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Comparing trunk/src/applications/staticProps/BondOrderParameter.cpp (file contents):
Revision 1051 by gezelter, Mon Sep 25 22:08:33 2006 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

# 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, 234107 (2008).          
39 + * [4] Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [4] , Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). *
41 + *  Created by J. Daniel Gezelter on 09/26/06.
42 + *  @author  J. Daniel Gezelter
43 + *  @version $Id$
44 + *
45   */
41
42
43 /* Creates orientational bond order parameters as outlined by
44 *     Bond-orientaional order in liquids and glasses, Steinhart,Nelson,Ronchetti
45 *     Phys Rev B, 28,784,1983
46 *
47 */
46  
47   #include "applications/staticProps/BondOrderParameter.hpp"
48   #include "utils/simError.h"
49   #include "io/DumpReader.hpp"
50   #include "primitives/Molecule.hpp"
51   #include "utils/NumericConstant.hpp"
52 + #include "math/Wigner3jm.hpp"
53  
54 < namespace oopse {
55 <
54 > using namespace MATPACK;
55 > namespace OpenMD {
56 >  
57    BondOrderParameter::BondOrderParameter(SimInfo* info,
58                                           const std::string& filename,
59                                           const std::string& sele,
60 <                                         double rCut, int lMax, int nbins) : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info){
60 >                                         double rCut, int nbins)
61 >    : StaticAnalyser(info, filename), selectionScript_(sele), seleMan_(info),
62 >      evaluator_(info) {
63      
64      setOutputName(getPrefix(filename) + ".bo");
65  
# Line 68 | Line 70 | namespace oopse {
70  
71      // Set up cutoff radius and order of the Legendre Polynomial:
72  
71    lMax_ = lMax;
73      rCut_ = rCut;
74      nBins_ = nbins;
75      Qcount_.resize(lMax_+1);
# Line 83 | Line 84 | namespace oopse {
84      // W_6 for icosahedral clusters is 11 / sqrt(4199) = 0.169754, so we'll
85      // use values for MinW_ and MaxW_ that are slightly larger than this:
86  
87 <    MinW_ = -0.18;
88 <    MaxW_ = 0.18;
87 >    MinW_ = -1.1;
88 >    MaxW_ = 1.1;
89      deltaW_ = (MaxW_ - MinW_) / nbins;
89  }
90  
91 +    // Make arrays for Wigner3jm
92 +    RealType* THRCOF = new RealType[2*lMax_+1];
93 +    // Variables for Wigner routine
94 +    RealType lPass, m1Pass, m2m, m2M;
95 +    int error, mSize;
96 +    mSize = 2*lMax_+1;
97 +
98 +    for (int l = 0; l <= lMax_; l++) {
99 +      lPass = (RealType)l;
100 +      for (int m1 = -l; m1 <= l; m1++) {
101 +        m1Pass = (RealType)m1;
102 +
103 +        std::pair<int,int> lm = std::make_pair(l, m1);
104 +        
105 +        // Zero work array
106 +        for (int ii = 0; ii < 2*l + 1; ii++){
107 +          THRCOF[ii] = 0.0;
108 +        }
109 +
110 +        // Get Wigner coefficients
111 +        Wigner3jm(lPass, lPass, lPass,
112 +                  m1Pass, m2m, m2M,
113 +                  THRCOF, mSize, error);
114 +      
115 +        m2Min[lm] = (int)floor(m2m);
116 +        m2Max[lm] = (int)floor(m2M);
117 +        
118 +        for (int mmm = 0; mmm <= (int)(m2M - m2m); mmm++) {
119 +          w3j[lm].push_back(THRCOF[mmm]);
120 +        }
121 +      }
122 +    }
123 +    delete [] THRCOF;
124 +    THRCOF = NULL;
125 +  }
126 +  
127    BondOrderParameter::~BondOrderParameter() {
128      Q_histogram_.clear();
129      W_histogram_.clear();
130 +    for (int l = 0; l <= lMax_; l++) {
131 +      for (int m = -l; m <= l; m++) {
132 +        w3j[std::make_pair(l,m)].clear();
133 +      }
134 +    }
135 +    w3j.clear();
136 +    m2Min.clear();
137 +    m2Max.clear();
138    }
139 <
140 <  void BondOrderParameter::initalizeHistogram() {
139 >  
140 >  void BondOrderParameter::initializeHistogram() {
141      for (int bin = 0; bin < nBins_; bin++) {
142        for (int l = 0; l <= lMax_; l++) {
143          Q_histogram_[std::make_pair(bin,l)] = 0;
# Line 115 | Line 159 | namespace oopse {
159      RealType costheta;
160      RealType phi;
161      RealType r;
118    RealType dist;
162      std::map<std::pair<int,int>,ComplexType> q;
163      std::vector<RealType> q_l;
164 +    std::vector<RealType> q2;
165 +    std::vector<ComplexType> w;
166 +    std::vector<ComplexType> w_hat;
167      std::map<std::pair<int,int>,ComplexType> QBar;
168      std::vector<RealType> Q2;
169      std::vector<RealType> Q;
# Line 125 | Line 171 | namespace oopse {
171      std::vector<ComplexType> W_hat;
172      int nBonds, Nbonds;
173      SphericalHarmonic sphericalHarmonic;
174 <    int i, j;
129 <    // Make arrays for Wigner3jm
130 <    double* THRCOF = new double[2*lMax_+1];
131 <    // Variables for Wigner routine
132 <    double lPass, m1Pass, m2Min, m2Max;
133 <    int error, m1, m2, m3, mSize;
134 <    mSize = 2*lMax_+1;
174 >    int i;
175  
176      DumpReader reader(info_, dumpFilename_);    
177      int nFrames = reader.getNFrames();
178      frameCounter_ = 0;
179  
180      q_l.resize(lMax_+1);
181 +    q2.resize(lMax_+1);
182 +    w.resize(lMax_+1);
183 +    w_hat.resize(lMax_+1);
184 +
185      Q2.resize(lMax_+1);
186      Q.resize(lMax_+1);
187      W.resize(lMax_+1);
188      W_hat.resize(lMax_+1);
189 +    Nbonds = 0;
190  
191      for (int istep = 0; istep < nFrames; istep += step_) {
192        reader.readFrame(istep);
# Line 186 | Line 231 | namespace oopse {
231              if (atom->getGlobalIndex() != myIndex) {
232  
233                vec = sd->getPos() - atom->getPos();      
234 <              currentSnapshot_->wrapVector(vec);
234 >
235 >              if (usePeriodicBoundaryConditions_)
236 >                currentSnapshot_->wrapVector(vec);
237                
238                // Calculate "bonds" and build Q_lm(r) where
239                //      Q_lm = Y_lm(theta(r),phi(r))                
# Line 206 | Line 253 | namespace oopse {
253                    for(int m = -l; m <= l; m++){
254                      sphericalHarmonic.setM(m);
255                      q[std::make_pair(l,m)] += sphericalHarmonic.getValueAt(costheta, phi);
256 +
257                    }
258                  }
259                  nBonds++;
# Line 215 | Line 263 | namespace oopse {
263          }
264          
265          
266 <        for (int l = 0; l <= lMax_; l++) {        
267 <          q_l[l] = 0.0;
268 <          for(int m = -l; m <= l; m++) {
269 <            q_l[l] += norm(q[std::make_pair(l,m)]);
270 <          }    
271 <          q_l[l] *= 4.0*NumericConstant::PI/(RealType)(2*l + 1);
272 <          q_l[l] = sqrt(q_l[l])/(RealType)nBonds;
266 >        for (int l = 0; l <= lMax_; l++) {
267 >          q2[l] = 0.0;
268 >          for (int m = -l; m <= l; m++){
269 >            q[std::make_pair(l,m)] /= (RealType)nBonds;
270 >
271 >            q2[l] += norm(q[std::make_pair(l,m)]);
272 >          }
273 >          q_l[l] = sqrt(q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
274          }
226        collectHistogram(q_l);
275          
276 +        // Find Third Order Invariant W_l
277 +    
278 +        for (int l = 0; l <= lMax_; l++) {
279 +          w[l] = 0.0;
280 +          for (int m1 = -l; m1 <= l; m1++) {
281 +            std::pair<int,int> lm = std::make_pair(l, m1);
282 +            for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
283 +              int m2 = m2Min[lm] + mmm;
284 +              int m3 = -m1-m2;
285 +              w[l] += w3j[lm][mmm] * q[lm] *
286 +                q[std::make_pair(l,m2)] *  q[std::make_pair(l,m3)];
287 +            }
288 +          }
289 +          
290 +          w_hat[l] = w[l] / pow(q2[l], RealType(1.5));
291 +        }
292 +
293 +        collectHistogram(q_l, w_hat);
294 +        
295          Nbonds += nBonds;
296          for (int l = 0; l <= lMax_;  l++) {
297            for (int m = -l; m <= l; m++) {
298 <            QBar[std::make_pair(l,m)] += q[std::make_pair(l,m)];
298 >            QBar[std::make_pair(l,m)] += (RealType)nBonds*q[std::make_pair(l,m)];
299            }
300          }
301        }
# Line 251 | Line 318 | namespace oopse {
318        Q[l] = sqrt(Q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
319      }
320      
254
255    
321      // Find Third Order Invariant W_l
322      
323      for (int l = 0; l <= lMax_; l++) {
324        W[l] = 0.0;
260      lPass = (double)l;
325        for (int m1 = -l; m1 <= l; m1++) {
326 <        // Zero work array
327 <        for (int ii = 0; ii < 2*l + 1; ii++){
328 <          THRCOF[ii] = 0.0;
326 >        std::pair<int,int> lm = std::make_pair(l, m1);
327 >        for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
328 >          int m2 = m2Min[lm] + mmm;
329 >          int m3 = -m1-m2;
330 >          W[l] += w3j[lm][mmm] * QBar[lm] *
331 >            QBar[std::make_pair(l,m2)] * QBar[std::make_pair(l,m3)];
332          }
266        // Get Wigner coefficients
267        m1Pass = (double)m1;
268        
269        Wigner3jm(&lPass, &lPass, &lPass,
270                  &m1Pass, &m2Min, &m2Max,
271                  THRCOF, &mSize, &error);
272        
273        for (int mmm = 0; mmm < (int)(m2Max - m2Min); mmm++) {
274          m2 = (int)floor(m2Min) + mmm;
275          m3 = -m1-m2;
276          W[l] += THRCOF[mmm] *
277            QBar[std::make_pair(l,m1)] *
278            QBar[std::make_pair(l,m2)] *
279            QBar[std::make_pair(l,m3)];
280        }
333        }
334        
335 <      W_hat[l] = W[l] / pow(Q2[l], 1.5);
335 >      W_hat[l] = W[l] / pow(Q2[l], RealType(1.5));
336      }
337      
338      writeOrderParameter(Q, W_hat);    
339    }
340  
341 <  void BondOrderParameter::collectHistogram(std::vector<RealType> q) {
341 >  void BondOrderParameter::collectHistogram(std::vector<RealType> q,
342 >                                            std::vector<ComplexType> what) {
343  
344      for (int l = 0; l <= lMax_; l++) {
345        if (q[l] >= MinQ_ && q[l] < MaxQ_) {
346 <        int qbin = (q[l] - MinQ_) / deltaQ_;
346 >        int qbin = int((q[l] - MinQ_) / deltaQ_);
347          Q_histogram_[std::make_pair(qbin,l)] += 1;
348          Qcount_[l]++;      
349        } else {
350          sprintf( painCave.errMsg,
351                   "q_l value outside reasonable range\n");
352 <        painCave.severity = OOPSE_ERROR;
352 >        painCave.severity = OPENMD_ERROR;
353          painCave.isFatal = 1;
354          simError();  
355        }
356      }
357  
358 +    for (int l = 0; l <= lMax_; l++) {
359 +      if (real(what[l]) >= MinW_ && real(what[l]) < MaxW_) {
360 +        int wbin = int((real(what[l]) - MinW_) / deltaW_);
361 +        W_histogram_[std::make_pair(wbin,l)] += 1;
362 +        Wcount_[l]++;      
363 +      } else {
364 +        sprintf( painCave.errMsg,
365 +                 "Re[w_hat] value (%lf) outside reasonable range\n", real(what[l]));
366 +        painCave.severity = OPENMD_ERROR;
367 +        painCave.isFatal = 1;
368 +        simError();  
369 +      }
370 +    }
371 +
372    }  
373  
374  
375 <  void BondOrderParameter::writeOrderParameter(std::vector<RealType> Q, std::vector<ComplexType> What) {
375 >  void BondOrderParameter::writeOrderParameter(std::vector<RealType> Q,
376 >                                               std::vector<ComplexType> What) {
377      
378 <    std::ofstream os(getOutputFileName().c_str());
379 <    
380 <    if (os.is_open()) {
378 >    std::ofstream osq((getOutputFileName() + "q").c_str());
379 >
380 >    if (osq.is_open()) {
381        
382 <      os << "# Bond Order Parameters\n";
383 <      os << "# selection: (" << selectionScript_ << ")\n";
382 >      osq << "# Bond Order Parameters\n";
383 >      osq << "# selection: (" << selectionScript_ << ")\n";
384 >      osq << "# \n";
385        for (int l = 0; l <= lMax_; l++) {
386 <        os << "# \n";
318 <        os << "# <Q_" << l << ">: " << Q[l] << "\n";
319 <        os << "# <W_" << l << ">: " << real(What[l]) << "\n";
386 >        osq << "# <Q_" << l << ">: " << Q[l] << "\n";
387        }
388        // Normalize by number of frames and write it out:
389        for (int i = 0; i < nBins_; ++i) {
390          RealType Qval = MinQ_ + (i + 0.5) * deltaQ_;              
391 <        os << Qval;
391 >        osq << Qval;
392          for (int l = 0; l <= lMax_; l++) {
393 <          os << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)] / (RealType)Qcount_[l];
393 >
394 >          osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)]/(RealType)Qcount_[l]/deltaQ_;
395          }
396 <        os << "\n";
396 >        osq << "\n";
397        }
398  
399 <      os.close();
399 >      osq.close();
400  
401      } else {
402        sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
403 <              getOutputFileName().c_str());
403 >              (getOutputFileName() + "q").c_str());
404        painCave.isFatal = 1;
405        simError();  
406      }
407 +
408 +    std::ofstream osw((getOutputFileName() + "w").c_str());
409 +
410 +    if (osw.is_open()) {
411 +      osw << "# Bond Order Parameters\n";
412 +      osw << "# selection: (" << selectionScript_ << ")\n";
413 +      osw << "# \n";
414 +      for (int l = 0; l <= lMax_; l++) {
415 +        osw << "# <W_" << l << ">: " << real(What[l]) << "\t" << imag(What[l]) << "\n";
416 +      }
417 +      // Normalize by number of frames and write it out:
418 +      for (int i = 0; i < nBins_; ++i) {
419 +        RealType Wval = MinW_ + (i + 0.5) * deltaW_;              
420 +        osw << Wval;
421 +        for (int l = 0; l <= lMax_; l++) {
422 +
423 +          osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)]/(RealType)Wcount_[l]/deltaW_;
424 +        }
425 +        osw << "\n";
426 +      }
427 +
428 +      osw.close();
429 +    } else {
430 +      sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
431 +              (getOutputFileName() + "w").c_str());
432 +      painCave.isFatal = 1;
433 +      simError();  
434 +    }
435 +      
436    }
437   }

Comparing trunk/src/applications/staticProps/BondOrderParameter.cpp (property svn:keywords):
Revision 1051 by gezelter, Mon Sep 25 22:08:33 2006 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

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