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root/group/trunk/OOPSE/libmdtools/Integrator.hpp
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Comparing trunk/OOPSE/libmdtools/Integrator.hpp (file contents):
Revision 738 by tim, Tue Sep 2 14:30:12 2003 UTC vs.
Revision 780 by mmeineke, Mon Sep 22 21:23:25 2003 UTC

# Line 27 | Line 27 | template<typename T = BaseIntegrator> class Integrator
27    Integrator( SimInfo *theInfo, ForceFields* the_ff );
28    virtual ~Integrator();
29    void integrate( void );
30 +  virtual double  getConservedQuantity(void);
31  
31 –
32   protected:
33 <  
33 >
34    virtual void integrateStep( int calcPot, int calcStress );
35    virtual void preMove( void );
36    virtual void moveA( void );
# Line 39 | Line 39 | template<typename T = BaseIntegrator> class Integrator
39    virtual void constrainB( void );
40    virtual int  readyCheck( void ) { return 1; }
41  
42 +  virtual void resetIntegrator( void ) { }
43 +
44    virtual void calcForce( int calcPot, int calcStress );  
45    virtual void thermalize();
46    
47 +  virtual void rotationPropagation( DirectionalAtom* dAtom, double ji[3] );
48 +
49    void checkConstraints( void );
50    void rotate( int axes1, int axes2, double angle, double j[3],
51           double A[3][3] );
# Line 93 | Line 97 | template<typename T> class NVT : public T { (public)
97   public:
98  
99    NVT ( SimInfo *theInfo, ForceFields* the_ff);
100 <  virtual ~NVT() {}
100 >  virtual ~NVT();
101  
102    void setTauThermostat(double tt) {tauThermostat = tt; have_tau_thermostat=1;}
103    void setTargetTemp(double tt) {targetTemp = tt; have_target_temp = 1;}
104 +  void setChiTolerance(double tol) {chiTolerance = tol;}
105 +  virtual double  getConservedQuantity(void);
106  
107   protected:
108  
# Line 105 | Line 111 | template<typename T> class NVT : public T { (public)
111  
112    virtual int readyCheck();
113  
114 +  virtual void resetIntegrator( void );
115 +
116    // chi is a propagated degree of freedom.
117  
118    double chi;
119  
120 +  //integral of chi(t)dt
121 +  double integralOfChidt;
122 +
123    // targetTemp must be set.  tauThermostat must also be set;
124  
125    double targetTemp;
# Line 116 | Line 127 | template<typename T> class NVT : public T { (public)
127    
128    short int have_tau_thermostat, have_target_temp;
129  
130 +  double *oldVel;
131 +  double *oldJi;
132 +
133 +  double chiTolerance;
134 +  short int have_chi_tolerance;
135 +
136   };
137  
138  
139  
140 < template<typename T> class NPTi : public T{
140 > template<typename T> class NPT : public T{
141  
142   public:
143  
144 <  NPTi ( SimInfo *theInfo, ForceFields* the_ff);
145 <  virtual ~NPTi() {};
146 <
144 >  NPT ( SimInfo *theInfo, ForceFields* the_ff);
145 >  virtual ~NPT();
146 >  
147    virtual void integrateStep( int calcPot, int calcStress ){
148      calcStress = 1;
149      T::integrateStep( calcPot, calcStress );
150    }
151  
152 +  virtual double getConservedQuantity(void) = 0;
153 +
154    void setTauThermostat(double tt) {tauThermostat = tt; have_tau_thermostat=1;}
155    void setTauBarostat(double tb) {tauBarostat = tb; have_tau_barostat=1;}
156    void setTargetTemp(double tt) {targetTemp = tt; have_target_temp = 1;}
157    void setTargetPressure(double tp) {targetPressure = tp; have_target_pressure = 1;}
158 +  void setChiTolerance(double tol) {chiTolerance = tol; have_chi_tolerance = 1;}
159 +  void setPosIterTolerance(double tol) {posIterTolerance = tol; have_pos_iter_tolerance = 1;}
160 +  void setEtaTolerance(double tol) {etaTolerance = tol; have_eta_tolerance = 1;}
161  
162   protected:
163  
# Line 144 | Line 166 | template<typename T> class NPTi : public T{ (protected
166  
167    virtual int readyCheck();
168  
169 +  virtual void resetIntegrator( void );
170 +
171 +  virtual void getVelScaleA( double sc[3], double vel[3] ) = 0;
172 +  virtual void getVelScaleB( double sc[3], int index ) = 0;
173 +  virtual void getPosScale(double pos[3], double COM[3],
174 +                           int index, double sc[3]) = 0;
175 +
176 +  virtual bool chiConverged( void );
177 +  virtual bool etaConverged( void ) = 0;
178 +  
179 +  virtual void evolveChiA( void );
180 +  virtual void evolveEtaA( void ) = 0;
181 +  virtual void evolveChiB( void );
182 +  virtual void evolveEtaB( void ) = 0;
183 +
184 +  virtual void scaleSimBox( void ) = 0;
185 +
186 +  void accIntegralOfChidt(void) { integralOfChidt += dt * chi;}
187 +
188    // chi and eta are the propagated degrees of freedom
189  
190 +  double oldChi;
191 +  double prevChi;
192    double chi;
150 –  double eta;
193    double NkBT;
194 +  double fkBT;
195  
196 +  double tt2, tb2;
197 +  double instaTemp, instaPress, instaVol;
198 +  double press[3][3];
199 +
200 +  int Nparticles;
201 +
202 +  double integralOfChidt;
203 +
204    // targetTemp, targetPressure, and tauBarostat must be set.  
205    // One of qmass or tauThermostat must be set;
206  
# Line 161 | Line 212 | template<typename T> class NPTi : public T{ (protected
212    short int have_tau_thermostat, have_tau_barostat, have_target_temp;
213    short int have_target_pressure;
214  
215 +  double *oldPos;
216 +  double *oldVel;
217 +  double *oldJi;
218 +
219 +  double chiTolerance;
220 +  short int have_chi_tolerance;
221 +  double posIterTolerance;
222 +  short int have_pos_iter_tolerance;
223 +  double etaTolerance;
224 +  short int have_eta_tolerance;
225 +
226   };
227  
228 < template<typename T> class NPTim : public T{
228 > template<typename T> class NPTi : public T{
229 >  
230 > public:
231 >  NPTi( SimInfo *theInfo, ForceFields* the_ff);
232 >  ~NPTi();
233 >
234 >  virtual double getConservedQuantity(void);
235 >  virtual void resetIntegrator(void);
236 >
237 > protected:
238 >
239 >
240 >
241 >  virtual void evolveEtaA(void);
242 >  virtual void evolveEtaB(void);
243  
244 +  virtual bool etaConverged( void );
245 +
246 +  virtual void scaleSimBox( void );
247 +
248 +  virtual void getVelScaleA( double sc[3], double vel[3] );
249 +  virtual void getVelScaleB( double sc[3], int index );
250 +  virtual void getPosScale(double pos[3], double COM[3],
251 +                           int index, double sc[3]);
252 +
253 +  double eta, oldEta, prevEta;
254 + };
255 +
256 + template<typename T> class NPTzm : public T{
257 +
258   public:
259  
260 <  NPTim ( SimInfo *theInfo, ForceFields* the_ff);
261 <  virtual ~NPTim() {};
260 >  NPTzm ( SimInfo *theInfo, ForceFields* the_ff);
261 >  virtual ~NPTzm() {};
262  
263    virtual void integrateStep( int calcPot, int calcStress ){
264      calcStress = 1;
# Line 187 | Line 277 | template<typename T> class NPTim : public T{ (protecte
277  
278    virtual int readyCheck();
279  
280 +  virtual void resetIntegrator( void );
281 +
282    Molecule* myMolecules;
283    Atom** myAtoms;
284  
# Line 194 | Line 286 | template<typename T> class NPTim : public T{ (protecte
286  
287    double chi;
288    double eta;
289 +  double etaZ;
290    double NkBT;
291  
292    // targetTemp, targetPressure, and tauBarostat must be set.  
# Line 214 | Line 307 | template<typename T> class NPTf : public T{ (public)
307   public:
308  
309    NPTf ( SimInfo *theInfo, ForceFields* the_ff);
310 <  virtual ~NPTf() {};
310 >  virtual ~NPTf();
311 >
312 >  virtual double getConservedQuantity(void);
313 >  virtual void resetIntegrator(void);
314 >
315 > protected:
316 >
317 >  virtual void evolveEtaA(void);
318 >  virtual void evolveEtaB(void);
319 >
320 >  virtual bool etaConverged( void );
321 >
322 >  virtual void scaleSimBox( void );
323 >
324 >  virtual void getVelScaleA( double sc[3], double vel[3] );
325 >  virtual void getVelScaleB( double sc[3], int index );
326 >  virtual void getPosScale(double pos[3], double COM[3],
327 >                           int index, double sc[3]);
328 >
329 >  double eta[3][3];
330 >  double oldEta[3][3];
331 >  double prevEta[3][3];
332 > };
333 >
334 > template<typename T> class NPTxym : public T{
335  
336 + public:
337 +
338 +  NPTxym ( SimInfo *theInfo, ForceFields* the_ff);
339 +  virtual ~NPTxym() {};
340 +
341    virtual void integrateStep( int calcPot, int calcStress ){
342      calcStress = 1;
343      T::integrateStep( calcPot, calcStress );
# Line 228 | Line 350 | template<typename T> class NPTf : public T{ (public)
350  
351   protected:
352  
353 <  virtual void  moveA( void );
353 >  virtual void moveA( void );
354    virtual void moveB( void );
355  
356    virtual int readyCheck();
357  
358 +  virtual void resetIntegrator( void );
359 +
360 +  Molecule* myMolecules;
361 +  Atom** myAtoms;
362 +
363    // chi and eta are the propagated degrees of freedom
364  
365    double chi;
366 <  double eta[3][3];
366 >  double eta;
367 >  double etaX;
368 >  double etaY;
369    double NkBT;
370  
371    // targetTemp, targetPressure, and tauBarostat must be set.  
# Line 252 | Line 381 | template<typename T> class NPTfm : public T{
381  
382   };
383  
384 +
385   template<typename T> class NPTfm : public T{
386  
387   public:
# Line 262 | Line 392 | template<typename T> class NPTfm : public T{ (public)
392    virtual void integrateStep( int calcPot, int calcStress ){
393      calcStress = 1;
394      T::integrateStep( calcPot, calcStress );
395 +    accIntegralOfChidt();
396    }
397  
398 +  virtual double getConservedQuantity(void);
399 +  
400    void setTauThermostat(double tt) {tauThermostat = tt; have_tau_thermostat=1;}
401    void setTauBarostat(double tb) {tauBarostat = tb; have_tau_barostat=1;}
402    void setTargetTemp(double tt) {targetTemp = tt; have_target_temp = 1;}
403    void setTargetPressure(double tp) {targetPressure = tp; have_target_pressure = 1;}
404 +  void setChiTolerance(double tol) {chiTolerance = tol;}
405 +  void setPosIterTolerance(double tol) {posIterTolerance = tol;}
406  
407   protected:
408  
409    virtual void  moveA( void );
410    virtual void moveB( void );
411  
412 +  virtual void resetIntegrator( void );
413 +
414    virtual int readyCheck();
415  
416 +  void accIntegralOfChidt(void) { integralOfChidt += dt * chi;}
417 +
418    Molecule* myMolecules;
419    Atom** myAtoms;
420  
# Line 284 | Line 423 | template<typename T> class NPTfm : public T{ (public)
423    double chi;
424    double eta[3][3];
425    double NkBT;
426 +  double integralOfChidt;
427  
428    // targetTemp, targetPressure, and tauBarostat must be set.  
429    // One of qmass or tauThermostat must be set;
# Line 295 | Line 435 | template<typename T> class NPTfm : public T{ (public)
435  
436    short int have_tau_thermostat, have_tau_barostat, have_target_temp;
437    short int have_target_pressure;
438 +  double chiTolerance;
439 +  short int have_chi_tolerance;
440 +  double posIterTolerance;
441 +  short int have_pos_iter_tolerance;
442  
443   };
444  
# Line 315 | Line 459 | template<typename T> class NPTpr : public T{ (public)
459    void setTauBarostat(double tb) {tauBarostat = tb; have_tau_barostat=1;}
460    void setTargetTemp(double tt) {targetTemp = tt; have_target_temp = 1;}
461    void setTargetPressure(double tp) {targetPressure = tp; have_target_pressure = 1;}
462 +  void setChiTolerance(double tol) {chiTolerance = tol;}
463 +  void setPosIterTolerance(double tol) {posIterTolerance = tol;}
464  
465   protected:
466  
# Line 323 | Line 469 | template<typename T> class NPTpr : public T{ (public)
469  
470    virtual int readyCheck();
471  
472 +  virtual void resetIntegrator( void );
473 +
474    // chi and eta are the propagated degrees of freedom
475  
476    double chi;
# Line 339 | Line 487 | template<typename T> class NPTpr : public T{ (public)
487  
488    short int have_tau_thermostat, have_tau_barostat, have_target_temp;
489    short int have_target_pressure;
490 +  double chiTolerance;
491 +  short int have_chi_tolerance;
492 +  double posIterTolerance;
493 +  short int have_pos_iter_tolerance;
494  
495   };
496  
# Line 361 | Line 513 | template<typename T> class ZConstraint : public T {
513    };
514  
515    class PolicyByNumber : public ForceSubtractionPolicy{
516 +
517      public:
518        PolicyByNumber(ZConstraint<T>* integrator) :ForceSubtractionPolicy(integrator) {}    
519        virtual void update();    
# Line 370 | Line 523 | template<typename T> class ZConstraint : public T {
523        virtual double getHFOfUnconsMols(Atom* atom, double totalForce);
524      
525      private:
526 <    int totNumOfMovingAtoms;
526 >      int totNumOfMovingAtoms;
527    };
528  
529    class PolicyByMass : public ForceSubtractionPolicy{
530 +
531      public:
532        PolicyByMass(ZConstraint<T>* integrator) :ForceSubtractionPolicy(integrator) {}  
533        
# Line 467 | Line 621 | template<typename T> class ZConstraint : public T {
621    double calcSysCOMVel();
622    double calcTotalForce();
623    
624 <  ForceSubtractionPolicy* forcePolicy; //force substration policy
624 >  ForceSubtractionPolicy* forcePolicy; //force subtraction policy
625    friend class ForceSubtractionPolicy;
626  
627   };

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