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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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* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
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* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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|
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/** |
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* @file RNEMD.hpp |
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* @author gezelter |
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* @date 03/13/2009 |
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* @time 15:56pm |
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* @version 1.0 |
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*/ |
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|
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using namespace std; |
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namespace OpenMD { |
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|
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/** |
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* @class RNEMD RNEMD.hpp "integrators/RNEMD.hpp" |
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* @todo document |
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*/ |
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class RNEMD { |
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public: |
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RNEMD(SimInfo* info); |
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|
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void doRNEMD(); |
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void doSwap(); |
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void doScale(); |
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void doShiftScale(); |
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void doNIVS(); |
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> |
void doVSS(); |
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void collectData(); |
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void getStarted(); |
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void getStatus(); |
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void set_RNEMD_exchange_time(RealType exchangeTime) { |
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exchangeTime_ = exchangeTime; |
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} |
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void set_RNEMD_nBins(int nbins) { nBins_ = nbins; } |
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void set_RNEMD_logWidth(int logWidth) { rnemdLogWidth_ = logWidth; } |
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void set_RNEMD_exchange_total(RealType et) { exchangeSum_ = et; } |
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void set_RNEMD_target_flux(RealType targetFlux) {targetFlux_ = targetFlux;} |
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void set_RNEMD_target_JzKE(RealType targetJzKE) {targetJzKE_ = targetJzKE;} |
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void set_RNEMD_target_jzpx(RealType targetJzpx) {targetJzpx_ = targetJzpx;} |
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void set_RNEMD_target_jzpy(RealType targetJzpy) {targetJzpy_ = targetJzpy;} |
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void set_RNEMD_target_jzpz(RealType targetJzpz) {targetJzpz_ = targetJzpz;} |
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RealType get_RNEMD_exchange_total() { return exchangeSum_; } |
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bool inSlabA(Vector3d pos); |
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> |
bool inSlabB(Vector3d pos); |
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> |
void parseOutputFileFormat(const std::string& format); |
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> |
void writeOutputFile(); |
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> |
void writeReal(int index, unsigned int bin); |
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> |
void writeVector(int index, unsigned int bin); |
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> |
void writeRealStdDev(int index, unsigned int bin); |
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> |
void writeVectorStdDev(int index, unsigned int bin); |
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|
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private: |
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|
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enum RNEMDTypeEnum { |
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rnemdKineticSwap, |
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rnemdKineticScale, |
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< |
rnemdKineticScaleVAM, |
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< |
rnemdKineticScaleAM, |
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rnemdPxScale, |
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< |
rnemdPyScale, |
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< |
rnemdPzScale, |
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< |
rnemdPx, |
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< |
rnemdPy, |
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< |
rnemdPz, |
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< |
rnemdShiftScaleV, |
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rnemdShiftScaleVAM, |
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rnemdUnknown |
83 |
> |
enum RNEMDMethod { |
84 |
> |
rnemdSwap, |
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> |
rnemdNIVS, |
86 |
> |
rnemdVSS, |
87 |
> |
rnemdUnkownMethod |
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}; |
89 |
+ |
enum RNEMDFluxType { |
90 |
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rnemdKE, // translational kinetic energy flux |
91 |
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rnemdRotKE, // rotational kinetic energy flux |
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rnemdFullKE, // full kinetic energy flux |
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rnemdPx, // flux of momentum along x axis |
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rnemdPy, // flux of momentum along y axis |
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rnemdPz, // flux of momentum along z axis |
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rnemdPvector, // flux of momentum vector |
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rnemdKePx, // flux of translational KE and x-momentum |
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rnemdKePy, // flux of translational KE and y-momentum |
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rnemdKePvector, // full combo platter |
100 |
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rnemdUnknownFluxType |
101 |
+ |
}; |
102 |
+ |
|
103 |
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enum OutputFields { |
104 |
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BEGININDEX = 0, |
105 |
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Z = BEGININDEX, |
106 |
+ |
TEMPERATURE, |
107 |
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VELOCITY, |
108 |
+ |
DENSITY, |
109 |
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ENDINDEX |
110 |
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}; |
111 |
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|
112 |
+ |
struct OutputData { |
113 |
+ |
string title; |
114 |
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string units; |
115 |
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string dataType; |
116 |
+ |
vector<Accumulator*> accumulator; |
117 |
+ |
}; |
118 |
+ |
|
119 |
+ |
typedef bitset<ENDINDEX-BEGININDEX> OutputBitSet; |
120 |
+ |
typedef map<string, OutputFields> OutputMapType; |
121 |
|
|
122 |
|
SimInfo* info_; |
123 |
< |
RandNumGen* randNumGen_; |
124 |
< |
map<string, RNEMDTypeEnum> stringToEnumMap_; |
125 |
< |
RNEMDTypeEnum rnemdType_; |
123 |
> |
|
124 |
> |
map<string, RNEMDMethod> stringToMethod_; |
125 |
> |
map<string, RNEMDFluxType> stringToFluxType_; |
126 |
> |
RNEMDMethod rnemdMethod_; |
127 |
> |
RNEMDFluxType rnemdFluxType_; |
128 |
|
string rnemdObjectSelection_; |
129 |
|
SelectionEvaluator evaluator_; |
130 |
|
SelectionManager seleMan_; |
131 |
|
bool usePeriodicBoundaryConditions_; |
132 |
< |
bool outputTemp_; |
133 |
< |
bool outputVx_; |
134 |
< |
bool outputVy_; |
135 |
< |
bool output3DTemp_; |
136 |
< |
bool outputRotTemp_; |
137 |
< |
int nBins_; /**< The number of bins to divide the simulation box into. */ |
138 |
< |
/*! |
139 |
< |
The middle bin for the RNEMD method. midBin_ = nBins_/2; |
140 |
< |
Depending on the setting of the flux, this box should contain the minimum energy (temperature) |
141 |
< |
within the simulation. |
142 |
< |
*/ |
143 |
< |
int midBin_; |
144 |
< |
int rnemdLogWidth_; /**< Number of elements to print out in logs */ |
145 |
< |
RealType zShift_; |
132 |
> |
int nBins_; |
133 |
> |
RealType slabWidth_; |
134 |
> |
RealType slabACenter_; |
135 |
> |
RealType slabBCenter_; |
136 |
> |
|
137 |
> |
RealType kineticFlux_; // target or desired *flux* |
138 |
> |
Vector3d momentumFluxVector_; // target or desired *flux* |
139 |
> |
|
140 |
> |
RealType kineticTarget_; // target or desired one-time exchange energy |
141 |
> |
Vector3d momentumTarget_; // target or desired one-time exchange momentum |
142 |
> |
|
143 |
> |
RealType kineticExchange_; // actual exchange energy (running total) |
144 |
> |
Vector3d momentumExchange_; // actual exchange momentum (running total) |
145 |
> |
|
146 |
|
RealType exchangeTime_; |
131 |
– |
RealType targetFlux_; |
132 |
– |
RealType targetJzKE_; |
133 |
– |
RealType targetJzpx_; |
134 |
– |
RealType targetJzpy_; |
135 |
– |
RealType targetJzpz_; |
136 |
– |
Vector3d jzp_, njzp_; |
137 |
– |
RealType exchangeSum_; |
138 |
– |
int failTrialCount_; |
139 |
– |
int failRootCount_; |
140 |
– |
ofstream tempLog_, vxzLog_, vyzLog_; |
141 |
– |
ofstream xTempLog_, yTempLog_, zTempLog_, rotTempLog_; |
142 |
– |
// keeps track of what's being averaged |
143 |
– |
vector<RealType> tempHist_, pxzHist_, pyzHist_, mHist_; |
144 |
– |
vector<RealType> xTempHist_, yTempHist_, zTempHist_, rotTempHist_; |
145 |
– |
// keeps track of the number of degrees of freedom being averaged |
146 |
– |
//vector<int> pxzCount_, pyzCount_; |
147 |
– |
vector<int> tempCount_, xyzTempCount_, rotTempCount_; |
148 |
– |
}; |
147 |
|
|
148 |
+ |
RealType targetJzpz2_; |
149 |
+ |
|
150 |
+ |
unsigned int trialCount_; |
151 |
+ |
unsigned int failTrialCount_; |
152 |
+ |
unsigned int failRootCount_; |
153 |
+ |
|
154 |
+ |
string rnemdFileName_; |
155 |
+ |
ofstream rnemdFile_; |
156 |
+ |
|
157 |
+ |
RealType runTime_, statusTime_; |
158 |
+ |
|
159 |
+ |
vector<OutputData> data_; |
160 |
+ |
OutputBitSet outputMask_; |
161 |
+ |
OutputMapType outputMap_; |
162 |
+ |
Accumulator* areaAccumulator_; |
163 |
+ |
bool doRNEMD_; |
164 |
+ |
|
165 |
+ |
}; |
166 |
|
} |
167 |
|
#endif //INTEGRATORS_RNEMD_HPP |