 737 | 
> | 
   | 
| 738 | 
  | 
  } | 
| 739 | 
  | 
 | 
| 740 | 
< | 
       | 
| 740 | 
> | 
  return changed; | 
| 741 | 
  | 
} | 
| 742 | 
+ | 
 | 
| 743 | 
+ | 
template<typename T> bool ZConstraint<T>::haveFixedZMols(){ | 
| 744 | 
+ | 
  for(int i = 0; i < zconsMols.size(); i++) | 
| 745 | 
+ | 
    if (states[i] == zcsFixed) | 
| 746 | 
+ | 
      return true; | 
| 747 | 
+ | 
 | 
| 748 | 
+ | 
  return false; | 
| 749 | 
+ | 
} | 
| 750 | 
+ | 
 | 
| 751 | 
+ | 
 | 
| 752 | 
+ | 
/** | 
| 753 | 
+ | 
 * | 
| 754 | 
+ | 
 */ | 
| 755 | 
+ | 
template<typename T> bool ZConstraint<T>::haveMovingZMols(){ | 
| 756 | 
+ | 
  for(int i = 0; i < zconsMols.size(); i++) | 
| 757 | 
+ | 
    if (states[i] == zcsMoving) | 
| 758 | 
+ | 
      return true; | 
| 759 | 
+ | 
 | 
| 760 | 
+ | 
  return false; | 
| 761 | 
+ | 
   | 
| 762 | 
+ | 
} | 
| 763 | 
+ | 
 | 
| 764 | 
+ | 
/** | 
| 765 | 
+ | 
  *  | 
| 766 | 
+ | 
  * | 
| 767 | 
+ | 
  */ | 
| 768 | 
+ | 
 | 
| 769 | 
+ | 
template<typename T> void ZConstraint<T>::doHarmonic(){ | 
| 770 | 
+ | 
  double force[3]; | 
| 771 | 
+ | 
  double harmonicU; | 
| 772 | 
+ | 
  double COM[3]; | 
| 773 | 
+ | 
  double diff; | 
| 774 | 
+ | 
         | 
| 775 | 
+ | 
  force[0] = 0; | 
| 776 | 
+ | 
  force[1] = 0; | 
| 777 | 
+ | 
  force[2] = 0; | 
| 778 | 
+ | 
 | 
| 779 | 
+ | 
  cout << "Moving Molecules" << endl;    | 
| 780 | 
+ | 
  for(int i = 0; i < zconsMols.size(); i++) { | 
| 781 | 
+ | 
 | 
| 782 | 
+ | 
    if (states[i] == zcsMoving){ | 
| 783 | 
+ | 
      zconsMols[i]->getCOM(COM): | 
| 784 | 
+ | 
      cout << "index: " << indexOfZConsMols[i] <<"\tcurrent zpos: " << COM[whichDirection] << endl; | 
| 785 | 
+ | 
                 | 
| 786 | 
+ | 
                diff = COM[whichDirection] -zPos[i]; | 
| 787 | 
+ | 
                 | 
| 788 | 
+ | 
      harmonicU = 0.5 * kz[i] * diff * diff;   | 
| 789 | 
+ | 
                info->ltPot += harmonicU; | 
| 790 | 
+ | 
 | 
| 791 | 
+ | 
                force[whichDirection] = - kz[i] * diff / zconsMols[i]->getNAtoms(); | 
| 792 | 
+ | 
                 | 
| 793 | 
+ | 
      Atom** movingZAtoms = zconsMols[i]->getMyAtoms();      | 
| 794 | 
+ | 
 | 
| 795 | 
+ | 
       for(int j = 0; j < zconsMols[i]->getNAtoms(); j++)           | 
| 796 | 
+ | 
         movingZAtoms[j]->addFrc(force); | 
| 797 | 
+ | 
    } | 
| 798 | 
+ | 
 | 
| 799 | 
+ | 
  } | 
| 800 | 
+ | 
 | 
| 801 | 
+ | 
} |