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root/group/trunk/mdtools/interface_implementation/SimSetup.cpp
Revision: 139
Committed: Wed Oct 16 21:07:16 2002 UTC (21 years, 8 months ago) by chuckv
File size: 17123 byte(s)
Log Message:
*** empty log message ***

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