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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
Revision: 984
Committed: Mon Jan 26 21:52:56 2004 UTC (20 years, 5 months ago) by gezelter
File size: 45965 byte(s)
Log Message:
Convert Eulers in degrees into radians

File Contents

# Content
1 #include <algorithm>
2 #include <stdlib.h>
3 #include <iostream>
4 #include <math.h>
5 #include <string>
6 #include <sprng.h>
7 #include "SimSetup.hpp"
8 #include "ReadWrite.hpp"
9 #include "parse_me.h"
10 #include "Integrator.hpp"
11 #include "simError.h"
12
13 #ifdef IS_MPI
14 #include "mpiBASS.h"
15 #include "mpiSimulation.hpp"
16 #endif
17
18 // some defines for ensemble and Forcefield cases
19
20 #define NVE_ENS 0
21 #define NVT_ENS 1
22 #define NPTi_ENS 2
23 #define NPTf_ENS 3
24 #define NPTxyz_ENS 4
25
26
27 #define FF_DUFF 0
28 #define FF_LJ 1
29 #define FF_EAM 2
30
31 using namespace std;
32
33 /**
34 * Check whether dividend is divisble by divisor or not
35 */
36 bool isDivisible(double dividend, double divisor){
37 double tolerance = 0.000001;
38 double quotient;
39 double diff;
40 int intQuotient;
41
42 quotient = dividend / divisor;
43
44 if (quotient < 0)
45 quotient = -quotient;
46
47 intQuotient = int (quotient + tolerance);
48
49 diff = fabs(fabs(dividend) - intQuotient * fabs(divisor));
50
51 if (diff <= tolerance)
52 return true;
53 else
54 return false;
55 }
56
57 SimSetup::SimSetup(){
58
59 initSuspend = false;
60 isInfoArray = 0;
61 nInfo = 1;
62
63 stamps = new MakeStamps();
64 globals = new Globals();
65
66
67 #ifdef IS_MPI
68 strcpy(checkPointMsg, "SimSetup creation successful");
69 MPIcheckPoint();
70 #endif // IS_MPI
71 }
72
73 SimSetup::~SimSetup(){
74 delete stamps;
75 delete globals;
76 }
77
78 void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
79 info = the_info;
80 nInfo = theNinfo;
81 isInfoArray = 1;
82 initSuspend = true;
83 }
84
85
86 void SimSetup::parseFile(char* fileName){
87 #ifdef IS_MPI
88 if (worldRank == 0){
89 #endif // is_mpi
90
91 inFileName = fileName;
92 set_interface_stamps(stamps, globals);
93
94 #ifdef IS_MPI
95 mpiEventInit();
96 #endif
97
98 yacc_BASS(fileName);
99
100 #ifdef IS_MPI
101 throwMPIEvent(NULL);
102 }
103 else{
104 receiveParse();
105 }
106 #endif
107
108 }
109
110 #ifdef IS_MPI
111 void SimSetup::receiveParse(void){
112 set_interface_stamps(stamps, globals);
113 mpiEventInit();
114 MPIcheckPoint();
115 mpiEventLoop();
116 }
117
118 #endif // is_mpi
119
120 void SimSetup::createSim(void){
121
122 // gather all of the information from the Bass file
123
124 gatherInfo();
125
126 // creation of complex system objects
127
128 sysObjectsCreation();
129
130 // check on the post processing info
131
132 finalInfoCheck();
133
134 // initialize the system coordinates
135
136 if ( !initSuspend ){
137 initSystemCoords();
138
139 if( !(globals->getUseInitTime()) )
140 info[0].currentTime = 0.0;
141 }
142
143 // make the output filenames
144
145 makeOutNames();
146
147 // make the integrator
148
149 makeIntegrator();
150
151 #ifdef IS_MPI
152 mpiSim->mpiRefresh();
153 #endif
154
155 // initialize the Fortran
156
157 initFortran();
158 }
159
160
161 void SimSetup::makeMolecules(void){
162 int k;
163 int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
164 molInit molInfo;
165 DirectionalAtom* dAtom;
166 LinkedAssign* extras;
167 LinkedAssign* current_extra;
168 AtomStamp* currentAtom;
169 BondStamp* currentBond;
170 BendStamp* currentBend;
171 TorsionStamp* currentTorsion;
172
173 bond_pair* theBonds;
174 bend_set* theBends;
175 torsion_set* theTorsions;
176
177 //init the forceField paramters
178
179 the_ff->readParams();
180
181
182 // init the atoms
183
184 double phi, theta, psi;
185 double sux, suy, suz;
186 double Axx, Axy, Axz, Ayx, Ayy, Ayz, Azx, Azy, Azz;
187 double ux, uy, uz, u, uSqr;
188
189 for (k = 0; k < nInfo; k++){
190 the_ff->setSimInfo(&(info[k]));
191
192 atomOffset = 0;
193 excludeOffset = 0;
194 for (i = 0; i < info[k].n_mol; i++){
195 stampID = info[k].molecules[i].getStampID();
196
197 molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
198 molInfo.nBonds = comp_stamps[stampID]->getNBonds();
199 molInfo.nBends = comp_stamps[stampID]->getNBends();
200 molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
201 molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
202
203 molInfo.myAtoms = &(info[k].atoms[atomOffset]);
204 molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
205 molInfo.myBonds = new Bond * [molInfo.nBonds];
206 molInfo.myBends = new Bend * [molInfo.nBends];
207 molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
208
209 theBonds = new bond_pair[molInfo.nBonds];
210 theBends = new bend_set[molInfo.nBends];
211 theTorsions = new torsion_set[molInfo.nTorsions];
212
213 // make the Atoms
214
215 for (j = 0; j < molInfo.nAtoms; j++){
216 currentAtom = comp_stamps[stampID]->getAtom(j);
217 if (currentAtom->haveOrientation()){
218 dAtom = new DirectionalAtom((j + atomOffset),
219 info[k].getConfiguration());
220 info[k].n_oriented++;
221 molInfo.myAtoms[j] = dAtom;
222
223 // Directional Atoms have standard unit vectors which are oriented
224 // in space using the three Euler angles. We assume the standard
225 // unit vector was originally along the z axis below.
226
227 phi = currentAtom->getEulerPhi() * M_PI / 180.0;
228 theta = currentAtom->getEulerTheta() * M_PI / 180.0;
229 psi = currentAtom->getEulerPsi()* M_PI / 180.0;
230
231 Axx = (cos(phi) * cos(psi)) - (sin(phi) * cos(theta) * sin(psi));
232 Axy = (sin(phi) * cos(psi)) + (cos(phi) * cos(theta) * sin(psi));
233 Axz = sin(theta) * sin(psi);
234
235 Ayx = -(cos(phi) * sin(psi)) - (sin(phi) * cos(theta) * cos(psi));
236 Ayy = -(sin(phi) * sin(psi)) + (cos(phi) * cos(theta) * cos(psi));
237 Ayz = sin(theta) * cos(psi);
238
239 Azx = sin(phi) * sin(theta);
240 Azy = -cos(phi) * sin(theta);
241 Azz = cos(theta);
242
243 sux = 0.0;
244 suy = 0.0;
245 suz = 1.0;
246
247 ux = (Axx * sux) + (Ayx * suy) + (Azx * suz);
248 uy = (Axy * sux) + (Ayy * suy) + (Azy * suz);
249 uz = (Axz * sux) + (Ayz * suy) + (Azz * suz);
250
251 uSqr = (ux * ux) + (uy * uy) + (uz * uz);
252
253 u = sqrt(uSqr);
254 ux = ux / u;
255 uy = uy / u;
256 uz = uz / u;
257
258 dAtom->setSUx(ux);
259 dAtom->setSUy(uy);
260 dAtom->setSUz(uz);
261 }
262 else{
263 molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
264 info[k].getConfiguration());
265 }
266 molInfo.myAtoms[j]->setType(currentAtom->getType());
267
268 #ifdef IS_MPI
269
270 molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
271
272 #endif // is_mpi
273 }
274
275 // make the bonds
276 for (j = 0; j < molInfo.nBonds; j++){
277 currentBond = comp_stamps[stampID]->getBond(j);
278 theBonds[j].a = currentBond->getA() + atomOffset;
279 theBonds[j].b = currentBond->getB() + atomOffset;
280
281 exI = theBonds[j].a;
282 exJ = theBonds[j].b;
283
284 // exclude_I must always be the smaller of the pair
285 if (exI > exJ){
286 tempEx = exI;
287 exI = exJ;
288 exJ = tempEx;
289 }
290 #ifdef IS_MPI
291 tempEx = exI;
292 exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
293 tempEx = exJ;
294 exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
295
296 info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
297 #else // isn't MPI
298
299 info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
300 #endif //is_mpi
301 }
302 excludeOffset += molInfo.nBonds;
303
304 //make the bends
305 for (j = 0; j < molInfo.nBends; j++){
306 currentBend = comp_stamps[stampID]->getBend(j);
307 theBends[j].a = currentBend->getA() + atomOffset;
308 theBends[j].b = currentBend->getB() + atomOffset;
309 theBends[j].c = currentBend->getC() + atomOffset;
310
311 if (currentBend->haveExtras()){
312 extras = currentBend->getExtras();
313 current_extra = extras;
314
315 while (current_extra != NULL){
316 if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
317 switch (current_extra->getType()){
318 case 0:
319 theBends[j].ghost = current_extra->getInt() + atomOffset;
320 theBends[j].isGhost = 1;
321 break;
322
323 case 1:
324 theBends[j].ghost = (int) current_extra->getDouble() +
325 atomOffset;
326 theBends[j].isGhost = 1;
327 break;
328
329 default:
330 sprintf(painCave.errMsg,
331 "SimSetup Error: ghostVectorSource was neither a "
332 "double nor an int.\n"
333 "-->Bend[%d] in %s\n",
334 j, comp_stamps[stampID]->getID());
335 painCave.isFatal = 1;
336 simError();
337 }
338 }
339 else{
340 sprintf(painCave.errMsg,
341 "SimSetup Error: unhandled bend assignment:\n"
342 " -->%s in Bend[%d] in %s\n",
343 current_extra->getlhs(), j, comp_stamps[stampID]->getID());
344 painCave.isFatal = 1;
345 simError();
346 }
347
348 current_extra = current_extra->getNext();
349 }
350 }
351
352 if (!theBends[j].isGhost){
353 exI = theBends[j].a;
354 exJ = theBends[j].c;
355 }
356 else{
357 exI = theBends[j].a;
358 exJ = theBends[j].b;
359 }
360
361 // exclude_I must always be the smaller of the pair
362 if (exI > exJ){
363 tempEx = exI;
364 exI = exJ;
365 exJ = tempEx;
366 }
367 #ifdef IS_MPI
368 tempEx = exI;
369 exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
370 tempEx = exJ;
371 exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
372
373 info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
374 #else // isn't MPI
375 info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
376 #endif //is_mpi
377 }
378 excludeOffset += molInfo.nBends;
379
380 for (j = 0; j < molInfo.nTorsions; j++){
381 currentTorsion = comp_stamps[stampID]->getTorsion(j);
382 theTorsions[j].a = currentTorsion->getA() + atomOffset;
383 theTorsions[j].b = currentTorsion->getB() + atomOffset;
384 theTorsions[j].c = currentTorsion->getC() + atomOffset;
385 theTorsions[j].d = currentTorsion->getD() + atomOffset;
386
387 exI = theTorsions[j].a;
388 exJ = theTorsions[j].d;
389
390 // exclude_I must always be the smaller of the pair
391 if (exI > exJ){
392 tempEx = exI;
393 exI = exJ;
394 exJ = tempEx;
395 }
396 #ifdef IS_MPI
397 tempEx = exI;
398 exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
399 tempEx = exJ;
400 exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
401
402 info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
403 #else // isn't MPI
404 info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
405 #endif //is_mpi
406 }
407 excludeOffset += molInfo.nTorsions;
408
409
410 // send the arrays off to the forceField for init.
411
412 the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
413 the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
414 the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
415 the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
416 theTorsions);
417
418
419 info[k].molecules[i].initialize(molInfo);
420
421
422 atomOffset += molInfo.nAtoms;
423 delete[] theBonds;
424 delete[] theBends;
425 delete[] theTorsions;
426 }
427 }
428
429 #ifdef IS_MPI
430 sprintf(checkPointMsg, "all molecules initialized succesfully");
431 MPIcheckPoint();
432 #endif // is_mpi
433
434 // clean up the forcefield
435
436 the_ff->calcRcut();
437 the_ff->cleanMe();
438 }
439
440 void SimSetup::initFromBass(void){
441 int i, j, k;
442 int n_cells;
443 double cellx, celly, cellz;
444 double temp1, temp2, temp3;
445 int n_per_extra;
446 int n_extra;
447 int have_extra, done;
448
449 double vel[3];
450 vel[0] = 0.0;
451 vel[1] = 0.0;
452 vel[2] = 0.0;
453
454 temp1 = (double) tot_nmol / 4.0;
455 temp2 = pow(temp1, (1.0 / 3.0));
456 temp3 = ceil(temp2);
457
458 have_extra = 0;
459 if (temp2 < temp3){
460 // we have a non-complete lattice
461 have_extra = 1;
462
463 n_cells = (int) temp3 - 1;
464 cellx = info[0].boxL[0] / temp3;
465 celly = info[0].boxL[1] / temp3;
466 cellz = info[0].boxL[2] / temp3;
467 n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
468 temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
469 n_per_extra = (int) ceil(temp1);
470
471 if (n_per_extra > 4){
472 sprintf(painCave.errMsg,
473 "SimSetup error. There has been an error in constructing"
474 " the non-complete lattice.\n");
475 painCave.isFatal = 1;
476 simError();
477 }
478 }
479 else{
480 n_cells = (int) temp3;
481 cellx = info[0].boxL[0] / temp3;
482 celly = info[0].boxL[1] / temp3;
483 cellz = info[0].boxL[2] / temp3;
484 }
485
486 current_mol = 0;
487 current_comp_mol = 0;
488 current_comp = 0;
489 current_atom_ndx = 0;
490
491 for (i = 0; i < n_cells ; i++){
492 for (j = 0; j < n_cells; j++){
493 for (k = 0; k < n_cells; k++){
494 makeElement(i * cellx, j * celly, k * cellz);
495
496 makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
497
498 makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
499
500 makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
501 }
502 }
503 }
504
505 if (have_extra){
506 done = 0;
507
508 int start_ndx;
509 for (i = 0; i < (n_cells + 1) && !done; i++){
510 for (j = 0; j < (n_cells + 1) && !done; j++){
511 if (i < n_cells){
512 if (j < n_cells){
513 start_ndx = n_cells;
514 }
515 else
516 start_ndx = 0;
517 }
518 else
519 start_ndx = 0;
520
521 for (k = start_ndx; k < (n_cells + 1) && !done; k++){
522 makeElement(i * cellx, j * celly, k * cellz);
523 done = (current_mol >= tot_nmol);
524
525 if (!done && n_per_extra > 1){
526 makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
527 k * cellz);
528 done = (current_mol >= tot_nmol);
529 }
530
531 if (!done && n_per_extra > 2){
532 makeElement(i * cellx, j * celly + 0.5 * celly,
533 k * cellz + 0.5 * cellz);
534 done = (current_mol >= tot_nmol);
535 }
536
537 if (!done && n_per_extra > 3){
538 makeElement(i * cellx + 0.5 * cellx, j * celly,
539 k * cellz + 0.5 * cellz);
540 done = (current_mol >= tot_nmol);
541 }
542 }
543 }
544 }
545 }
546
547 for (i = 0; i < info[0].n_atoms; i++){
548 info[0].atoms[i]->setVel(vel);
549 }
550 }
551
552 void SimSetup::makeElement(double x, double y, double z){
553 int k;
554 AtomStamp* current_atom;
555 DirectionalAtom* dAtom;
556 double rotMat[3][3];
557 double pos[3];
558
559 for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
560 current_atom = comp_stamps[current_comp]->getAtom(k);
561 if (!current_atom->havePosition()){
562 sprintf(painCave.errMsg,
563 "SimSetup:initFromBass error.\n"
564 "\tComponent %s, atom %s does not have a position specified.\n"
565 "\tThe initialization routine is unable to give a start"
566 " position.\n",
567 comp_stamps[current_comp]->getID(), current_atom->getType());
568 painCave.isFatal = 1;
569 simError();
570 }
571
572 pos[0] = x + current_atom->getPosX();
573 pos[1] = y + current_atom->getPosY();
574 pos[2] = z + current_atom->getPosZ();
575
576 info[0].atoms[current_atom_ndx]->setPos(pos);
577
578 if (info[0].atoms[current_atom_ndx]->isDirectional()){
579 dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
580
581 rotMat[0][0] = 1.0;
582 rotMat[0][1] = 0.0;
583 rotMat[0][2] = 0.0;
584
585 rotMat[1][0] = 0.0;
586 rotMat[1][1] = 1.0;
587 rotMat[1][2] = 0.0;
588
589 rotMat[2][0] = 0.0;
590 rotMat[2][1] = 0.0;
591 rotMat[2][2] = 1.0;
592
593 dAtom->setA(rotMat);
594 }
595
596 current_atom_ndx++;
597 }
598
599 current_mol++;
600 current_comp_mol++;
601
602 if (current_comp_mol >= components_nmol[current_comp]){
603 current_comp_mol = 0;
604 current_comp++;
605 }
606 }
607
608
609 void SimSetup::gatherInfo(void){
610 int i;
611
612 ensembleCase = -1;
613 ffCase = -1;
614
615 // set the easy ones first
616
617 for (i = 0; i < nInfo; i++){
618 info[i].target_temp = globals->getTargetTemp();
619 info[i].dt = globals->getDt();
620 info[i].run_time = globals->getRunTime();
621 }
622 n_components = globals->getNComponents();
623
624
625 // get the forceField
626
627 strcpy(force_field, globals->getForceField());
628
629 if (!strcasecmp(force_field, "DUFF")){
630 ffCase = FF_DUFF;
631 }
632 else if (!strcasecmp(force_field, "LJ")){
633 ffCase = FF_LJ;
634 }
635 else if (!strcasecmp(force_field, "EAM")){
636 ffCase = FF_EAM;
637 }
638 else{
639 sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
640 force_field);
641 painCave.isFatal = 1;
642 simError();
643 }
644
645 // get the ensemble
646
647 strcpy(ensemble, globals->getEnsemble());
648
649 if (!strcasecmp(ensemble, "NVE")){
650 ensembleCase = NVE_ENS;
651 }
652 else if (!strcasecmp(ensemble, "NVT")){
653 ensembleCase = NVT_ENS;
654 }
655 else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
656 ensembleCase = NPTi_ENS;
657 }
658 else if (!strcasecmp(ensemble, "NPTf")){
659 ensembleCase = NPTf_ENS;
660 }
661 else if (!strcasecmp(ensemble, "NPTxyz")){
662 ensembleCase = NPTxyz_ENS;
663 }
664 else{
665 sprintf(painCave.errMsg,
666 "SimSetup Warning. Unrecognized Ensemble -> %s \n"
667 "\treverting to NVE for this simulation.\n",
668 ensemble);
669 painCave.isFatal = 0;
670 simError();
671 strcpy(ensemble, "NVE");
672 ensembleCase = NVE_ENS;
673 }
674
675 for (i = 0; i < nInfo; i++){
676 strcpy(info[i].ensemble, ensemble);
677
678 // get the mixing rule
679
680 strcpy(info[i].mixingRule, globals->getMixingRule());
681 info[i].usePBC = globals->getPBC();
682 }
683
684 // get the components and calculate the tot_nMol and indvidual n_mol
685
686 the_components = globals->getComponents();
687 components_nmol = new int[n_components];
688
689
690 if (!globals->haveNMol()){
691 // we don't have the total number of molecules, so we assume it is
692 // given in each component
693
694 tot_nmol = 0;
695 for (i = 0; i < n_components; i++){
696 if (!the_components[i]->haveNMol()){
697 // we have a problem
698 sprintf(painCave.errMsg,
699 "SimSetup Error. No global NMol or component NMol given.\n"
700 "\tCannot calculate the number of atoms.\n");
701 painCave.isFatal = 1;
702 simError();
703 }
704
705 tot_nmol += the_components[i]->getNMol();
706 components_nmol[i] = the_components[i]->getNMol();
707 }
708 }
709 else{
710 sprintf(painCave.errMsg,
711 "SimSetup error.\n"
712 "\tSorry, the ability to specify total"
713 " nMols and then give molfractions in the components\n"
714 "\tis not currently supported."
715 " Please give nMol in the components.\n");
716 painCave.isFatal = 1;
717 simError();
718 }
719
720 //check whether sample time, status time, thermal time and reset time are divisble by dt
721 if (!isDivisible(globals->getSampleTime(), globals->getDt())){
722 sprintf(painCave.errMsg,
723 "Sample time is not divisible by dt.\n"
724 "\tThis will result in samples that are not uniformly\n"
725 "\tdistributed in time. If this is a problem, change\n"
726 "\tyour sampleTime variable.\n");
727 painCave.isFatal = 0;
728 simError();
729 }
730
731 if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
732 sprintf(painCave.errMsg,
733 "Status time is not divisible by dt.\n"
734 "\tThis will result in status reports that are not uniformly\n"
735 "\tdistributed in time. If this is a problem, change \n"
736 "\tyour statusTime variable.\n");
737 painCave.isFatal = 0;
738 simError();
739 }
740
741 if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
742 sprintf(painCave.errMsg,
743 "Thermal time is not divisible by dt.\n"
744 "\tThis will result in thermalizations that are not uniformly\n"
745 "\tdistributed in time. If this is a problem, change \n"
746 "\tyour thermalTime variable.\n");
747 painCave.isFatal = 0;
748 simError();
749 }
750
751 if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
752 sprintf(painCave.errMsg,
753 "Reset time is not divisible by dt.\n"
754 "\tThis will result in integrator resets that are not uniformly\n"
755 "\tdistributed in time. If this is a problem, change\n"
756 "\tyour resetTime variable.\n");
757 painCave.isFatal = 0;
758 simError();
759 }
760
761 // set the status, sample, and thermal kick times
762
763 for (i = 0; i < nInfo; i++){
764 if (globals->haveSampleTime()){
765 info[i].sampleTime = globals->getSampleTime();
766 info[i].statusTime = info[i].sampleTime;
767 info[i].thermalTime = info[i].sampleTime;
768 }
769 else{
770 info[i].sampleTime = globals->getRunTime();
771 info[i].statusTime = info[i].sampleTime;
772 info[i].thermalTime = info[i].sampleTime;
773 }
774
775 if (globals->haveStatusTime()){
776 info[i].statusTime = globals->getStatusTime();
777 }
778
779 if (globals->haveThermalTime()){
780 info[i].thermalTime = globals->getThermalTime();
781 }
782
783 info[i].resetIntegrator = 0;
784 if( globals->haveResetTime() ){
785 info[i].resetTime = globals->getResetTime();
786 info[i].resetIntegrator = 1;
787 }
788
789 // check for the temperature set flag
790
791 if (globals->haveTempSet())
792 info[i].setTemp = globals->getTempSet();
793
794 // check for the extended State init
795
796 info[i].useInitXSstate = globals->getUseInitXSstate();
797 info[i].orthoTolerance = globals->getOrthoBoxTolerance();
798
799 }
800
801 //setup seed for random number generator
802 int seedValue;
803
804 if (globals->haveSeed()){
805 seedValue = globals->getSeed();
806
807 if(seedValue / 1E9 == 0){
808 sprintf(painCave.errMsg,
809 "Seed for sprng library should contain at least 9 digits\n"
810 "OOPSE will generate a seed for user\n");
811 painCave.isFatal = 0;
812 simError();
813
814 //using seed generated by system instead of invalid seed set by user
815 #ifndef IS_MPI
816 seedValue = make_sprng_seed();
817 #else
818 if (worldRank == 0){
819 seedValue = make_sprng_seed();
820 }
821 MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);
822 #endif
823 }
824 }//end of if branch of globals->haveSeed()
825 else{
826
827 #ifndef IS_MPI
828 seedValue = make_sprng_seed();
829 #else
830 if (worldRank == 0){
831 seedValue = make_sprng_seed();
832 }
833 MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);
834 #endif
835 }//end of globals->haveSeed()
836
837 for (int i = 0; i < nInfo; i++){
838 info[i].setSeed(seedValue);
839 }
840
841 #ifdef IS_MPI
842 strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
843 MPIcheckPoint();
844 #endif // is_mpi
845 }
846
847
848 void SimSetup::finalInfoCheck(void){
849 int index;
850 int usesDipoles;
851 int i;
852
853 for (i = 0; i < nInfo; i++){
854 // check electrostatic parameters
855
856 index = 0;
857 usesDipoles = 0;
858 while ((index < info[i].n_atoms) && !usesDipoles){
859 usesDipoles = (info[i].atoms[index])->hasDipole();
860 index++;
861 }
862
863 #ifdef IS_MPI
864 int myUse = usesDipoles;
865 MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
866 #endif //is_mpi
867
868 double theEcr, theEst;
869
870 if (globals->getUseRF()){
871 info[i].useReactionField = 1;
872
873 if (!globals->haveECR()){
874 sprintf(painCave.errMsg,
875 "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
876 "\tOOPSE will use a default value of 15.0 angstroms"
877 "\tfor the electrostaticCutoffRadius.\n");
878 painCave.isFatal = 0;
879 simError();
880 theEcr = 15.0;
881 }
882 else{
883 theEcr = globals->getECR();
884 }
885
886 if (!globals->haveEST()){
887 sprintf(painCave.errMsg,
888 "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
889 "\tOOPSE will use a default value of\n"
890 "\t0.05 * electrostaticCutoffRadius\n"
891 "\tfor the electrostaticSkinThickness\n");
892 painCave.isFatal = 0;
893 simError();
894 theEst = 0.05 * theEcr;
895 }
896 else{
897 theEst = globals->getEST();
898 }
899
900 info[i].setDefaultEcr(theEcr, theEst);
901
902 if (!globals->haveDielectric()){
903 sprintf(painCave.errMsg,
904 "SimSetup Error: No Dielectric constant was set.\n"
905 "\tYou are trying to use Reaction Field without"
906 "\tsetting a dielectric constant!\n");
907 painCave.isFatal = 1;
908 simError();
909 }
910 info[i].dielectric = globals->getDielectric();
911 }
912 else{
913 if (usesDipoles){
914 if (!globals->haveECR()){
915 sprintf(painCave.errMsg,
916 "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
917 "\tOOPSE will use a default value of 15.0 angstroms"
918 "\tfor the electrostaticCutoffRadius.\n");
919 painCave.isFatal = 0;
920 simError();
921 theEcr = 15.0;
922 }
923 else{
924 theEcr = globals->getECR();
925 }
926
927 if (!globals->haveEST()){
928 sprintf(painCave.errMsg,
929 "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
930 "\tOOPSE will use a default value of\n"
931 "\t0.05 * electrostaticCutoffRadius\n"
932 "\tfor the electrostaticSkinThickness\n");
933 painCave.isFatal = 0;
934 simError();
935 theEst = 0.05 * theEcr;
936 }
937 else{
938 theEst = globals->getEST();
939 }
940
941 info[i].setDefaultEcr(theEcr, theEst);
942 }
943 }
944 }
945 #ifdef IS_MPI
946 strcpy(checkPointMsg, "post processing checks out");
947 MPIcheckPoint();
948 #endif // is_mpi
949 }
950
951 void SimSetup::initSystemCoords(void){
952 int i;
953
954 char* inName;
955
956 (info[0].getConfiguration())->createArrays(info[0].n_atoms);
957
958 for (i = 0; i < info[0].n_atoms; i++)
959 info[0].atoms[i]->setCoords();
960
961 if (globals->haveInitialConfig()){
962 InitializeFromFile* fileInit;
963 #ifdef IS_MPI // is_mpi
964 if (worldRank == 0){
965 #endif //is_mpi
966 inName = globals->getInitialConfig();
967 fileInit = new InitializeFromFile(inName);
968 #ifdef IS_MPI
969 }
970 else
971 fileInit = new InitializeFromFile(NULL);
972 #endif
973 fileInit->readInit(info); // default velocities on
974
975 delete fileInit;
976 }
977 else{
978
979 // no init from bass
980
981 sprintf(painCave.errMsg,
982 "Cannot intialize a simulation without an initial configuration file.\n");
983 painCave.isFatal = 1;;
984 simError();
985
986 }
987
988 #ifdef IS_MPI
989 strcpy(checkPointMsg, "Successfully read in the initial configuration");
990 MPIcheckPoint();
991 #endif // is_mpi
992 }
993
994
995 void SimSetup::makeOutNames(void){
996 int k;
997
998
999 for (k = 0; k < nInfo; k++){
1000 #ifdef IS_MPI
1001 if (worldRank == 0){
1002 #endif // is_mpi
1003
1004 if (globals->haveFinalConfig()){
1005 strcpy(info[k].finalName, globals->getFinalConfig());
1006 }
1007 else{
1008 strcpy(info[k].finalName, inFileName);
1009 char* endTest;
1010 int nameLength = strlen(info[k].finalName);
1011 endTest = &(info[k].finalName[nameLength - 5]);
1012 if (!strcmp(endTest, ".bass")){
1013 strcpy(endTest, ".eor");
1014 }
1015 else if (!strcmp(endTest, ".BASS")){
1016 strcpy(endTest, ".eor");
1017 }
1018 else{
1019 endTest = &(info[k].finalName[nameLength - 4]);
1020 if (!strcmp(endTest, ".bss")){
1021 strcpy(endTest, ".eor");
1022 }
1023 else if (!strcmp(endTest, ".mdl")){
1024 strcpy(endTest, ".eor");
1025 }
1026 else{
1027 strcat(info[k].finalName, ".eor");
1028 }
1029 }
1030 }
1031
1032 // make the sample and status out names
1033
1034 strcpy(info[k].sampleName, inFileName);
1035 char* endTest;
1036 int nameLength = strlen(info[k].sampleName);
1037 endTest = &(info[k].sampleName[nameLength - 5]);
1038 if (!strcmp(endTest, ".bass")){
1039 strcpy(endTest, ".dump");
1040 }
1041 else if (!strcmp(endTest, ".BASS")){
1042 strcpy(endTest, ".dump");
1043 }
1044 else{
1045 endTest = &(info[k].sampleName[nameLength - 4]);
1046 if (!strcmp(endTest, ".bss")){
1047 strcpy(endTest, ".dump");
1048 }
1049 else if (!strcmp(endTest, ".mdl")){
1050 strcpy(endTest, ".dump");
1051 }
1052 else{
1053 strcat(info[k].sampleName, ".dump");
1054 }
1055 }
1056
1057 strcpy(info[k].statusName, inFileName);
1058 nameLength = strlen(info[k].statusName);
1059 endTest = &(info[k].statusName[nameLength - 5]);
1060 if (!strcmp(endTest, ".bass")){
1061 strcpy(endTest, ".stat");
1062 }
1063 else if (!strcmp(endTest, ".BASS")){
1064 strcpy(endTest, ".stat");
1065 }
1066 else{
1067 endTest = &(info[k].statusName[nameLength - 4]);
1068 if (!strcmp(endTest, ".bss")){
1069 strcpy(endTest, ".stat");
1070 }
1071 else if (!strcmp(endTest, ".mdl")){
1072 strcpy(endTest, ".stat");
1073 }
1074 else{
1075 strcat(info[k].statusName, ".stat");
1076 }
1077 }
1078
1079 #ifdef IS_MPI
1080
1081 }
1082 #endif // is_mpi
1083 }
1084 }
1085
1086
1087 void SimSetup::sysObjectsCreation(void){
1088 int i, k;
1089
1090 // create the forceField
1091
1092 createFF();
1093
1094 // extract componentList
1095
1096 compList();
1097
1098 // calc the number of atoms, bond, bends, and torsions
1099
1100 calcSysValues();
1101
1102 #ifdef IS_MPI
1103 // divide the molecules among the processors
1104
1105 mpiMolDivide();
1106 #endif //is_mpi
1107
1108 // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1109
1110 makeSysArrays();
1111
1112 // make and initialize the molecules (all but atomic coordinates)
1113
1114 makeMolecules();
1115
1116 for (k = 0; k < nInfo; k++){
1117 info[k].identArray = new int[info[k].n_atoms];
1118 for (i = 0; i < info[k].n_atoms; i++){
1119 info[k].identArray[i] = info[k].atoms[i]->getIdent();
1120 }
1121 }
1122 }
1123
1124
1125 void SimSetup::createFF(void){
1126 switch (ffCase){
1127 case FF_DUFF:
1128 the_ff = new DUFF();
1129 break;
1130
1131 case FF_LJ:
1132 the_ff = new LJFF();
1133 break;
1134
1135 case FF_EAM:
1136 the_ff = new EAM_FF();
1137 break;
1138
1139 default:
1140 sprintf(painCave.errMsg,
1141 "SimSetup Error. Unrecognized force field in case statement.\n");
1142 painCave.isFatal = 1;
1143 simError();
1144 }
1145
1146 #ifdef IS_MPI
1147 strcpy(checkPointMsg, "ForceField creation successful");
1148 MPIcheckPoint();
1149 #endif // is_mpi
1150 }
1151
1152
1153 void SimSetup::compList(void){
1154 int i;
1155 char* id;
1156 LinkedMolStamp* headStamp = new LinkedMolStamp();
1157 LinkedMolStamp* currentStamp = NULL;
1158 comp_stamps = new MoleculeStamp * [n_components];
1159
1160 // make an array of molecule stamps that match the components used.
1161 // also extract the used stamps out into a separate linked list
1162
1163 for (i = 0; i < nInfo; i++){
1164 info[i].nComponents = n_components;
1165 info[i].componentsNmol = components_nmol;
1166 info[i].compStamps = comp_stamps;
1167 info[i].headStamp = headStamp;
1168 }
1169
1170
1171 for (i = 0; i < n_components; i++){
1172 id = the_components[i]->getType();
1173 comp_stamps[i] = NULL;
1174
1175 // check to make sure the component isn't already in the list
1176
1177 comp_stamps[i] = headStamp->match(id);
1178 if (comp_stamps[i] == NULL){
1179 // extract the component from the list;
1180
1181 currentStamp = stamps->extractMolStamp(id);
1182 if (currentStamp == NULL){
1183 sprintf(painCave.errMsg,
1184 "SimSetup error: Component \"%s\" was not found in the "
1185 "list of declared molecules\n",
1186 id);
1187 painCave.isFatal = 1;
1188 simError();
1189 }
1190
1191 headStamp->add(currentStamp);
1192 comp_stamps[i] = headStamp->match(id);
1193 }
1194 }
1195
1196 #ifdef IS_MPI
1197 strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1198 MPIcheckPoint();
1199 #endif // is_mpi
1200 }
1201
1202 void SimSetup::calcSysValues(void){
1203 int i;
1204
1205 int* molMembershipArray;
1206
1207 tot_atoms = 0;
1208 tot_bonds = 0;
1209 tot_bends = 0;
1210 tot_torsions = 0;
1211 for (i = 0; i < n_components; i++){
1212 tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1213 tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1214 tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1215 tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1216 }
1217
1218 tot_SRI = tot_bonds + tot_bends + tot_torsions;
1219 molMembershipArray = new int[tot_atoms];
1220
1221 for (i = 0; i < nInfo; i++){
1222 info[i].n_atoms = tot_atoms;
1223 info[i].n_bonds = tot_bonds;
1224 info[i].n_bends = tot_bends;
1225 info[i].n_torsions = tot_torsions;
1226 info[i].n_SRI = tot_SRI;
1227 info[i].n_mol = tot_nmol;
1228
1229 info[i].molMembershipArray = molMembershipArray;
1230 }
1231 }
1232
1233 #ifdef IS_MPI
1234
1235 void SimSetup::mpiMolDivide(void){
1236 int i, j, k;
1237 int localMol, allMol;
1238 int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1239
1240 mpiSim = new mpiSimulation(info);
1241
1242 globalIndex = mpiSim->divideLabor();
1243
1244 // set up the local variables
1245
1246 mol2proc = mpiSim->getMolToProcMap();
1247 molCompType = mpiSim->getMolComponentType();
1248
1249 allMol = 0;
1250 localMol = 0;
1251 local_atoms = 0;
1252 local_bonds = 0;
1253 local_bends = 0;
1254 local_torsions = 0;
1255 globalAtomIndex = 0;
1256
1257
1258 for (i = 0; i < n_components; i++){
1259 for (j = 0; j < components_nmol[i]; j++){
1260 if (mol2proc[allMol] == worldRank){
1261 local_atoms += comp_stamps[i]->getNAtoms();
1262 local_bonds += comp_stamps[i]->getNBonds();
1263 local_bends += comp_stamps[i]->getNBends();
1264 local_torsions += comp_stamps[i]->getNTorsions();
1265 localMol++;
1266 }
1267 for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1268 info[0].molMembershipArray[globalAtomIndex] = allMol;
1269 globalAtomIndex++;
1270 }
1271
1272 allMol++;
1273 }
1274 }
1275 local_SRI = local_bonds + local_bends + local_torsions;
1276
1277 info[0].n_atoms = mpiSim->getMyNlocal();
1278
1279 if (local_atoms != info[0].n_atoms){
1280 sprintf(painCave.errMsg,
1281 "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1282 "\tlocalAtom (%d) are not equal.\n",
1283 info[0].n_atoms, local_atoms);
1284 painCave.isFatal = 1;
1285 simError();
1286 }
1287
1288 info[0].n_bonds = local_bonds;
1289 info[0].n_bends = local_bends;
1290 info[0].n_torsions = local_torsions;
1291 info[0].n_SRI = local_SRI;
1292 info[0].n_mol = localMol;
1293
1294 strcpy(checkPointMsg, "Passed nlocal consistency check.");
1295 MPIcheckPoint();
1296 }
1297
1298 #endif // is_mpi
1299
1300
1301 void SimSetup::makeSysArrays(void){
1302
1303 #ifndef IS_MPI
1304 int k, j;
1305 #endif // is_mpi
1306 int i, l;
1307
1308 Atom** the_atoms;
1309 Molecule* the_molecules;
1310 Exclude** the_excludes;
1311
1312
1313 for (l = 0; l < nInfo; l++){
1314 // create the atom and short range interaction arrays
1315
1316 the_atoms = new Atom * [info[l].n_atoms];
1317 the_molecules = new Molecule[info[l].n_mol];
1318 int molIndex;
1319
1320 // initialize the molecule's stampID's
1321
1322 #ifdef IS_MPI
1323
1324
1325 molIndex = 0;
1326 for (i = 0; i < mpiSim->getTotNmol(); i++){
1327 if (mol2proc[i] == worldRank){
1328 the_molecules[molIndex].setStampID(molCompType[i]);
1329 the_molecules[molIndex].setMyIndex(molIndex);
1330 the_molecules[molIndex].setGlobalIndex(i);
1331 molIndex++;
1332 }
1333 }
1334
1335 #else // is_mpi
1336
1337 molIndex = 0;
1338 globalAtomIndex = 0;
1339 for (i = 0; i < n_components; i++){
1340 for (j = 0; j < components_nmol[i]; j++){
1341 the_molecules[molIndex].setStampID(i);
1342 the_molecules[molIndex].setMyIndex(molIndex);
1343 the_molecules[molIndex].setGlobalIndex(molIndex);
1344 for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1345 info[l].molMembershipArray[globalAtomIndex] = molIndex;
1346 globalAtomIndex++;
1347 }
1348 molIndex++;
1349 }
1350 }
1351
1352
1353 #endif // is_mpi
1354
1355
1356 if (info[l].n_SRI){
1357 Exclude::createArray(info[l].n_SRI);
1358 the_excludes = new Exclude * [info[l].n_SRI];
1359 for (int ex = 0; ex < info[l].n_SRI; ex++){
1360 the_excludes[ex] = new Exclude(ex);
1361 }
1362 info[l].globalExcludes = new int;
1363 info[l].n_exclude = info[l].n_SRI;
1364 }
1365 else{
1366 Exclude::createArray(1);
1367 the_excludes = new Exclude * ;
1368 the_excludes[0] = new Exclude(0);
1369 the_excludes[0]->setPair(0, 0);
1370 info[l].globalExcludes = new int;
1371 info[l].globalExcludes[0] = 0;
1372 info[l].n_exclude = 0;
1373 }
1374
1375 // set the arrays into the SimInfo object
1376
1377 info[l].atoms = the_atoms;
1378 info[l].molecules = the_molecules;
1379 info[l].nGlobalExcludes = 0;
1380 info[l].excludes = the_excludes;
1381
1382 the_ff->setSimInfo(info);
1383 }
1384 }
1385
1386 void SimSetup::makeIntegrator(void){
1387 int k;
1388
1389 NVE<RealIntegrator>* myNVE = NULL;
1390 NVT<RealIntegrator>* myNVT = NULL;
1391 NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1392 NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1393 NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1394
1395 for (k = 0; k < nInfo; k++){
1396 switch (ensembleCase){
1397 case NVE_ENS:
1398 if (globals->haveZconstraints()){
1399 setupZConstraint(info[k]);
1400 myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1401 }
1402 else{
1403 myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1404 }
1405
1406 info->the_integrator = myNVE;
1407 break;
1408
1409 case NVT_ENS:
1410 if (globals->haveZconstraints()){
1411 setupZConstraint(info[k]);
1412 myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1413 }
1414 else
1415 myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1416
1417 myNVT->setTargetTemp(globals->getTargetTemp());
1418
1419 if (globals->haveTauThermostat())
1420 myNVT->setTauThermostat(globals->getTauThermostat());
1421 else{
1422 sprintf(painCave.errMsg,
1423 "SimSetup error: If you use the NVT\n"
1424 "\tensemble, you must set tauThermostat.\n");
1425 painCave.isFatal = 1;
1426 simError();
1427 }
1428
1429 info->the_integrator = myNVT;
1430 break;
1431
1432 case NPTi_ENS:
1433 if (globals->haveZconstraints()){
1434 setupZConstraint(info[k]);
1435 myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1436 }
1437 else
1438 myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1439
1440 myNPTi->setTargetTemp(globals->getTargetTemp());
1441
1442 if (globals->haveTargetPressure())
1443 myNPTi->setTargetPressure(globals->getTargetPressure());
1444 else{
1445 sprintf(painCave.errMsg,
1446 "SimSetup error: If you use a constant pressure\n"
1447 "\tensemble, you must set targetPressure in the BASS file.\n");
1448 painCave.isFatal = 1;
1449 simError();
1450 }
1451
1452 if (globals->haveTauThermostat())
1453 myNPTi->setTauThermostat(globals->getTauThermostat());
1454 else{
1455 sprintf(painCave.errMsg,
1456 "SimSetup error: If you use an NPT\n"
1457 "\tensemble, you must set tauThermostat.\n");
1458 painCave.isFatal = 1;
1459 simError();
1460 }
1461
1462 if (globals->haveTauBarostat())
1463 myNPTi->setTauBarostat(globals->getTauBarostat());
1464 else{
1465 sprintf(painCave.errMsg,
1466 "SimSetup error: If you use an NPT\n"
1467 "\tensemble, you must set tauBarostat.\n");
1468 painCave.isFatal = 1;
1469 simError();
1470 }
1471
1472 info->the_integrator = myNPTi;
1473 break;
1474
1475 case NPTf_ENS:
1476 if (globals->haveZconstraints()){
1477 setupZConstraint(info[k]);
1478 myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1479 }
1480 else
1481 myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1482
1483 myNPTf->setTargetTemp(globals->getTargetTemp());
1484
1485 if (globals->haveTargetPressure())
1486 myNPTf->setTargetPressure(globals->getTargetPressure());
1487 else{
1488 sprintf(painCave.errMsg,
1489 "SimSetup error: If you use a constant pressure\n"
1490 "\tensemble, you must set targetPressure in the BASS file.\n");
1491 painCave.isFatal = 1;
1492 simError();
1493 }
1494
1495 if (globals->haveTauThermostat())
1496 myNPTf->setTauThermostat(globals->getTauThermostat());
1497
1498 else{
1499 sprintf(painCave.errMsg,
1500 "SimSetup error: If you use an NPT\n"
1501 "\tensemble, you must set tauThermostat.\n");
1502 painCave.isFatal = 1;
1503 simError();
1504 }
1505
1506 if (globals->haveTauBarostat())
1507 myNPTf->setTauBarostat(globals->getTauBarostat());
1508
1509 else{
1510 sprintf(painCave.errMsg,
1511 "SimSetup error: If you use an NPT\n"
1512 "\tensemble, you must set tauBarostat.\n");
1513 painCave.isFatal = 1;
1514 simError();
1515 }
1516
1517 info->the_integrator = myNPTf;
1518 break;
1519
1520 case NPTxyz_ENS:
1521 if (globals->haveZconstraints()){
1522 setupZConstraint(info[k]);
1523 myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1524 }
1525 else
1526 myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1527
1528 myNPTxyz->setTargetTemp(globals->getTargetTemp());
1529
1530 if (globals->haveTargetPressure())
1531 myNPTxyz->setTargetPressure(globals->getTargetPressure());
1532 else{
1533 sprintf(painCave.errMsg,
1534 "SimSetup error: If you use a constant pressure\n"
1535 "\tensemble, you must set targetPressure in the BASS file.\n");
1536 painCave.isFatal = 1;
1537 simError();
1538 }
1539
1540 if (globals->haveTauThermostat())
1541 myNPTxyz->setTauThermostat(globals->getTauThermostat());
1542 else{
1543 sprintf(painCave.errMsg,
1544 "SimSetup error: If you use an NPT\n"
1545 "\tensemble, you must set tauThermostat.\n");
1546 painCave.isFatal = 1;
1547 simError();
1548 }
1549
1550 if (globals->haveTauBarostat())
1551 myNPTxyz->setTauBarostat(globals->getTauBarostat());
1552 else{
1553 sprintf(painCave.errMsg,
1554 "SimSetup error: If you use an NPT\n"
1555 "\tensemble, you must set tauBarostat.\n");
1556 painCave.isFatal = 1;
1557 simError();
1558 }
1559
1560 info->the_integrator = myNPTxyz;
1561 break;
1562
1563 default:
1564 sprintf(painCave.errMsg,
1565 "SimSetup Error. Unrecognized ensemble in case statement.\n");
1566 painCave.isFatal = 1;
1567 simError();
1568 }
1569 }
1570 }
1571
1572 void SimSetup::initFortran(void){
1573 info[0].refreshSim();
1574
1575 if (!strcmp(info[0].mixingRule, "standard")){
1576 the_ff->initForceField(LB_MIXING_RULE);
1577 }
1578 else if (!strcmp(info[0].mixingRule, "explicit")){
1579 the_ff->initForceField(EXPLICIT_MIXING_RULE);
1580 }
1581 else{
1582 sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1583 info[0].mixingRule);
1584 painCave.isFatal = 1;
1585 simError();
1586 }
1587
1588
1589 #ifdef IS_MPI
1590 strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1591 MPIcheckPoint();
1592 #endif // is_mpi
1593 }
1594
1595 void SimSetup::setupZConstraint(SimInfo& theInfo){
1596 int nZConstraints;
1597 ZconStamp** zconStamp;
1598
1599 if (globals->haveZconstraintTime()){
1600 //add sample time of z-constraint into SimInfo's property list
1601 DoubleData* zconsTimeProp = new DoubleData();
1602 zconsTimeProp->setID(ZCONSTIME_ID);
1603 zconsTimeProp->setData(globals->getZconsTime());
1604 theInfo.addProperty(zconsTimeProp);
1605 }
1606 else{
1607 sprintf(painCave.errMsg,
1608 "ZConstraint error: If you use a ZConstraint,\n"
1609 "\tyou must set zconsTime.\n");
1610 painCave.isFatal = 1;
1611 simError();
1612 }
1613
1614 //push zconsTol into siminfo, if user does not specify
1615 //value for zconsTol, a default value will be used
1616 DoubleData* zconsTol = new DoubleData();
1617 zconsTol->setID(ZCONSTOL_ID);
1618 if (globals->haveZconsTol()){
1619 zconsTol->setData(globals->getZconsTol());
1620 }
1621 else{
1622 double defaultZConsTol = 0.01;
1623 sprintf(painCave.errMsg,
1624 "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1625 "\tOOPSE will use a default value of %f.\n"
1626 "\tTo set the tolerance, use the zconsTol variable.\n",
1627 defaultZConsTol);
1628 painCave.isFatal = 0;
1629 simError();
1630
1631 zconsTol->setData(defaultZConsTol);
1632 }
1633 theInfo.addProperty(zconsTol);
1634
1635 //set Force Subtraction Policy
1636 StringData* zconsForcePolicy = new StringData();
1637 zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1638
1639 if (globals->haveZconsForcePolicy()){
1640 zconsForcePolicy->setData(globals->getZconsForcePolicy());
1641 }
1642 else{
1643 sprintf(painCave.errMsg,
1644 "ZConstraint Warning: No force subtraction policy was set.\n"
1645 "\tOOPSE will use PolicyByMass.\n"
1646 "\tTo set the policy, use the zconsForcePolicy variable.\n");
1647 painCave.isFatal = 0;
1648 simError();
1649 zconsForcePolicy->setData("BYMASS");
1650 }
1651
1652 theInfo.addProperty(zconsForcePolicy);
1653
1654 //Determine the name of ouput file and add it into SimInfo's property list
1655 //Be careful, do not use inFileName, since it is a pointer which
1656 //point to a string at master node, and slave nodes do not contain that string
1657
1658 string zconsOutput(theInfo.finalName);
1659
1660 zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1661
1662 StringData* zconsFilename = new StringData();
1663 zconsFilename->setID(ZCONSFILENAME_ID);
1664 zconsFilename->setData(zconsOutput);
1665
1666 theInfo.addProperty(zconsFilename);
1667
1668 //setup index, pos and other parameters of z-constraint molecules
1669 nZConstraints = globals->getNzConstraints();
1670 theInfo.nZconstraints = nZConstraints;
1671
1672 zconStamp = globals->getZconStamp();
1673 ZConsParaItem tempParaItem;
1674
1675 ZConsParaData* zconsParaData = new ZConsParaData();
1676 zconsParaData->setID(ZCONSPARADATA_ID);
1677
1678 for (int i = 0; i < nZConstraints; i++){
1679 tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1680 tempParaItem.zPos = zconStamp[i]->getZpos();
1681 tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1682 tempParaItem.kRatio = zconStamp[i]->getKratio();
1683
1684 zconsParaData->addItem(tempParaItem);
1685 }
1686
1687 //check the uniqueness of index
1688 if(!zconsParaData->isIndexUnique()){
1689 sprintf(painCave.errMsg,
1690 "ZConstraint Error: molIndex is not unique!\n");
1691 painCave.isFatal = 1;
1692 simError();
1693 }
1694
1695 //sort the parameters by index of molecules
1696 zconsParaData->sortByIndex();
1697
1698 //push data into siminfo, therefore, we can retrieve later
1699 theInfo.addProperty(zconsParaData);
1700 }