ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/trunk/src/applications/staticProps/RNEMDStats.cpp
(Generate patch)

Comparing trunk/src/applications/staticProps/RNEMDStats.cpp (file contents):
Revision 1945 by gezelter, Thu Nov 7 16:42:46 2013 UTC vs.
Revision 1953 by gezelter, Thu Dec 5 18:19:26 2013 UTC

# Line 159 | Line 159 | namespace OpenMD {
159        }
160      }
161      
162 <    for (unsigned int i = 0; i < nBins_; i++) {
162 >    for (int i = 0; i < nBins_; i++) {
163  
164        if (binDof[i] > 0) {
165          RealType temp = 2.0 * binKE[i] / (binDof[i] * PhysicalConstants::kb *
# Line 198 | Line 198 | namespace OpenMD {
198      
199      angularVelocity = new OutputData;
200      angularVelocity->units = "angstroms^2/fs";
201 <    angularVelocity->title =  "Velocity";  
201 >    angularVelocity->title =  "Angular Velocity";  
202      angularVelocity->dataType = odtVector3;
203      angularVelocity->dataHandling = odhAverage;
204      angularVelocity->accumulator.reserve(nBins_);
# Line 295 | Line 295 | namespace OpenMD {
295        }
296      }
297      
298 <    for (unsigned int i = 0; i < nBins_; i++) {
298 >    for (int i = 0; i < nBins_; i++) {
299        RealType rinner = (RealType)i * binWidth_;
300        RealType router = (RealType)(i+1) * binWidth_;
301        if (binDof[i] > 0) {
# Line 316 | Line 316 | namespace OpenMD {
316  
317  
318    void RNEMDR::processStuntDouble(StuntDouble* sd, int bin) {
319 +  }
320 +  
321 +  RNEMDRTheta::RNEMDRTheta(SimInfo* info, const std::string& filename,
322 +                           const std::string& sele, int nrbins, int nangleBins)
323 +    : ShellStatistics(info, filename, sele, nrbins), nAngleBins_(nangleBins) {
324 +    
325 +    Globals* simParams = info->getSimParams();
326 +    RNEMDParameters* rnemdParams = simParams->getRNEMDParameters();
327 +    bool hasAngularMomentumFluxVector = rnemdParams->haveAngularMomentumFluxVector();
328 +    
329 +    if (hasAngularMomentumFluxVector) {
330 +      fluxVector_ = rnemdParams->getAngularMomentumFluxVector();
331 +    } else {
332 +      
333 +      std::string fluxStr = rnemdParams->getFluxType();
334 +      if (fluxStr.find("Lx") != std::string::npos) {
335 +        fluxVector_ = V3X;
336 +      } else if (fluxStr.find("Ly") != std::string::npos) {
337 +        fluxVector_ = V3Y;
338 +      } else {
339 +        fluxVector_ = V3Z;
340 +      }
341 +    }
342 +    
343 +    fluxVector_.normalize();
344 +
345 +    setOutputName(getPrefix(filename) + ".rnemdRTheta");
346 +
347 +    angularVelocity = new OutputData;
348 +    angularVelocity->units = "angstroms^2/fs";
349 +    angularVelocity->title =  "Angular Velocity";  
350 +    angularVelocity->dataType = odtArray2d;
351 +    angularVelocity->dataHandling = odhAverage;
352 +    angularVelocity->accumulatorArray2d.reserve(nBins_);
353 +    for (int i = 0; i < nBins_; i++) {
354 +      angularVelocity->accumulatorArray2d[i].reserve(nAngleBins_);
355 +      for (int j = 0 ; j < nAngleBins_; j++) {      
356 +        angularVelocity->accumulatorArray2d[i][j] = new Accumulator();
357 +      }
358 +    }
359 +    data_.push_back(angularVelocity);
360 +
361    }
362 +
363 +
364 +  std::pair<int,int> RNEMDRTheta::getBins(Vector3d pos) {
365 +    std::pair<int,int> result;
366 +
367 +    Vector3d rPos = pos - coordinateOrigin_;
368 +    RealType cosAngle= dot(rPos, fluxVector_) / rPos.length();
369 +
370 +    result.first = int(rPos.length() / binWidth_);
371 +    result.second = int( (nAngleBins_ - 1) * 0.5 * (cosAngle + 1.0) );
372 +    return result;
373 +  }
374 +
375 +  void RNEMDRTheta::processStuntDouble(StuntDouble* sd, int bin) {
376 +  }
377 +
378 +  void RNEMDRTheta::processFrame(int istep) {
379 +
380 +    Molecule* mol;
381 +    RigidBody* rb;
382 +    StuntDouble* sd;
383 +    SimInfo::MoleculeIterator mi;
384 +    Molecule::RigidBodyIterator rbIter;
385 +    int i;
386 +
387 +    vector<vector<Mat3x3d> >  binI;
388 +    vector<vector<Vector3d> > binL;
389 +    vector<vector<int> > binCount;
390 +    
391 +    for (mol = info_->beginMolecule(mi); mol != NULL;
392 +         mol = info_->nextMolecule(mi)) {
393 +      
394 +      // change the positions of atoms which belong to the rigidbodies
395 +      
396 +      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
397 +           rb = mol->nextRigidBody(rbIter)) {
398 +        rb->updateAtomVel();
399 +      }
400 +    }
401 +  
402 +    if (evaluator_.isDynamic()) {
403 +      seleMan_.setSelectionSet(evaluator_.evaluate());
404 +    }
405 +    
406 +    // loop over the selected atoms:
407 +    
408 +    for (sd = seleMan_.beginSelected(i); sd != NULL;
409 +         sd = seleMan_.nextSelected(i)) {
410 +
411 +      // figure out where that object is:
412 +      std::pair<int,int> bins = getBins( sd->getPos() );  
413 +
414 +      if (bins.first >= 0 && bins.first < nBins_)  {
415 +        if (bins.second >= 0 && bins.second < nAngleBins_) {
416 +
417 +          Vector3d rPos = sd->getPos() - coordinateOrigin_;
418 +          Vector3d vel = sd->getVel();      
419 +          RealType m = sd->getMass();
420 +          Vector3d L = m * cross(rPos, vel);
421 +          Mat3x3d I(0.0);
422 +          I = outProduct(rPos, rPos) * m;
423 +          RealType r2 = rPos.lengthSquare();
424 +          I(0, 0) += m * r2;
425 +          I(1, 1) += m * r2;
426 +          I(2, 2) += m * r2;      
427 +
428 +          binI[bins.first][bins.second] += I;
429 +          binL[bins.first][bins.second] += L;
430 +          binCount[bins.first][bins.second]++;
431 +        }
432 +      }
433 +    }
434 +  
435 +    
436 +    for (int i = 0; i < nBins_; i++) {
437 +      for (int j = 0; j < nAngleBins_; j++) {
438 +
439 +        if (binCount[i][j] > 0) {
440 +          Vector3d omega = binI[i][j].inverse() * binL[i][j];
441 +          RealType omegaProj = dot(omega, fluxVector_);
442 +
443 +          dynamic_cast<Accumulator *>(angularVelocity->accumulatorArray2d[i][j])->add(omegaProj);
444 +        }
445 +      }
446 +    }
447 +  }
448 +
449 +  void RNEMDRTheta::writeOutput() {
450 +    
451 +    vector<OutputData*>::iterator i;
452 +    OutputData* outputData;
453 +    
454 +    ofstream outStream(outputFilename_.c_str());
455 +    if (outStream.is_open()) {
456 +      
457 +      //write title
458 +      outStream << "# SPATIAL STATISTICS\n";
459 +      outStream << "#";
460 +      
461 +      for(outputData = beginOutputData(i); outputData;
462 +          outputData = nextOutputData(i)) {
463 +        outStream << "\t" << outputData->title <<
464 +          "(" << outputData->units << ")";
465 +        // add some extra tabs for column alignment
466 +        if (outputData->dataType == odtVector3) outStream << "\t\t";
467 +      }
468 +      
469 +      outStream << std::endl;
470 +      
471 +      outStream.precision(8);
472 +      
473 +      for (int j = 0; j < nBins_; j++) {        
474 +        
475 +        int counts = counts_->accumulator[j]->count();
476 +
477 +        if (counts > 0) {
478 +          for(outputData = beginOutputData(i); outputData;
479 +              outputData = nextOutputData(i)) {
480 +            
481 +            int n = outputData->accumulator[j]->count();
482 +            if (n != 0) {
483 +              writeData( outStream, outputData, j );
484 +            }
485 +          }
486 +          outStream << std::endl;
487 +        }
488 +      }
489 +    }
490 +  }
491   }
492  

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines