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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.
branches/development/src/applications/staticProps/BondOrderParameter.cpp (file contents), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 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, 24107 (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 {
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) : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info){
61      
62      setOutputName(getPrefix(filename) + ".bo");
63  
# Line 68 | Line 68 | namespace oopse {
68  
69      // Set up cutoff radius and order of the Legendre Polynomial:
70  
71    lMax_ = lMax;
71      rCut_ = rCut;
72      nBins_ = nbins;
73      Qcount_.resize(lMax_+1);
# Line 83 | Line 82 | namespace oopse {
82      // W_6 for icosahedral clusters is 11 / sqrt(4199) = 0.169754, so we'll
83      // use values for MinW_ and MaxW_ that are slightly larger than this:
84  
85 <    MinW_ = -0.18;
86 <    MaxW_ = 0.18;
85 >    MinW_ = -1.1;
86 >    MaxW_ = 1.1;
87      deltaW_ = (MaxW_ - MinW_) / nbins;
89  }
88  
89 +    // Make arrays for Wigner3jm
90 +    RealType* THRCOF = new RealType[2*lMax_+1];
91 +    // Variables for Wigner routine
92 +    RealType lPass, m1Pass, m2m, m2M;
93 +    int error, mSize;
94 +    mSize = 2*lMax_+1;
95 +
96 +    for (int l = 0; l <= lMax_; l++) {
97 +      lPass = (RealType)l;
98 +      for (int m1 = -l; m1 <= l; m1++) {
99 +        m1Pass = (RealType)m1;
100 +
101 +        std::pair<int,int> lm = std::make_pair(l, m1);
102 +        
103 +        // Zero work array
104 +        for (int ii = 0; ii < 2*l + 1; ii++){
105 +          THRCOF[ii] = 0.0;
106 +        }
107 +
108 +        // Get Wigner coefficients
109 +        Wigner3jm(lPass, lPass, lPass,
110 +                  m1Pass, m2m, m2M,
111 +                  THRCOF, mSize, error);
112 +        
113 +        m2Min[lm] = (int)floor(m2m);
114 +        m2Max[lm] = (int)floor(m2M);
115 +        
116 +        for (int mmm = 0; mmm <= (int)(m2M - m2m); mmm++) {
117 +          w3j[lm].push_back(THRCOF[mmm]);
118 +        }
119 +      }
120 +    }
121 +    delete [] THRCOF;
122 +    THRCOF = NULL;
123 +  }
124 +  
125    BondOrderParameter::~BondOrderParameter() {
126      Q_histogram_.clear();
127      W_histogram_.clear();
128 +    for (int l = 0; l <= lMax_; l++) {
129 +      for (int m = -l; m <= l; m++) {
130 +        w3j[std::make_pair(l,m)].clear();
131 +      }
132 +    }
133 +    w3j.clear();
134 +    m2Min.clear();
135 +    m2Max.clear();
136    }
137 <
137 >  
138    void BondOrderParameter::initalizeHistogram() {
139      for (int bin = 0; bin < nBins_; bin++) {
140        for (int l = 0; l <= lMax_; l++) {
# Line 118 | Line 160 | namespace oopse {
160      RealType dist;
161      std::map<std::pair<int,int>,ComplexType> q;
162      std::vector<RealType> q_l;
163 +    std::vector<RealType> q2;
164 +    std::vector<ComplexType> w;
165 +    std::vector<ComplexType> w_hat;
166      std::map<std::pair<int,int>,ComplexType> QBar;
167      std::vector<RealType> Q2;
168      std::vector<RealType> Q;
# Line 126 | Line 171 | namespace oopse {
171      int nBonds, Nbonds;
172      SphericalHarmonic sphericalHarmonic;
173      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  
175      DumpReader reader(info_, dumpFilename_);    
176      int nFrames = reader.getNFrames();
177      frameCounter_ = 0;
178  
179      q_l.resize(lMax_+1);
180 +    q2.resize(lMax_+1);
181 +    w.resize(lMax_+1);
182 +    w_hat.resize(lMax_+1);
183 +
184      Q2.resize(lMax_+1);
185      Q.resize(lMax_+1);
186      W.resize(lMax_+1);
187      W_hat.resize(lMax_+1);
188 +    Nbonds = 0;
189  
190      for (int istep = 0; istep < nFrames; istep += step_) {
191        reader.readFrame(istep);
# Line 186 | Line 230 | namespace oopse {
230              if (atom->getGlobalIndex() != myIndex) {
231  
232                vec = sd->getPos() - atom->getPos();      
233 <              currentSnapshot_->wrapVector(vec);
233 >
234 >              if (usePeriodicBoundaryConditions_)
235 >                currentSnapshot_->wrapVector(vec);
236                
237                // Calculate "bonds" and build Q_lm(r) where
238                //      Q_lm = Y_lm(theta(r),phi(r))                
# Line 215 | Line 261 | namespace oopse {
261          }
262          
263          
264 <        for (int l = 0; l <= lMax_; l++) {        
265 <          q_l[l] = 0.0;
266 <          for(int m = -l; m <= l; m++) {
267 <            q_l[l] += norm(q[std::make_pair(l,m)]);
268 <          }    
269 <          q_l[l] *= 4.0*NumericConstant::PI/(RealType)(2*l + 1);
270 <          q_l[l] = sqrt(q_l[l])/(RealType)nBonds;
264 >        for (int l = 0; l <= lMax_; l++) {
265 >          q2[l] = 0.0;
266 >          for (int m = -l; m <= l; m++){
267 >            q[std::make_pair(l,m)] /= (RealType)nBonds;
268 >            q2[l] += norm(q[std::make_pair(l,m)]);
269 >          }
270 >          q_l[l] = sqrt(q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
271          }
272 <        collectHistogram(q_l);
272 >        
273 >        // Find Third Order Invariant W_l
274 >    
275 >        for (int l = 0; l <= lMax_; l++) {
276 >          w[l] = 0.0;
277 >          for (int m1 = -l; m1 <= l; m1++) {
278 >            std::pair<int,int> lm = std::make_pair(l, m1);
279 >            for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
280 >              int m2 = m2Min[lm] + mmm;
281 >              int m3 = -m1-m2;
282 >              w[l] += w3j[lm][mmm] * q[lm] *
283 >                q[std::make_pair(l,m2)] *  q[std::make_pair(l,m3)];
284 >            }
285 >          }
286 >          
287 >          w_hat[l] = w[l] / pow(q2[l], 1.5);
288 >        }
289 >
290 >        collectHistogram(q_l, w_hat);
291          
292          Nbonds += nBonds;
293          for (int l = 0; l <= lMax_;  l++) {
294            for (int m = -l; m <= l; m++) {
295 <            QBar[std::make_pair(l,m)] += q[std::make_pair(l,m)];
295 >            QBar[std::make_pair(l,m)] += (RealType)nBonds*q[std::make_pair(l,m)];
296            }
297          }
298        }
# Line 251 | Line 315 | namespace oopse {
315        Q[l] = sqrt(Q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
316      }
317      
254
255    
318      // Find Third Order Invariant W_l
319      
320      for (int l = 0; l <= lMax_; l++) {
321        W[l] = 0.0;
260      lPass = (double)l;
322        for (int m1 = -l; m1 <= l; m1++) {
323 <        // Zero work array
324 <        for (int ii = 0; ii < 2*l + 1; ii++){
325 <          THRCOF[ii] = 0.0;
323 >        std::pair<int,int> lm = std::make_pair(l, m1);
324 >        for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
325 >          int m2 = m2Min[lm] + mmm;
326 >          int m3 = -m1-m2;
327 >          W[l] += w3j[lm][mmm] * QBar[lm] *
328 >            QBar[std::make_pair(l,m2)] * QBar[std::make_pair(l,m3)];
329          }
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        }
330        }
331        
332        W_hat[l] = W[l] / pow(Q2[l], 1.5);
# Line 286 | Line 335 | namespace oopse {
335      writeOrderParameter(Q, W_hat);    
336    }
337  
338 <  void BondOrderParameter::collectHistogram(std::vector<RealType> q) {
338 >  void BondOrderParameter::collectHistogram(std::vector<RealType> q,
339 >                                            std::vector<ComplexType> what) {
340  
341      for (int l = 0; l <= lMax_; l++) {
342        if (q[l] >= MinQ_ && q[l] < MaxQ_) {
# Line 296 | Line 346 | namespace oopse {
346        } else {
347          sprintf( painCave.errMsg,
348                   "q_l value outside reasonable range\n");
349 <        painCave.severity = OOPSE_ERROR;
349 >        painCave.severity = OPENMD_ERROR;
350          painCave.isFatal = 1;
351          simError();  
352        }
353      }
354  
355 +    for (int l = 0; l <= lMax_; l++) {
356 +      if (real(what[l]) >= MinW_ && real(what[l]) < MaxW_) {
357 +        int wbin = (real(what[l]) - MinW_) / deltaW_;
358 +        W_histogram_[std::make_pair(wbin,l)] += 1;
359 +        Wcount_[l]++;      
360 +      } else {
361 +        sprintf( painCave.errMsg,
362 +                 "Re[w_hat] value (%lf) outside reasonable range\n", real(what[l]));
363 +        painCave.severity = OPENMD_ERROR;
364 +        painCave.isFatal = 1;
365 +        simError();  
366 +      }
367 +    }
368 +
369    }  
370  
371  
372 <  void BondOrderParameter::writeOrderParameter(std::vector<RealType> Q, std::vector<ComplexType> What) {
372 >  void BondOrderParameter::writeOrderParameter(std::vector<RealType> Q,
373 >                                               std::vector<ComplexType> What) {
374      
375 <    std::ofstream os(getOutputFileName().c_str());
376 <    
377 <    if (os.is_open()) {
375 >    std::ofstream osq((getOutputFileName() + "q").c_str());
376 >
377 >    if (osq.is_open()) {
378        
379 <      os << "# Bond Order Parameters\n";
380 <      os << "# selection: (" << selectionScript_ << ")\n";
379 >      osq << "# Bond Order Parameters\n";
380 >      osq << "# selection: (" << selectionScript_ << ")\n";
381 >      osq << "# \n";
382        for (int l = 0; l <= lMax_; l++) {
383 <        os << "# \n";
318 <        os << "# <Q_" << l << ">: " << Q[l] << "\n";
319 <        os << "# <W_" << l << ">: " << real(What[l]) << "\n";
383 >        osq << "# <Q_" << l << ">: " << Q[l] << "\n";
384        }
385        // Normalize by number of frames and write it out:
386        for (int i = 0; i < nBins_; ++i) {
387          RealType Qval = MinQ_ + (i + 0.5) * deltaQ_;              
388 <        os << Qval;
388 >        osq << Qval;
389          for (int l = 0; l <= lMax_; l++) {
390 <          os << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)] / (RealType)Qcount_[l];
390 >
391 >          osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)]/(RealType)Qcount_[l]/deltaQ_;
392          }
393 <        os << "\n";
393 >        osq << "\n";
394        }
395  
396 <      os.close();
396 >      osq.close();
397  
398      } else {
399        sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
400 <              getOutputFileName().c_str());
400 >              (getOutputFileName() + "q").c_str());
401        painCave.isFatal = 1;
402        simError();  
403      }
404 +
405 +    std::ofstream osw((getOutputFileName() + "w").c_str());
406 +
407 +    if (osw.is_open()) {
408 +      osw << "# Bond Order Parameters\n";
409 +      osw << "# selection: (" << selectionScript_ << ")\n";
410 +      osw << "# \n";
411 +      for (int l = 0; l <= lMax_; l++) {
412 +        osw << "# <W_" << l << ">: " << real(What[l]) << "\t" << imag(What[l]) << "\n";
413 +      }
414 +      // Normalize by number of frames and write it out:
415 +      for (int i = 0; i < nBins_; ++i) {
416 +        RealType Wval = MinW_ + (i + 0.5) * deltaW_;              
417 +        osw << Wval;
418 +        for (int l = 0; l <= lMax_; l++) {
419 +
420 +          osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)]/(RealType)Wcount_[l]/deltaW_;
421 +        }
422 +        osw << "\n";
423 +      }
424 +
425 +      osw.close();
426 +    } else {
427 +      sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
428 +              (getOutputFileName() + "w").c_str());
429 +      painCave.isFatal = 1;
430 +      simError();  
431 +    }
432 +      
433    }
434   }

Comparing:
trunk/src/applications/staticProps/BondOrderParameter.cpp (property svn:keywords), Revision 1051 by gezelter, Mon Sep 25 22:08:33 2006 UTC vs.
branches/development/src/applications/staticProps/BondOrderParameter.cpp (property svn:keywords), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC

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