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root/group/trunk/mdtools/interface_implementation/SimSetup.cpp
Revision: 144
Committed: Thu Oct 17 21:59:12 2002 UTC (21 years, 8 months ago) by mmeineke
File size: 17124 byte(s)
Log Message:

Changing internal storage of positions, torqes, forces, velocities, etc.

not sure here, still working

File Contents

# Content
1 #include <cstdlib>
2 #include <iostream>
3 #include <cmath>
4
5 #include "SimSetup.hpp"
6 #include "parse_me.h"
7 #include "LRI.hpp"
8 #include "Integrator.hpp"
9
10 #ifdef IS_MPI
11 #include "mpiBASS.h"
12 #include "bassDiag.hpp"
13 #endif
14
15 SimSetup::SimSetup(){
16 stamps = new MakeStamps();
17 globals = new Globals();
18 }
19
20 SimSetup::~SimSetup(){
21 delete stamps;
22 delete globals;
23 }
24
25 void SimSetup::parseFile( char* fileName ){
26
27 inFileName = fileName;
28 set_interface_stamps( stamps, globals );
29 #ifdef IS_MPI
30 mpiEventInit();
31 #endif
32 yacc_BASS( fileName );
33 #ifdef IS_MPI
34 throwMPIEvent(NULL);
35 #endif
36
37 }
38
39 #ifdef IS_MPI
40 void SimSetup::receiveParse(void){
41
42 set_interface_stamps( stamps, globals );
43 mpiEventInit();
44 mpiEventLoop();
45
46 }
47
48
49 void SimSetup::testMe(void){
50 bassDiag* dumpMe = new bassDiag(globals,stamps);
51 dumpMe->dumpStamps();
52 delete dumpMe;
53 }
54 #endif
55 void SimSetup::createSim( void ){
56
57 MakeStamps *the_stamps;
58 Globals* the_globals;
59 int i;
60
61 // get the stamps and globals;
62 the_stamps = stamps;
63 the_globals = globals;
64
65 // set the easy ones first
66 simnfo->target_temp = the_globals->getTargetTemp();
67 simnfo->dt = the_globals->getDt();
68 simnfo->run_time = the_globals->getRunTime();
69
70 // get the ones we know are there, yet still may need some work.
71 n_components = the_globals->getNComponents();
72 strcpy( force_field, the_globals->getForceField() );
73 strcpy( ensemble, the_globals->getEnsemble() );
74
75 if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
76 else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
77 else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
78 else{
79 std::cerr<< "SimSetup Error. Unrecognized force field -> "
80 << force_field << "\n";
81 exit(8);
82 }
83
84 // get the components and calculate the tot_nMol and indvidual n_mol
85 the_components = the_globals->getComponents();
86 components_nmol = new int[n_components];
87 comp_stamps = new MoleculeStamp*[n_components];
88
89 if( !the_globals->haveNMol() ){
90 // we don't have the total number of molecules, so we assume it is
91 // given in each component
92
93 tot_nmol = 0;
94 for( i=0; i<n_components; i++ ){
95
96 if( !the_components[i]->haveNMol() ){
97 // we have a problem
98 std::cerr << "SimSetup Error. No global NMol or component NMol"
99 << " given. Cannot calculate the number of atoms.\n";
100 exit( 8 );
101 }
102
103 tot_nmol += the_components[i]->getNMol();
104 components_nmol[i] = the_components[i]->getNMol();
105 }
106 }
107 else{
108 std::cerr << "NOT A SUPPORTED FEATURE\n";
109
110 // tot_nmol = the_globals->getNMol();
111
112 // //we have the total number of molecules, now we check for molfractions
113 // for( i=0; i<n_components; i++ ){
114
115 // if( !the_components[i]->haveMolFraction() ){
116
117 // if( !the_components[i]->haveNMol() ){
118 // //we have a problem
119 // std::cerr << "SimSetup error. Neither molFraction nor "
120 // << " nMol was given in component
121
122 }
123
124 // make an array of molecule stamps that match the components used.
125
126 for( i=0; i<n_components; i++ ){
127
128 comp_stamps[i] =
129 the_stamps->getMolecule( the_components[i]->getType() );
130 }
131
132
133
134 // caclulate the number of atoms, bonds, bends and torsions
135
136 tot_atoms = 0;
137 tot_bonds = 0;
138 tot_bends = 0;
139 tot_torsions = 0;
140 for( i=0; i<n_components; i++ ){
141
142 tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
143 tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
144 tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
145 tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
146 }
147
148 tot_SRI = tot_bonds + tot_bends + tot_torsions;
149
150 simnfo->n_atoms = tot_atoms;
151 simnfo->n_bonds = tot_bonds;
152 simnfo->n_bends = tot_bends;
153 simnfo->n_torsions = tot_torsions;
154 simnfo->n_SRI = tot_SRI;
155
156 // create the atom and short range interaction arrays
157
158 the_atoms = new Atom*[tot_atoms];
159 the_molecules = new Molecule[tot_nmol];
160
161
162 if( tot_SRI ){
163 the_sris = new SRI*[tot_SRI];
164 the_excludes = new ex_pair[tot_SRI];
165 }
166
167 // set the arrays into the SimInfo object
168
169 simnfo->atoms = the_atoms;
170 simnfo->sr_interactions = the_sris;
171 simnfo->n_exclude = tot_SRI;
172 simnfo->excludes = the_excludes;
173
174
175 // initialize the arrays
176
177 the_ff->setSimInfo( simnfo );
178
179 makeAtoms();
180
181 if( tot_bonds ){
182 makeBonds();
183 }
184
185 if( tot_bends ){
186 makeBends();
187 }
188
189 if( tot_torsions ){
190 makeTorsions();
191 }
192
193 // makeMolecules();
194
195 // get some of the tricky things that may still be in the globals
196
197 if( simnfo->n_dipoles ){
198
199 if( !the_globals->haveRRF() ){
200 std::cerr << "SimSetup Error, system has dipoles, but no rRF was set.\n";
201 exit(8);
202 }
203 if( !the_globals->haveDielectric() ){
204 std::cerr << "SimSetup Error, system has dipoles, but no"
205 << " dielectric was set.\n";
206 exit(8);
207 }
208
209 simnfo->rRF = the_globals->getRRF();
210 simnfo->dielectric = the_globals->getDielectric();
211 }
212
213 if( the_globals->haveBox() ){
214 simnfo->box_x = the_globals->getBox();
215 simnfo->box_y = the_globals->getBox();
216 simnfo->box_z = the_globals->getBox();
217 }
218 else if( the_globals->haveDensity() ){
219
220 double vol;
221 vol = (double)tot_nmol / the_globals->getDensity();
222 simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
223 simnfo->box_y = simnfo->box_x;
224 simnfo->box_z = simnfo->box_x;
225 }
226 else{
227 if( !the_globals->haveBoxX() ){
228 std::cerr << "SimSetup error, no periodic BoxX size given.\n";
229 exit(8);
230 }
231 simnfo->box_x = the_globals->getBoxX();
232
233 if( !the_globals->haveBoxY() ){
234 std::cerr << "SimSetup error, no periodic BoxY size given.\n";
235 exit(8);
236 }
237 simnfo->box_y = the_globals->getBoxY();
238
239 if( !the_globals->haveBoxZ() ){
240 std::cerr << "SimSetup error, no periodic BoxZ size given.\n";
241 exit(8);
242 }
243 simnfo->box_z = the_globals->getBoxZ();
244 }
245
246
247 // if( the_globals->haveInitialConfig() ){
248 // InitializeFromFile* fileInit;
249 // fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
250
251 // fileInit->read_xyz( simnfo ); // default velocities on
252
253 // delete fileInit;
254 // }
255 // else{
256
257 initFromBass();
258
259
260 // }
261
262 // if( the_globals->haveFinalConfig() ){
263 // strcpy( simnfo->finalName, the_globals->getFinalConfig() );
264 // }
265 // else{
266 // strcpy( simnfo->finalName, inFileName );
267 // char* endTest;
268 // int nameLength = strlen( simnfo->finalName );
269 // endTest = &(simnfo->finalName[nameLength - 5]);
270 // if( !strcmp( endTest, ".bass" ) ){
271 // strcpy( endTest, ".eor" );
272 // }
273 // else if( !strcmp( endTest, ".BASS" ) ){
274 // strcpy( endTest, ".eor" );
275 // }
276 // else{
277 // endTest = &(simnfo->finalName[nameLength - 4]);
278 // if( !strcmp( endTest, ".bss" ) ){
279 // strcpy( endTest, ".eor" );
280 // }
281 // else if( !strcmp( endTest, ".mdl" ) ){
282 // strcpy( endTest, ".eor" );
283 // }
284 // else{
285 // strcat( simnfo->finalName, ".eor" );
286 // }
287 // }
288 // }
289
290 // // make the sample and status out names
291
292 // strcpy( simnfo->sampleName, inFileName );
293 // char* endTest;
294 // int nameLength = strlen( simnfo->sampleName );
295 // endTest = &(simnfo->sampleName[nameLength - 5]);
296 // if( !strcmp( endTest, ".bass" ) ){
297 // strcpy( endTest, ".dump" );
298 // }
299 // else if( !strcmp( endTest, ".BASS" ) ){
300 // strcpy( endTest, ".dump" );
301 // }
302 // else{
303 // endTest = &(simnfo->sampleName[nameLength - 4]);
304 // if( !strcmp( endTest, ".bss" ) ){
305 // strcpy( endTest, ".dump" );
306 // }
307 // else if( !strcmp( endTest, ".mdl" ) ){
308 // strcpy( endTest, ".dump" );
309 // }
310 // else{
311 // strcat( simnfo->sampleName, ".dump" );
312 // }
313 // }
314
315 // strcpy( simnfo->statusName, inFileName );
316 // nameLength = strlen( simnfo->statusName );
317 // endTest = &(simnfo->statusName[nameLength - 5]);
318 // if( !strcmp( endTest, ".bass" ) ){
319 // strcpy( endTest, ".stat" );
320 // }
321 // else if( !strcmp( endTest, ".BASS" ) ){
322 // strcpy( endTest, ".stat" );
323 // }
324 // else{
325 // endTest = &(simnfo->statusName[nameLength - 4]);
326 // if( !strcmp( endTest, ".bss" ) ){
327 // strcpy( endTest, ".stat" );
328 // }
329 // else if( !strcmp( endTest, ".mdl" ) ){
330 // strcpy( endTest, ".stat" );
331 // }
332 // else{
333 // strcat( simnfo->statusName, ".stat" );
334 // }
335 // }
336
337
338 // set the status, sample, and themal kick times
339
340 if( the_globals->haveSampleTime() ){
341 simnfo->sampleTime = the_globals->getSampleTime();
342 simnfo->statusTime = simnfo->sampleTime;
343 simnfo->thermalTime = simnfo->sampleTime;
344 }
345 else{
346 simnfo->sampleTime = the_globals->getRunTime();
347 simnfo->statusTime = simnfo->sampleTime;
348 simnfo->thermalTime = simnfo->sampleTime;
349 }
350
351 if( the_globals->haveStatusTime() ){
352 simnfo->statusTime = the_globals->getStatusTime();
353 }
354
355 if( the_globals->haveThermalTime() ){
356 simnfo->thermalTime = the_globals->getThermalTime();
357 }
358
359 // check for the temperature set flag
360
361 if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
362
363
364 // make the longe range forces and the integrator
365
366 new AllLong( simnfo );
367
368 if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo );
369 if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo );
370 if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo );
371 }
372
373 void SimSetup::makeAtoms( void ){
374
375 int i, j, k, index;
376 double ux, uy, uz, uSqr, u;
377 AtomStamp* current_atom;
378 DirectionalAtom* dAtom;
379 int molIndex, molStart, molEnd, nMemb;
380
381
382 molIndex = 0;
383 index = 0;
384 for( i=0; i<n_components; i++ ){
385
386 for( j=0; j<components_nmol[i]; j++ ){
387
388 molStart = index;
389 nMemb = comp_stamps[i]->getNAtoms();
390 for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
391
392 current_atom = comp_stamps[i]->getAtom( k );
393 if( current_atom->haveOrientation() ){
394
395 dAtom = new DirectionalAtom;
396 simnfo->n_oriented++;
397 the_atoms[index] = dAtom;
398
399 ux = current_atom->getOrntX();
400 uy = current_atom->getOrntY();
401 uz = current_atom->getOrntZ();
402
403 uSqr = (ux * ux) + (uy * uy) + (uz * uz);
404
405 u = sqrt( uSqr );
406 ux = ux / u;
407 uy = uy / u;
408 uz = uz / u;
409
410 dAtom->setSUx( ux );
411 dAtom->setSUy( uy );
412 dAtom->setSUz( uz );
413 }
414 else{
415 the_atoms[index] = new GeneralAtom;
416 }
417 the_atoms[index]->setType( current_atom->getType() );
418 the_atoms[index]->setIndex( index );
419
420 // increment the index and repeat;
421 index++;
422 }
423
424 molEnd = index -1;
425 the_molecules[molIndex].setNMembers( nMemb );
426 the_molecules[molIndex].setStartAtom( molStart );
427 the_molecules[molIndex].setEndAtom( molEnd );
428 molIndex++;
429
430 }
431 }
432
433 the_ff->initializeAtoms();
434 }
435
436 void SimSetup::makeBonds( void ){
437
438 int i, j, k, index, offset;
439 bond_pair* the_bonds;
440 BondStamp* current_bond;
441
442 the_bonds = new bond_pair[tot_bonds];
443 index = 0;
444 offset = 0;
445 for( i=0; i<n_components; i++ ){
446
447 for( j=0; j<components_nmol[i]; j++ ){
448
449 for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
450
451 current_bond = comp_stamps[i]->getBond( k );
452 the_bonds[index].a = current_bond->getA() + offset;
453 the_bonds[index].b = current_bond->getB() + offset;
454
455 the_excludes[index].i = the_bonds[index].a;
456 the_excludes[index].j = the_bonds[index].b;
457
458 // increment the index and repeat;
459 index++;
460 }
461 offset += comp_stamps[i]->getNAtoms();
462 }
463 }
464
465 the_ff->initializeBonds( the_bonds );
466 }
467
468 void SimSetup::makeBends( void ){
469
470 int i, j, k, index, offset;
471 bend_set* the_bends;
472 BendStamp* current_bend;
473
474 the_bends = new bend_set[tot_bends];
475 index = 0;
476 offset = 0;
477 for( i=0; i<n_components; i++ ){
478
479 for( j=0; j<components_nmol[i]; j++ ){
480
481 for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
482
483 current_bend = comp_stamps[i]->getBend( k );
484 the_bends[index].a = current_bend->getA() + offset;
485 the_bends[index].b = current_bend->getB() + offset;
486 the_bends[index].c = current_bend->getC() + offset;
487
488 the_excludes[index + tot_bonds].i = the_bends[index].a;
489 the_excludes[index + tot_bonds].j = the_bends[index].c;
490
491 // increment the index and repeat;
492 index++;
493 }
494 offset += comp_stamps[i]->getNAtoms();
495 }
496 }
497
498 the_ff->initializeBends( the_bends );
499 }
500
501 void SimSetup::makeTorsions( void ){
502
503 int i, j, k, index, offset;
504 torsion_set* the_torsions;
505 TorsionStamp* current_torsion;
506
507 the_torsions = new torsion_set[tot_torsions];
508 index = 0;
509 offset = 0;
510 for( i=0; i<n_components; i++ ){
511
512 for( j=0; j<components_nmol[i]; j++ ){
513
514 for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
515
516 current_torsion = comp_stamps[i]->getTorsion( k );
517 the_torsions[index].a = current_torsion->getA() + offset;
518 the_torsions[index].b = current_torsion->getB() + offset;
519 the_torsions[index].c = current_torsion->getC() + offset;
520 the_torsions[index].d = current_torsion->getD() + offset;
521
522 the_excludes[index + tot_bonds + tot_bends].i = the_torsions[index].a;
523 the_excludes[index + tot_bonds + tot_bends].j = the_torsions[index].d;
524
525 // increment the index and repeat;
526 index++;
527 }
528 offset += comp_stamps[i]->getNAtoms();
529 }
530 }
531
532 the_ff->initializeTorsions( the_torsions );
533 }
534
535 void SimSetup::initFromBass( void ){
536
537 int i, j, k;
538 int n_cells;
539 double cellx, celly, cellz;
540 double temp1, temp2, temp3;
541 int n_per_extra;
542 int n_extra;
543 int have_extra, done;
544
545 temp1 = (double)tot_nmol / 4.0;
546 temp2 = pow( temp1, ( 1.0 / 3.0 ) );
547 temp3 = ceil( temp2 );
548
549 have_extra =0;
550 if( temp2 < temp3 ){ // we have a non-complete lattice
551 have_extra =1;
552
553 n_cells = (int)temp3 - 1;
554 cellx = simnfo->box_x / temp3;
555 celly = simnfo->box_y / temp3;
556 cellz = simnfo->box_z / temp3;
557 n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
558 temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
559 n_per_extra = (int)ceil( temp1 );
560
561 if( n_per_extra > 4){
562 std::cerr << "THere has been an error in constructing the non-complete lattice.\n";
563 exit(8);
564 }
565 }
566 else{
567 n_cells = (int)temp3;
568 cellx = simnfo->box_x / temp3;
569 celly = simnfo->box_y / temp3;
570 cellz = simnfo->box_z / temp3;
571 }
572
573 current_mol = 0;
574 current_comp_mol = 0;
575 current_comp = 0;
576 current_atom_ndx = 0;
577
578 for( i=0; i < n_cells ; i++ ){
579 for( j=0; j < n_cells; j++ ){
580 for( k=0; k < n_cells; k++ ){
581
582 makeElement( i * cellx,
583 j * celly,
584 k * cellz );
585
586 makeElement( i * cellx + 0.5 * cellx,
587 j * celly + 0.5 * celly,
588 k * cellz );
589
590 makeElement( i * cellx,
591 j * celly + 0.5 * celly,
592 k * cellz + 0.5 * cellz );
593
594 makeElement( i * cellx + 0.5 * cellx,
595 j * celly,
596 k * cellz + 0.5 * cellz );
597 }
598 }
599 }
600
601 if( have_extra ){
602 done = 0;
603
604 int start_ndx;
605 for( i=0; i < (n_cells+1) && !done; i++ ){
606 for( j=0; j < (n_cells+1) && !done; j++ ){
607
608 if( i < n_cells ){
609
610 if( j < n_cells ){
611 start_ndx = n_cells;
612 }
613 else start_ndx = 0;
614 }
615 else start_ndx = 0;
616
617 for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
618
619 makeElement( i * cellx,
620 j * celly,
621 k * cellz );
622 done = ( current_mol >= tot_nmol );
623
624 if( !done && n_per_extra > 1 ){
625 makeElement( i * cellx + 0.5 * cellx,
626 j * celly + 0.5 * celly,
627 k * cellz );
628 done = ( current_mol >= tot_nmol );
629 }
630
631 if( !done && n_per_extra > 2){
632 makeElement( i * cellx,
633 j * celly + 0.5 * celly,
634 k * cellz + 0.5 * cellz );
635 done = ( current_mol >= tot_nmol );
636 }
637
638 if( !done && n_per_extra > 3){
639 makeElement( i * cellx + 0.5 * cellx,
640 j * celly,
641 k * cellz + 0.5 * cellz );
642 done = ( current_mol >= tot_nmol );
643 }
644 }
645 }
646 }
647 }
648
649
650 for( i=0; i<simnfo->n_atoms; i++ ){
651 simnfo->atoms[i]->set_vx( 0.0 );
652 simnfo->atoms[i]->set_vy( 0.0 );
653 simnfo->atoms[i]->set_vz( 0.0 );
654 }
655 }
656
657 void SimSetup::makeElement( double x, double y, double z ){
658
659 int k;
660 AtomStamp* current_atom;
661 DirectionalAtom* dAtom;
662 double rotMat[3][3];
663
664 for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
665
666 current_atom = comp_stamps[current_comp]->getAtom( k );
667 if( !current_atom->havePosition() ){
668 std::cerr << "Component " << comp_stamps[current_comp]->getID()
669 << ", atom " << current_atom->getType()
670 << " does not have a position specified.\n"
671 << "The initialization routine is unable to give a start"
672 << " position.\n";
673 exit(8);
674 }
675
676 the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
677 the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
678 the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
679
680 if( the_atoms[current_atom_ndx]->isDirectional() ){
681
682 dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
683
684 rotMat[0][0] = 1.0;
685 rotMat[0][1] = 0.0;
686 rotMat[0][2] = 0.0;
687
688 rotMat[1][0] = 0.0;
689 rotMat[1][1] = 1.0;
690 rotMat[1][2] = 0.0;
691
692 rotMat[2][0] = 0.0;
693 rotMat[2][1] = 0.0;
694 rotMat[2][2] = 1.0;
695
696 dAtom->setA( rotMat );
697 }
698
699 current_atom_ndx++;
700 }
701
702 current_mol++;
703 current_comp_mol++;
704
705 if( current_comp_mol >= components_nmol[current_comp] ){
706
707 current_comp_mol = 0;
708 current_comp++;
709 }
710 }