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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. 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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* 2. 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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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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*/ |
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|
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#ifndef CONSTRAINTS_ZCONSTRAINTFORCEMANAGER_HPP |
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#define CONSTRAINTS_ZCONSTRAINTFORCEMANAGER_HPP |
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#include <list> |
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#include <string> |
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#include <vector> |
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#include "brains/ForceManager.hpp" |
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#include "constraints/ZconsStruct.hpp" |
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#include "io/ZConsWriter.hpp" |
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namespace OpenMD { |
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|
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class ZconstraintForceManager : public ForceManager { |
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public: |
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ZconstraintForceManager(SimInfo* info); |
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~ZconstraintForceManager(); |
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|
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virtual void calcForces(bool needPotential, bool needStress); |
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|
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RealType getZConsTime() { return zconsTime_; } |
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std::string getZConsOutput() { return zconsOutput_; } |
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|
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void update(); |
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virtual void init(); |
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private: |
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|
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bool isZMol(Molecule* mol); |
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void thermalize(void); |
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|
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void zeroVelocity(); |
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void doZconstraintForce(); |
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void doHarmonic(); |
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bool checkZConsState(); |
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void updateZPos(); |
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void updateCantPos(); |
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void calcTotalMassMovingZMols(); |
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bool haveMovingZMols(); |
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bool haveFixedZMols(); |
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RealType getZTargetPos(int index); |
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RealType getZFOfFixedZMols(Molecule* mol, StuntDouble* sd, RealType totalForce) ; |
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RealType getZFOfMovingMols(Molecule* mol, RealType totalForce) ; |
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RealType getHFOfFixedZMols(Molecule* mol, StuntDouble* sd, RealType totalForce); |
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RealType getHFOfUnconsMols(Molecule* mol, RealType totalForce); |
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|
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std::list<ZconstraintMol> movingZMols_; /**< moving zconstraint molecules*/ |
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std::list<ZconstraintMol> fixedZMols_; /**< fixed zconstraint molecules*/ |
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std::vector<Molecule*> unzconsMols_; /**< free molecules*/ |
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|
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RealType zconsTime_; |
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std::string zconsOutput_; |
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RealType zconsTol_; |
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bool usingSMD_; |
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RealType zconsFixingTime_; |
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RealType zconsGap_; |
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bool usingZconsGap_; |
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RealType dt_; |
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|
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const static int whichDirection = 2; |
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|
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std::map<int, ZconstraintParam> allZMolIndices_; |
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|
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Snapshot* currSnapshot_; |
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RealType currZconsTime_; |
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|
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RealType totMassMovingZMols_; |
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RealType totMassUnconsMols_; /**< mass of unconstraint molecules in the whole system (never change) */ |
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|
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ZConsWriter* fzOut; |
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const RealType infiniteTime; |
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}; |
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|
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} |
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#endif |