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/* |
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* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Acknowledgement of the program authors must be made in any |
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* publication of scientific results based in part on use of the |
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* program. An acceptable form of acknowledgement is citation of |
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* the article in which the program was described (Matthew |
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* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
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* Parallel Simulation Engine for Molecular Dynamics," |
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* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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* |
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* 2. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 3. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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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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|
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#include "brains/Snapshot.hpp" |
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#include "integrators/Integrator.hpp" |
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#include "utils/simError.h" |
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namespace oopse { |
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Integrator::Integrator(SimInfo* info) |
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: info_(info), forceMan_(NULL) , needPotential(false), needStress(false), needReset(false), velocitizer_(NULL), |
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needVelocityScaling(false), dumpWriter(NULL), statWriter(NULL), thermo(info), |
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currentSnapshot_(info->getSnapshotManager()->getCurrentSnapshot()) { |
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|
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simParams = info->getSimParams(); |
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|
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if (simParams->haveDt()) { |
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dt = simParams->getDt(); |
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} else { |
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sprintf(painCave.errMsg, |
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"Integrator Error: dt is not set\n"); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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if (simParams->haveRunTime()) { |
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runTime = simParams->getRunTime(); |
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} else { |
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sprintf(painCave.errMsg, |
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"Integrator Error: runTime is not set\n"); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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// set the status, sample, and thermal kick times |
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if (simParams->haveSampleTime()){ |
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sampleTime = simParams->getSampleTime(); |
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statusTime = sampleTime; |
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} else{ |
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sampleTime = simParams->getRunTime(); |
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statusTime = sampleTime; |
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} |
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|
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if (simParams->haveStatusTime()){ |
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statusTime = simParams->getStatusTime(); |
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} |
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|
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if (simParams->haveThermalTime()){ |
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thermalTime = simParams->getThermalTime(); |
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} else { |
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thermalTime = simParams->getRunTime(); |
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} |
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|
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if (!simParams->getUseInitTime()) { |
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currentSnapshot_->setTime(0.0); |
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} |
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|
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if (simParams->haveResetTime()) { |
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needReset = true; |
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resetTime = simParams->getResetTime(); |
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} |
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|
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//create a default ForceManager |
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//if the subclass wants to use a different ForceManager, use setForceManager |
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forceMan_ = new ForceManager(info); |
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|
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//set the force manager for thermodynamic integration if specified |
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if (simParams->getUseSolidThermInt() || simParams->getUseLiquidThermInt()){ |
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ThermoIntegrationForceManager* thermoForce_ |
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= new ThermoIntegrationForceManager(info); |
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setForceManager(thermoForce_); |
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} |
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|
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// check for the temperature set flag (velocity scaling) |
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if (simParams->haveTempSet()) { |
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needVelocityScaling = simParams->getTempSet(); |
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|
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if (simParams->haveTargetTemp()) { |
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targetScalingTemp = simParams->getTargetTemp(); |
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} |
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else { |
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sprintf(painCave.errMsg, |
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"Integrator Error: Target Temperature is not set\n"); |
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painCave.isFatal = 1; |
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simError(); |
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|
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} |
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} |
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|
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//create a default a velocitizer |
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//if the subclass want to using different velocitizer, use setVelocitizer |
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velocitizer_ = new Velocitizer(info); |
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|
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} |
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|
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Integrator::~Integrator(){ |
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delete forceMan_; |
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delete velocitizer_; |
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|
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delete dumpWriter; |
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delete statWriter; |
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} |
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|
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|
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} |
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|
