source: trunk/source/processes/hadronic/models/qmd/src/G4QMDMeanField.cc@ 1201

Last change on this file since 1201 was 962, checked in by garnier, 17 years ago

update processes
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25//
[962]26// 081120 Add Update by T. Koi
27//
[819]28#include "G4QMDMeanField.hh"
29#include "G4QMDParameters.hh"
30
31#include "Randomize.hh"
32
33#include <CLHEP/Random/Stat.h>
34
35#include <map>
36#include <algorithm>
37#include <numeric>
38
39G4QMDMeanField::G4QMDMeanField()
40: rclds ( 4.0 ) // distance for cluster judgement
41, epsx ( -20.0 ) // gauss term
42, epscl ( 0.0001 ) // coulomb term
43, irelcr ( 1 )
44{
45
46 G4QMDParameters* parameters = G4QMDParameters::GetInstance();
47 wl = parameters->Get_wl();
48 cl = parameters->Get_cl();
49 rho0 = parameters->Get_rho0();
50 hbc = parameters->Get_hbc();
51 gamm = parameters->Get_gamm();
52
53 cpw = parameters->Get_cpw();
54 cph = parameters->Get_cph();
55 cpc = parameters->Get_cpc();
56
57 c0 = parameters->Get_c0();
58 c3 = parameters->Get_c3();
59 cs = parameters->Get_cs();
60
61// distance
62 c0w = 1.0/4.0/wl;
63 //c3w = 1.0/4.0/wl; //no need
64 c0sw = std::sqrt( c0w );
65 clw = 2.0 / std::sqrt ( 4.0 * pi * wl );
66
67// graduate
68 c0g = - c0 / ( 2.0 * wl );
69 c3g = - c3 / ( 4.0 * wl ) * gamm;
70 csg = - cs / ( 2.0 * wl );
71 pag = gamm - 1;
72
73}
74
75
76
77G4QMDMeanField::~G4QMDMeanField()
78{
79 ;
80}
81
82
83
84void G4QMDMeanField::SetSystem ( G4QMDSystem* aSystem )
85{
86
87 //std::cout << "QMDMeanField SetSystem" << std::endl;
88
89 system = aSystem;
90
91 G4int n = system->GetTotalNumberOfParticipant();
92
93 pp2.clear();
94 rr2.clear();
95 rbij.clear();
96 rha.clear();
97 rhe.clear();
98 rhc.clear();
99
100 rr2.resize( n );
101 pp2.resize( n );
102 rbij.resize( n );
103 rha.resize( n );
104 rhe.resize( n );
105 rhc.resize( n );
106
107 for ( int i = 0 ; i < n ; i++ )
108 {
109 rr2[i].resize( n );
110 pp2[i].resize( n );
111 rbij[i].resize( n );
112 rha[i].resize( n );
113 rhe[i].resize( n );
114 rhc[i].resize( n );
115 }
116
117
118 ffr.clear();
119 ffp.clear();
120 rh3d.clear();
121
122 ffr.resize( n );
123 ffp.resize( n );
124 rh3d.resize( n );
125
126 Cal2BodyQuantities();
127
128}
129
130void G4QMDMeanField::SetNucleus ( G4QMDNucleus* aNucleus )
131{
132
133 //std::cout << "QMDMeanField SetNucleus" << std::endl;
134
135 SetSystem( aNucleus );
136
137 G4double totalPotential = GetTotalPotential();
138 aNucleus->SetTotalPotential( totalPotential );
139
140 aNucleus->CalEnergyAndAngularMomentumInCM();
141
142}
143
144
145
146void G4QMDMeanField::Cal2BodyQuantities()
147{
148
149 if ( system->GetTotalNumberOfParticipant() < 2 ) return;
150
151 for ( G4int j = 1 ; j < system->GetTotalNumberOfParticipant() ; j++ )
152 {
153
154 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
155 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
156
157 for ( G4int i = 0 ; i < j ; i++ )
158 {
159
160 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
161 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
162
163 G4ThreeVector rij = ri - rj;
164 G4ThreeVector pij = (p4i - p4j).v();
165 G4LorentzVector p4ij = p4i - p4j;
166 G4ThreeVector bij = ( p4i + p4j ).boostVector();
167 G4double gammaij = ( p4i + p4j ).gamma();
168
169 G4double eij = ( p4i + p4j ).e();
170
171 G4double rbrb = rij*bij;
172// G4double bij2 = bij*bij;
173 G4double rij2 = rij*rij;
174 G4double pij2 = pij*pij;
175
176 rbrb = irelcr * rbrb;
177 G4double gamma2_ij = gammaij*gammaij;
178
179
180 rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
181 rr2[j][i] = rr2[i][j];
182
183 rbij[i][j] = gamma2_ij * rbrb;
184 rbij[j][i] = - rbij[i][j];
185
186 pp2[i][j] = pij2
187 + irelcr * ( - std::pow ( p4i.e() - p4j.e() , 2 )
188 + gamma2_ij * std::pow ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
189
190
191 pp2[j][i] = pp2[i][j];
192
193// Gauss term
194
195 G4double expa1 = - rr2[i][j] * c0w;
196
197 G4double rh1;
198 if ( expa1 > epsx )
199 {
200 rh1 = std::exp( expa1 );
201 }
202 else
203 {
204 rh1 = 0.0;
205 }
206
207 G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
208 G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
209
210
211 rha[i][j] = ibry*jbry*rh1;
212 rha[j][i] = rha[i][j];
213
214// Coulomb terms
215
216 G4double rrs2 = rr2[i][j] + epscl;
217 G4double rrs = std::sqrt ( rrs2 );
218
219 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
220 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
221
222 G4double erf = 0.0;
223 // T. K. add this protection. 5.8 is good enough for double
224 if ( rrs*c0sw < 5.8 )
225 erf = CLHEP::HepStat::erf ( rrs*c0sw );
226 else
227 erf = 1.0;
228
229 G4double erfij = erf/rrs;
230
231
232 rhe[i][j] = icharge*jcharge * erfij;
233
234 rhe[j][i] = rhe[i][j];
235
236 rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
237
238 rhc[j][i] = rhc[i][j];
239
240 } // i
241 } // j
242}
243
244
245
246void G4QMDMeanField::Cal2BodyQuantities( G4int i )
247{
248
249 //std::cout << "Cal2BodyQuantities " << i << std::endl;
250
251 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
252 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
253
254
255 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
256 {
257 if ( j == i ) continue;
258
259 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
260 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
261
262 G4ThreeVector rij = ri - rj;
263 G4ThreeVector pij = (p4i - p4j).v();
264 G4LorentzVector p4ij = p4i - p4j;
265 G4ThreeVector bij = ( p4i + p4j ).boostVector();
266 G4double gammaij = ( p4i + p4j ).gamma();
267
268 G4double eij = ( p4i + p4j ).e();
269
270 G4double rbrb = rij*bij;
271// G4double bij2 = bij*bij;
272 G4double rij2 = rij*rij;
273 G4double pij2 = pij*pij;
274
275 rbrb = irelcr * rbrb;
276 G4double gamma2_ij = gammaij*gammaij;
277
278/*
279 G4double rbrb = 0.0;
280 G4double beta2_ij = 0.0;
281 G4double rij2 = 0.0;
282 G4double pij2 = 0.0;
283
284//
285 G4LorentzVector p4ip4j = p4i + p4j;
286 G4double eij = p4ip4j.e();
287
288 G4ThreeVector r = ri - rj;
289 G4LorentzVector p4 = p4i - p4j;
290
291 rbrb = r.x()*p4ip4j.x()/eij
292 + r.y()*p4ip4j.y()/eij
293 + r.z()*p4ip4j.z()/eij;
294
295 beta2_ij = ( p4ip4j.x()*p4ip4j.x() + p4ip4j.y()*p4ip4j.y() + p4ip4j.z()*p4ip4j.z() ) / ( eij*eij );
296 rij2 = r*r;
297 pij2 = p4.v()*p4.v();
298
299 rbrb = irelcr * rbrb;
300
301 G4double gamma2_ij = 1 / ( 1 - beta2_ij );
302*/
303
304 rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
305 rr2[j][i] = rr2[i][j];
306
307 rbij[i][j] = gamma2_ij * rbrb;
308 rbij[j][i] = - rbij[i][j];
309
310 pp2[i][j] = pij2
311 + irelcr * ( - std::pow ( p4i.e() - p4j.e() , 2 )
312 + gamma2_ij * std::pow ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
313
314 pp2[j][i] = pp2[i][j];
315
316// Gauss term
317
318 G4double expa1 = - rr2[i][j] * c0w;
319
320 G4double rh1;
321 if ( expa1 > epsx )
322 {
323 rh1 = std::exp( expa1 );
324 }
325 else
326 {
327 rh1 = 0.0;
328 }
329
330 G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
331 G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
332
333
334 rha[i][j] = ibry*jbry*rh1;
335 rha[j][i] = rha[i][j];
336
337// Coulomb terms
338
339 G4double rrs2 = rr2[i][j] + epscl;
340 G4double rrs = std::sqrt ( rrs2 );
341
342 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
343 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
344
345 G4double erf = 0.0;
346 // T. K. add this protection. 5.8 is good enough for double
347 if ( rrs*c0sw < 5.8 )
348 erf = CLHEP::HepStat::erf ( rrs*c0sw );
349 else
350 erf = 1.0;
351
352 G4double erfij = erf/rrs;
353
354
355 rhe[i][j] = icharge*jcharge * erfij;
356
357 rhe[j][i] = rhe[i][j];
358
359// G4double clw;
360
361 rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
362
363 rhc[j][i] = rhc[i][j];
364
365 }
366
367}
368
369
370
371void G4QMDMeanField::CalGraduate()
372{
373
374 ffr.resize( system->GetTotalNumberOfParticipant() );
375 ffp.resize( system->GetTotalNumberOfParticipant() );
376 rh3d.resize( system->GetTotalNumberOfParticipant() );
377
378 for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ )
379 {
380 G4double rho3 = 0.0;
381 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
382 {
383 rho3 += rha[j][i];
384 }
385 rh3d[i] = std::pow ( rho3 , pag );
386 }
387
388
389 for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ )
390 {
391
392 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
393 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
394
395 G4ThreeVector betai = p4i.v()/p4i.e();
396
397 ffr[i] = betai;
398 ffp[i] = G4ThreeVector( 0.0 );
399
400 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
401 {
402
403 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
404 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
405
406 G4double eij = p4i.e() + p4j.e();
407
408 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
409 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
410
411 G4int inuc = system->GetParticipant(i)->GetNuc();
412 G4int jnuc = system->GetParticipant(j)->GetNuc();
413
414 G4double ccpp = c0g * rha[j][i]
415 + c3g * rha[j][i] * ( rh3d[j] + rh3d[i] )
416 + csg * rha[j][i] * jnuc * inuc
417 * ( 1. - 2. * std::abs( jcharge - icharge ) )
418 + cl * rhc[j][i];
419
420/*
421 std::cout << c0g << " " << c3g << " " << csg << " " << cl << std::endl;
422 std::cout << "ccpp " << i << " " << j << " " << ccpp << std::endl;
423 std::cout << "rha[j][i] " << rha[j][i] << std::endl;
424 std::cout << "rh3d " << rh3d[j] << " " << rh3d[i] << std::endl;
425 std::cout << "rhc[j][i] " << rhc[j][i] << std::endl;
426*/
427
428 G4double grbb = - rbij[j][i];
429 G4double ccrr = grbb * ccpp / eij;
430
431/*
432 std::cout << "ccrr " << ccrr << std::endl;
433 std::cout << "grbb " << grbb << std::endl;
434*/
435
436
437 G4ThreeVector rij = ri - rj;
438 G4ThreeVector betaij = ( p4i + p4j ).v()/eij;
439
440 G4ThreeVector cij = betaij - betai;
441
442 ffr[i] = ffr[i] + 2*ccrr* ( rij + grbb*cij );
443
444 ffp[i] = ffp[i] - 2*ccpp* ( rij + grbb*betaij );
445
446 }
447 }
448
449 //std::cout << "gradu 0 " << ffr[0] << " " << ffp[0] << std::endl;
450 //std::cout << "gradu 1 " << ffr[1] << " " << ffp[1] << std::endl;
451
452}
453
454
455
456G4double G4QMDMeanField::GetTotalPotential()
457{
458
459 G4int n = system->GetTotalNumberOfParticipant();
460
461 std::vector < G4double > rhoa ( n , 0.0 );
462 std::vector < G4double > rho3 ( n , 0.0 );
463 std::vector < G4double > rhos ( n , 0.0 );
464 std::vector < G4double > rhoc ( n , 0.0 );
465
466
467 for ( G4int i = 0 ; i < n ; i ++ )
468 {
469 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
470 G4int inuc = system->GetParticipant(i)->GetNuc();
471
472 for ( G4int j = 0 ; j < n ; j ++ )
473 {
474 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
475 G4int jnuc = system->GetParticipant(j)->GetNuc();
476
477 rhoa[i] += rha[j][i];
478 rhoc[i] += rhe[j][i];
479 rhos[i] += rha[j][i] * jnuc * inuc
480 * ( 1 - 2 * std::abs ( jcharge - icharge ) );
481 }
482
483 rho3[i] = std::pow ( rhoa[i] , gamm );
484 }
485
486 G4double potential = c0 * std::accumulate( rhoa.begin() , rhoa.end() , 0.0 )
487 + c3 * std::accumulate( rho3.begin() , rho3.end() , 0.0 )
488 + cs * std::accumulate( rhos.begin() , rhos.end() , 0.0 )
489 + cl * std::accumulate( rhoc.begin() , rhoc.end() , 0.0 );
490
491 return potential;
492
493}
494
495
496
497G4double G4QMDMeanField::calPauliBlockingFactor( G4int i )
498{
499
500 G4double pf = 0.0;
501// i is supposed beyond total number of Participant()
502 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
503
504 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j++ )
505 {
506
507 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
508 G4int jnuc = system->GetParticipant(j)->GetNuc();
509
510 if ( jcharge == icharge && jnuc == 1 )
511 {
512
513/*
514 std::cout << "Pauli i j " << i << " " << j << std::endl;
515 std::cout << "Pauli icharge " << icharge << std::endl;
516 std::cout << "Pauli jcharge " << jcharge << std::endl;
517*/
518 G4double expa = -rr2[i][j]*cpw;
519
520
521 if ( expa > epsx )
522 {
523 expa = expa - pp2[i][j]*cph;
524/*
525 std::cout << "Pauli cph " << cph << std::endl;
526 std::cout << "Pauli pp2 " << pp2[i][j] << std::endl;
527 std::cout << "Pauli expa " << expa << std::endl;
528 std::cout << "Pauli epsx " << epsx << std::endl;
529*/
530 if ( expa > epsx )
531 {
532// std::cout << "Pauli phase " << pf << std::endl;
533 pf = pf + std::exp ( expa );
534 }
535 }
536 }
537
538 }
539
540
541 pf = ( pf - 1.0 ) * cpc;
542
543 //std::cout << "Pauli pf " << pf << std::endl;
544
545 return pf;
546
547}
548
549
550
551G4bool G4QMDMeanField::IsPauliBlocked( G4int i )
552{
553 G4bool result = false;
554
555 if ( system->GetParticipant( i )->GetNuc() == 1 )
556 {
557 G4double pf = calPauliBlockingFactor( i );
558 G4double rand = G4UniformRand();
559 if ( pf > rand ) result = true;
560 }
561
562 return result;
563}
564
565
566
567void G4QMDMeanField::DoPropagation( G4double dt )
568{
569
570 G4double c2 = 1.0;
571 G4double c1 = 1.0 - c2;
572 G4double c3 = 1.0 / 2.0 / c2;
573
574 G4double dt3 = dt * c3;
575 G4double dt1 = dt * ( c1 - c3 );
576 G4double dt2 = dt * c2;
577
578 CalGraduate();
579
580 G4int n = system->GetTotalNumberOfParticipant();
581
582// 1st Step
583
584 std::vector< G4ThreeVector > f0r, f0p;
585 f0r.resize( n );
586 f0p.resize( n );
587
588 for ( G4int i = 0 ; i < n ; i++ )
589 {
590 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
591 G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
592
593 ri += dt3* ffr[i];
594 p3i += dt3* ffp[i];
595
596 f0r[i] = ffr[i];
597 f0p[i] = ffp[i];
598
599 system->GetParticipant( i )->SetPosition( ri );
600 system->GetParticipant( i )->SetMomentum( p3i );
601
602// we do not need set total momentum by ourselvs
603 }
604
605// 2nd Step
606 Cal2BodyQuantities();
607 CalGraduate();
608
609 for ( G4int i = 0 ; i < n ; i++ )
610 {
611 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
612 G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
613
614 ri += dt1* f0r[i] + dt2* ffr[i];
615 p3i += dt1* f0p[i] + dt2* ffp[i];
616
617 system->GetParticipant( i )->SetPosition( ri );
618 system->GetParticipant( i )->SetMomentum( p3i );
619
620// we do not need set total momentum by ourselvs
621 }
622
623 Cal2BodyQuantities();
624
625
626}
627
628
629
630std::vector< G4QMDNucleus* > G4QMDMeanField::DoClusterJudgment()
631{
632
633 //std::cout << "MeanField DoClusterJudgemnt" << std::endl;
634
635 Cal2BodyQuantities();
636
637 G4double cpf2 = std::pow ( 1.5 * pi*pi * std::pow ( 4.0 * pi * wl , -1.5 )
638 ,
639 2./3. )
640 * hbc * hbc;
641 G4double rcc2 = rclds*rclds;
642
643 G4int n = system->GetTotalNumberOfParticipant();
644 std::vector < G4double > rhoa;
645 rhoa.resize ( n );
646
647 for ( G4int i = 0 ; i < n ; i++ )
648 {
649 rhoa[i] = 0.0;
650
651 if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
652 {
653 for ( G4int j = 0 ; j < n ; j++ )
654 {
655 if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
656 rhoa[i] += rha[i][j];
657 }
658 }
659
660 rhoa[i] = std::pow ( rhoa[i] + 1 , 1.0/3.0 );
661
662 }
663
664// identification of the cluster
665
666 std::map < G4int , std::vector < G4int > > cluster_map;
667 std::vector < G4bool > is_already_belong_some_cluster;
668
669 // cluster_id participant_id
670 std::multimap < G4int , G4int > comb_map;
671 std::multimap < G4int , G4int > assign_map;
672 assign_map.clear();
673
674 std::vector < G4int > mascl;
675 std::vector < G4int > num;
676 mascl.resize ( n );
677 num.resize ( n );
678 is_already_belong_some_cluster.resize ( n );
679
680 std::vector < G4int > is_assigned_to ( n , -1 );
681 std::multimap < G4int , G4int > clusters;
682
683 for ( G4int i = 0 ; i < n ; i++ )
684 {
685 mascl[i] = 1;
686 num[i] = 1;
687
688 is_already_belong_some_cluster[i] = false;
689 }
690
691
692 G4int nclst = 1;
693 G4int ichek = 1;
694
695
696 G4int id = 0;
697 G4int cluster_id = -1;
698 for ( G4int i = 0 ; i < n-1 ; i++ )
699 {
700
701 G4bool hasThisCompany = false;
702// Check only for bryons?
703// std::cout << "Check Baryon " << i << std::endl;
704
705 if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
706 {
707
708// if ( is_already_belong_some_cluster[i] != true )
709// {
710 //G4int j1 = ichek + 1;
711 G4int j1 = i + 1;
712 for ( G4int j = j1 ; j < n ; j++ )
713 {
714
715 std::vector < G4int > cluster_participants;
716 if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
717 {
718 G4double rdist2 = rr2[ i ][ j ];
719 G4double pdist2 = pp2[ i ][ j ];
720 //G4double rdist2 = rr2[ num[i] ][ num[j] ];
721 //G4double pdist2 = pp2[ num[i] ][ num[j] ];
722 G4double pcc2 = cpf2
723 * ( rhoa[ i ] + rhoa[ j ] )
724 * ( rhoa[ i ] + rhoa[ j ] );
725
726// Check phase space: close enough?
727 if ( rdist2 < rcc2 && pdist2 < pcc2 )
728 {
729
730/*
731 std::cout << "G4QMDRESULT "
732 << i << " " << j << " " << id << " "
733 << is_assigned_to [ i ] << " " << is_assigned_to [ j ]
734 << std::endl;
735*/
736
737 if ( is_assigned_to [ j ] == -1 )
738 {
739 if ( is_assigned_to [ i ] == -1 )
740 {
741 if ( clusters.size() != 0 )
742 {
743 id = clusters.rbegin()->first + 1;
744 //std::cout << "id is increare " << id << std::endl;
745 }
746 else
747 {
748 id = 0;
749 }
750 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , i ) );
751 is_assigned_to [ i ] = id;
752 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , j ) );
753 is_assigned_to [ j ] = id;
754 }
755 else
756 {
757 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ i ] , j ) );
758 is_assigned_to [ j ] = is_assigned_to [ i ];
759 }
760 }
761 else
762 {
763// j is already belong to some cluester
764 if ( is_assigned_to [ i ] == -1 )
765 {
766 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , i ) );
767 is_assigned_to [ i ] = is_assigned_to [ j ];
768 }
769 else
770 {
771// i has companion
772 if ( is_assigned_to [ i ] != is_assigned_to [ j ] )
773 {
774// move companions to the cluster
775//
776 //std::cout << "combine " << is_assigned_to [ i ] << " to " << is_assigned_to [ j ] << std::endl;
777 std::multimap< G4int , G4int > clusters_tmp;
778 G4int target_cluster_id;
779 if ( is_assigned_to [ i ] > is_assigned_to [ j ] )
780 target_cluster_id = is_assigned_to [ i ];
781 else
782 target_cluster_id = is_assigned_to [ j ];
783
784 for ( std::multimap< G4int , G4int >::iterator it
785 = clusters.begin() ; it != clusters.end() ; it++ )
786 {
787
788 //std::cout << it->first << " " << it->second << " " << target_cluster_id << std::endl;
789 if ( it->first == target_cluster_id )
790 {
791 //std::cout << "move " << it->first << " " << it->second << std::endl;
792 is_assigned_to [ it->second ] = is_assigned_to [ j ];
793 clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , it->second ) );
794 }
795 else
796 {
797 clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( it->first , it->second ) );
798 }
799 }
800
801 clusters = clusters_tmp;
802 //id = clusters.rbegin()->first;
803 //id = target_cluster_id;
804 //std::cout << "id " << id << std::endl;
805 }
806 }
807 }
808
809 //std::cout << "combination " << i << " " << j << std::endl;
810 comb_map.insert( std::multimap<G4int,G4int>::value_type ( i , j ) );
811 cluster_participants.push_back ( j );
812
813
814
815 if ( assign_map.find( cluster_id ) == assign_map.end() )
816 {
817 is_already_belong_some_cluster[i] = true;
818 assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , i ) );
819 hasThisCompany = true;
820 }
821 assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , j ) );
822 is_already_belong_some_cluster[j] = true;
823
824 }
825
826 if ( ichek == i )
827 {
828 nclst++;
829 ichek++;
830 }
831 }
832
833 if ( cluster_participants.size() > 0 )
834 {
835// cluster , participant
836 cluster_map.insert ( std::pair < G4int , std::vector < G4int > > ( i , cluster_participants ) );
837 }
838 }
839// }
840 }
841 if ( hasThisCompany == true ) cluster_id++;
842 }
843
844 //std::cout << " id " << id << std::endl;
845
846// sort
847// Heavy cluster comes first
848// size cluster_id
849 std::multimap< G4int , G4int > sorted_cluster_map;
850 for ( G4int i = 0 ; i <= id ; i++ ) // << "<=" because id is highest cluster nubmer.
851 {
852
853 //std::cout << i << " cluster has " << clusters.count( i ) << " nucleons." << std::endl;
854 sorted_cluster_map.insert ( std::multimap<G4int,G4int>::value_type ( clusters.count( i ) , i ) );
855
856 }
857
858
859// create nucleus from devided clusters
860 std::vector < G4QMDNucleus* > result;
861 for ( std::multimap < G4int , G4int >::reverse_iterator it
862 = sorted_cluster_map.rbegin() ; it != sorted_cluster_map.rend() ; it ++)
863 {
864
[962]865 //G4cout << "Add Participants to cluseter " << it->second << G4endl;
[819]866
867 if ( it->first != 0 )
868 {
869 G4QMDNucleus* nucleus = new G4QMDNucleus();
870 for ( std::multimap < G4int , G4int >::iterator itt
871 = clusters.begin() ; itt != clusters.end() ; itt ++)
872 {
873
874 if ( it->second == itt->first )
875 {
876 nucleus->SetParticipant( system->GetParticipant ( itt->second ) );
[962]877 //G4cout << "Add Participants " << itt->second << " " << system->GetParticipant ( itt->second )->GetPosition() << G4endl;
[819]878 }
879
880 }
881 result.push_back( nucleus );
882 }
883
884 }
885
886// delete participants from current system
887
888 for ( std::vector < G4QMDNucleus* > ::iterator it
889 = result.begin() ; it != result.end() ; it++ )
890 {
891 system->SubtractSystem ( *it );
892 }
893
894 return result;
895
896}
[962]897
898
899
900void G4QMDMeanField::Update()
901{
902 SetSystem( system );
903}
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