| 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. | 
| 29 |  | * University of Notre Dame has been advised of the possibility of | 
| 30 |  | * such damages. | 
| 31 |  | * | 
| 32 | < | *  BondOrderParameter.cpp | 
| 33 | < | *  OOPSE-4 | 
| 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]  Vardeman & Gezelter, in progress (2009). | 
| 40 |  | * | 
| 41 |  | *  Created by J. Daniel Gezelter on 09/26/06. | 
| 42 |  | *  @author  J. Daniel Gezelter | 
| 43 | < | *  @version $Id: BondOrderParameter.cpp,v 1.19 2006-10-18 21:58:47 gezelter Exp $ | 
| 43 | > | *  @version $Id: BondOrderParameter.cpp,v 1.23 2009-11-25 20:01:59 gezelter Exp $ | 
| 44 |  | * | 
| 45 |  | */ | 
| 46 |  |  | 
| 50 |  | #include "primitives/Molecule.hpp" | 
| 51 |  | #include "utils/NumericConstant.hpp" | 
| 52 |  |  | 
| 53 | < | namespace oopse { | 
| 53 | > | namespace OpenMD { | 
| 54 |  |  | 
| 55 |  | BondOrderParameter::BondOrderParameter(SimInfo* info, | 
| 56 |  | const std::string& filename, | 
| 80 |  | // W_6 for icosahedral clusters is 11 / sqrt(4199) = 0.169754, so we'll | 
| 81 |  | // use values for MinW_ and MaxW_ that are slightly larger than this: | 
| 82 |  |  | 
| 83 | < | MinW_ = -0.25; | 
| 84 | < | MaxW_ = 0.25; | 
| 83 | > | MinW_ = -1.1; | 
| 84 | > | MaxW_ = 1.1; | 
| 85 |  | deltaW_ = (MaxW_ - MinW_) / nbins; | 
| 86 |  |  | 
| 87 |  | // Make arrays for Wigner3jm | 
| 102 |  | for (int ii = 0; ii < 2*l + 1; ii++){ | 
| 103 |  | THRCOF[ii] = 0.0; | 
| 104 |  | } | 
| 105 | < |  | 
| 105 | > |  | 
| 106 |  | // Get Wigner coefficients | 
| 107 |  | Wigner3jm(&lPass, &lPass, &lPass, | 
| 108 |  | &m1Pass, &m2m, &m2M, | 
| 111 |  | m2Min[lm] = (int)floor(m2m); | 
| 112 |  | m2Max[lm] = (int)floor(m2M); | 
| 113 |  |  | 
| 114 | < | for (int mmm = 0; mmm < (int)(m2M - m2m); mmm++) { | 
| 114 | > | for (int mmm = 0; mmm <= (int)(m2M - m2m); mmm++) { | 
| 115 |  | w3j[lm].push_back(THRCOF[mmm]); | 
| 116 |  | } | 
| 117 |  | } | 
| 183 |  | Q.resize(lMax_+1); | 
| 184 |  | W.resize(lMax_+1); | 
| 185 |  | W_hat.resize(lMax_+1); | 
| 186 | + | Nbonds = 0; | 
| 187 |  |  | 
| 188 |  | for (int istep = 0; istep < nFrames; istep += step_) { | 
| 189 |  | reader.readFrame(istep); | 
| 259 |  | } | 
| 260 |  |  | 
| 261 |  |  | 
| 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; | 
| 271 | – | } | 
| 272 | – |  | 
| 273 | – | // Find second order invariant Q_l | 
| 274 | – |  | 
| 262 |  | for (int l = 0; l <= lMax_; l++) { | 
| 263 |  | q2[l] = 0.0; | 
| 264 |  | for (int m = -l; m <= l; m++){ | 
| 265 | + | q[std::make_pair(l,m)] /= (RealType)nBonds; | 
| 266 |  | q2[l] += norm(q[std::make_pair(l,m)]); | 
| 267 |  | } | 
| 268 | < | q_l[l] = sqrt(q2[l] * 4.0 * NumericConstant::PI / | 
| 281 | < | (RealType)(2*l + 1))/(RealType)nBonds; | 
| 268 | > | q_l[l] = sqrt(q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1)); | 
| 269 |  | } | 
| 270 | < |  | 
| 270 | > |  | 
| 271 |  | // Find Third Order Invariant W_l | 
| 272 |  |  | 
| 273 |  | for (int l = 0; l <= lMax_; l++) { | 
| 274 |  | w[l] = 0.0; | 
| 275 |  | for (int m1 = -l; m1 <= l; m1++) { | 
| 276 |  | std::pair<int,int> lm = std::make_pair(l, m1); | 
| 277 | < | for (int mmm = 0; mmm < (m2Max[lm] - m2Min[lm]); mmm++) { | 
| 277 | > | for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) { | 
| 278 |  | int m2 = m2Min[lm] + mmm; | 
| 279 |  | int m3 = -m1-m2; | 
| 280 |  | w[l] += w3j[lm][mmm] * q[lm] * | 
| 290 |  | Nbonds += nBonds; | 
| 291 |  | for (int l = 0; l <= lMax_;  l++) { | 
| 292 |  | for (int m = -l; m <= l; m++) { | 
| 293 | < | QBar[std::make_pair(l,m)] += q[std::make_pair(l,m)]; | 
| 293 | > | QBar[std::make_pair(l,m)] += (RealType)nBonds*q[std::make_pair(l,m)]; | 
| 294 |  | } | 
| 295 |  | } | 
| 296 |  | } | 
| 319 |  | W[l] = 0.0; | 
| 320 |  | for (int m1 = -l; m1 <= l; m1++) { | 
| 321 |  | std::pair<int,int> lm = std::make_pair(l, m1); | 
| 322 | < | for (int mmm = 0; mmm < (m2Max[lm] - m2Min[lm]); mmm++) { | 
| 322 | > | for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) { | 
| 323 |  | int m2 = m2Min[lm] + mmm; | 
| 324 |  | int m3 = -m1-m2; | 
| 325 |  | W[l] += w3j[lm][mmm] * QBar[lm] * | 
| 344 |  | } else { | 
| 345 |  | sprintf( painCave.errMsg, | 
| 346 |  | "q_l value outside reasonable range\n"); | 
| 347 | < | painCave.severity = OOPSE_ERROR; | 
| 347 | > | painCave.severity = OPENMD_ERROR; | 
| 348 |  | painCave.isFatal = 1; | 
| 349 |  | simError(); | 
| 350 |  | } | 
| 357 |  | Wcount_[l]++; | 
| 358 |  | } else { | 
| 359 |  | sprintf( painCave.errMsg, | 
| 360 | < | "Re[w_hat] value outside reasonable range\n"); | 
| 361 | < | painCave.severity = OOPSE_ERROR; | 
| 360 | > | "Re[w_hat] value (%lf) outside reasonable range\n", real(what[l])); | 
| 361 | > | painCave.severity = OPENMD_ERROR; | 
| 362 |  | painCave.isFatal = 1; | 
| 363 |  | simError(); | 
| 364 |  | } | 
| 385 |  | RealType Qval = MinQ_ + (i + 0.5) * deltaQ_; | 
| 386 |  | osq << Qval; | 
| 387 |  | for (int l = 0; l <= lMax_; l++) { | 
| 388 | < | osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)] / | 
| 389 | < | (RealType)Qcount_[l]; | 
| 388 | > |  | 
| 389 | > | osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)]/(RealType)Qcount_[l]/deltaQ_; | 
| 390 |  | } | 
| 391 |  | osq << "\n"; | 
| 392 |  | } | 
| 407 |  | osw << "# selection: (" << selectionScript_ << ")\n"; | 
| 408 |  | osw << "# \n"; | 
| 409 |  | for (int l = 0; l <= lMax_; l++) { | 
| 410 | < | osw << "# <W_" << l << ">: " << real(What[l]) << "\n"; | 
| 410 | > | osw << "# <W_" << l << ">: " << real(What[l]) << "\t" << imag(What[l]) << "\n"; | 
| 411 |  | } | 
| 412 |  | // Normalize by number of frames and write it out: | 
| 413 |  | for (int i = 0; i < nBins_; ++i) { | 
| 414 |  | RealType Wval = MinW_ + (i + 0.5) * deltaW_; | 
| 415 |  | osw << Wval; | 
| 416 |  | for (int l = 0; l <= lMax_; l++) { | 
| 417 | < | osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)] / | 
| 418 | < | (RealType)Wcount_[l]; | 
| 417 | > |  | 
| 418 | > | osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)]/(RealType)Wcount_[l]/deltaW_; | 
| 419 |  | } | 
| 420 |  | osw << "\n"; | 
| 421 |  | } |