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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* BondOrderParameter.cpp |
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* OOPSE-4 |
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* |
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* Created by J. Daniel Gezelter on 09/26/06. |
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* @author J. Daniel Gezelter |
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* @version $Id: BondOrderParameter.cpp,v 1.18 2006-09-26 16:08:44 gezelter Exp $ |
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* |
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*/ |
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|
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|
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/* Creates orientational bond order parameters as outlined by |
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* Bond-orientaional order in liquids and glasses, Steinhart,Nelson,Ronchetti |
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* Phys Rev B, 28,784,1983 |
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* |
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*/ |
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|
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#include "applications/staticProps/BondOrderParameter.hpp" |
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#include "utils/simError.h" |
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MinW_ = -0.25; |
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MaxW_ = 0.25; |
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deltaW_ = (MaxW_ - MinW_) / nbins; |
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} |
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|
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// Make arrays for Wigner3jm |
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double* THRCOF = new double[2*lMax_+1]; |
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// Variables for Wigner routine |
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double lPass, m1Pass, m2m, m2M; |
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int error, mSize; |
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mSize = 2*lMax_+1; |
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|
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for (int l = 0; l <= lMax_; l++) { |
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lPass = (double)l; |
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for (int m1 = -l; m1 <= l; m1++) { |
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m1Pass = (double)m1; |
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|
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std::pair<int,int> lm = std::make_pair(l, m1); |
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|
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// Zero work array |
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for (int ii = 0; ii < 2*l + 1; ii++){ |
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THRCOF[ii] = 0.0; |
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} |
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|
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// Get Wigner coefficients |
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Wigner3jm(&lPass, &lPass, &lPass, |
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&m1Pass, &m2m, &m2M, |
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THRCOF, &mSize, &error); |
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|
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m2Min[lm] = (int)floor(m2m); |
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m2Max[lm] = (int)floor(m2M); |
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|
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for (int mmm = 0; mmm < (int)(m2M - m2m); mmm++) { |
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w3j[lm].push_back(THRCOF[mmm]); |
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} |
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} |
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} |
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delete [] THRCOF; |
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THRCOF = NULL; |
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} |
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|
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BondOrderParameter::~BondOrderParameter() { |
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Q_histogram_.clear(); |
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W_histogram_.clear(); |
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for (int l = 0; l <= lMax_; l++) { |
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for (int m = -l; m <= l; m++) { |
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w3j[std::make_pair(l,m)].clear(); |
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} |
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} |
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w3j.clear(); |
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m2Min.clear(); |
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m2Max.clear(); |
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} |
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|
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|
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void BondOrderParameter::initalizeHistogram() { |
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for (int bin = 0; bin < nBins_; bin++) { |
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for (int l = 0; l <= lMax_; l++) { |
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int nBonds, Nbonds; |
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SphericalHarmonic sphericalHarmonic; |
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int i, j; |
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// Make arrays for Wigner3jm |
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double* THRCOF = new double[2*lMax_+1]; |
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// Variables for Wigner routine |
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double lPass, m1Pass, m2Min, m2Max; |
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int error, m1, m2, m3, mSize; |
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mSize = 2*lMax_+1; |
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|
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DumpReader reader(info_, dumpFilename_); |
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int nFrames = reader.getNFrames(); |
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|
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for (int l = 0; l <= lMax_; l++) { |
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w[l] = 0.0; |
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lPass = (double)l; |
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for (int m1 = -l; m1 <= l; m1++) { |
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// Zero work array |
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for (int ii = 0; ii < 2*l + 1; ii++){ |
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THRCOF[ii] = 0.0; |
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std::pair<int,int> lm = std::make_pair(l, m1); |
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for (int mmm = 0; mmm < (m2Max[lm] - m2Min[lm]); mmm++) { |
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int m2 = m2Min[lm] + mmm; |
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int m3 = -m1-m2; |
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w[l] += w3j[lm][mmm] * q[lm] * |
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q[std::make_pair(l,m2)] * q[std::make_pair(l,m3)]; |
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} |
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// Get Wigner coefficients |
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m1Pass = (double)m1; |
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|
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Wigner3jm(&lPass, &lPass, &lPass, |
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&m1Pass, &m2Min, &m2Max, |
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THRCOF, &mSize, &error); |
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|
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for (int mmm = 0; mmm < (int)(m2Max - m2Min); mmm++) { |
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m2 = (int)floor(m2Min) + mmm; |
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m3 = -m1-m2; |
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w[l] += THRCOF[mmm] * |
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q[std::make_pair(l,m1)] * |
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q[std::make_pair(l,m2)] * |
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q[std::make_pair(l,m3)]; |
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} |
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} |
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|
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w_hat[l] = w[l] / pow(q2[l], 1.5); |
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|
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for (int l = 0; l <= lMax_; l++) { |
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W[l] = 0.0; |
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lPass = (double)l; |
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for (int m1 = -l; m1 <= l; m1++) { |
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// Zero work array |
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for (int ii = 0; ii < 2*l + 1; ii++){ |
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THRCOF[ii] = 0.0; |
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std::pair<int,int> lm = std::make_pair(l, m1); |
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for (int mmm = 0; mmm < (m2Max[lm] - m2Min[lm]); mmm++) { |
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int m2 = m2Min[lm] + mmm; |
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int m3 = -m1-m2; |
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W[l] += w3j[lm][mmm] * QBar[lm] * |
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QBar[std::make_pair(l,m2)] * QBar[std::make_pair(l,m3)]; |
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} |
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// Get Wigner coefficients |
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m1Pass = (double)m1; |
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|
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Wigner3jm(&lPass, &lPass, &lPass, |
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&m1Pass, &m2Min, &m2Max, |
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THRCOF, &mSize, &error); |
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|
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for (int mmm = 0; mmm < (int)(m2Max - m2Min); mmm++) { |
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m2 = (int)floor(m2Min) + mmm; |
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m3 = -m1-m2; |
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W[l] += THRCOF[mmm] * |
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QBar[std::make_pair(l,m1)] * |
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QBar[std::make_pair(l,m2)] * |
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QBar[std::make_pair(l,m3)]; |
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} |
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} |
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|
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W_hat[l] = W[l] / pow(Q2[l], 1.5); |
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RealType Qval = MinQ_ + (i + 0.5) * deltaQ_; |
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osq << Qval; |
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for (int l = 0; l <= lMax_; l++) { |
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osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)] / (RealType)Qcount_[l]; |
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osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)] / |
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(RealType)Qcount_[l]; |
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} |
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osq << "\n"; |
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} |
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RealType Wval = MinW_ + (i + 0.5) * deltaW_; |
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osw << Wval; |
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for (int l = 0; l <= lMax_; l++) { |
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osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)] / (RealType)Wcount_[l]; |
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osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)] / |
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(RealType)Wcount_[l]; |
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} |
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osw << "\n"; |
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} |