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860a2b92bff1fbd70bc77cf7b43f8558634763b2
geant4/source/processes/hadronic/models/qmd/src/G4LightIonQMDMeanField.cc
T
Gabriele Cosmo 860a2b92bf Import Geant4 11.2.0 source tree
2023-12-08 10:43:34 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
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// ********************************************************************
//
// 081120 Add Update by T. Koi
//
// 230307 Skyrme-QMD parameters added by Y-H. Sato and A. Haga
// 230307 "CalDensityProfile" and "CalChargeDensityProfile" functions added by Y-H. Sato and A. Haga
// 230307 "GetSingleEnergy" and "GetTotalEnergy" functions added by Y-H. Sato and A. Haga
#include <map>
#include <algorithm>
#include <numeric>
#include <cmath>
#include <CLHEP/Random/Stat.h>
#include "G4LightIonQMDMeanField.hh"
#include "G4LightIonQMDParameters.hh"
#include "G4Exp.hh"
#include "G4Pow.hh"
#include "G4PhysicalConstants.hh"
#include "Randomize.hh"
G4LightIonQMDMeanField::G4LightIonQMDMeanField()
{
G4LightIonQMDParameters* parameters = G4LightIonQMDParameters::GetInstance();
wl = parameters->Get_wl();
cl = parameters->Get_cl();
rho0 = parameters->Get_rho0();
hbc = parameters->Get_hbc();
gamm = parameters->Get_gamm();
eta = parameters->Get_eta(); // Skyrme-QMD
kappas = parameters->Get_kappas(); // Skyrme-QMD
cpw = parameters->Get_cpw();
cph = parameters->Get_cph();
cpc = parameters->Get_cpc();
c0 = parameters->Get_c0();
c3 = parameters->Get_c3();
cs = parameters->Get_cs();
g0 = parameters->Get_g0(); // Skyrme-QMD
g0iso = parameters->Get_g0iso(); // Skyrme-QMD
gtau0 = parameters->Get_gtau0(); // Skyrme-QMD
// distance
c0w = 1.0/4.0/wl;
c0sw = std::sqrt( c0w );
clw = 2.0 / std::sqrt ( 4.0 * pi * wl );
// graduate
c0g = - c0 / ( 2.0 * wl );
c3g = - c3 / ( 4.0 * wl ) * gamm;
csg = - cs / ( 2.0 * wl );
pag = gamm - 1;
pag_tau = eta - 1; // Skyrme-QMD
cg0 = - g0 / ( 2.0 * wl ); // Skyrme-QMD
cgtau0 = - gtau0 / ( 4.0 * wl ) * eta; // Skyrme-QMD
system = nullptr; // will be set through SetSystem method
}
void G4LightIonQMDMeanField::SetSystem ( G4QMDSystem* aSystem )
{
system = aSystem;
G4int n = system->GetTotalNumberOfParticipant();
pp2.clear();
rr2.clear();
rbij.clear();
rha.clear();
rhe.clear();
rhc.clear();
rr2.resize( n );
pp2.resize( n );
rbij.resize( n );
rha.resize( n );
rhe.resize( n );
rhc.resize( n );
for ( G4int i = 0 ; i < n ; ++i )
{
rr2[i].resize( n );
pp2[i].resize( n );
rbij[i].resize( n );
rha[i].resize( n );
rhe[i].resize( n );
rhc[i].resize( n );
}
ffr.clear();
ffp.clear();
rh3d.clear();
rh3d_tau.clear(); // Skyrme-QMD
ffr.resize( n );
ffp.resize( n );
rh3d.resize( n );
rh3d_tau.resize( n ); // Skyrme-QMD
Cal2BodyQuantities();
}
void G4LightIonQMDMeanField::SetNucleus ( G4LightIonQMDNucleus* aNucleus )
{
SetSystem( aNucleus );
G4double totalPotential = GetTotalPotential();
aNucleus->SetTotalPotential( totalPotential );
aNucleus->CalEnergyAndAngularMomentumInCM();
}
void G4LightIonQMDMeanField::Cal2BodyQuantities()
{
if ( system->GetTotalNumberOfParticipant() < 2 ) { return; }
for ( G4int j = 1 ; j < system->GetTotalNumberOfParticipant() ; ++j )
{
G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
for ( G4int i = 0 ; i < j ; ++i )
{
G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
G4ThreeVector rij = ri - rj;
G4ThreeVector pij = (p4i - p4j).v();
G4LorentzVector p4ij = p4i - p4j;
G4ThreeVector bij = ( p4i + p4j ).boostVector();
G4double gammaij = ( p4i + p4j ).gamma();
G4double eij = ( p4i + p4j ).e();
G4double rbrb = rij*bij;
G4double rij2 = rij*rij;
G4double pij2 = pij*pij;
rbrb = irelcr * rbrb;
G4double gamma2_ij = gammaij*gammaij;
rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
rr2[j][i] = rr2[i][j];
rbij[i][j] = gamma2_ij * rbrb;
rbij[j][i] = - rbij[i][j];
pp2[i][j] = pij2
+ irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
+ gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
pp2[j][i] = pp2[i][j];
// Gauss term
G4double expa1 = - rr2[i][j] * c0w;
G4double rh1;
if ( expa1 > epsx )
{
rh1 = G4Exp( expa1 );
}
else
{
rh1 = 0.0;
}
G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
rha[i][j] = ibry*jbry*rh1;
rha[j][i] = rha[i][j];
// Coulomb terms
G4double rrs2 = rr2[i][j] + epscl;
G4double rrs = std::sqrt ( rrs2 );
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4double xerf = 0.0;
// T. K. add this protection. 5.8 is good enough for double
if ( rrs*c0sw < 5.8 )
{
#if defined WIN32-VC
xerf = CLHEP::HepStat::erf ( rrs*c0sw );
#else
xerf = std::erf ( rrs*c0sw );
#endif
}
else
{
xerf = 1.0;
}
G4double erfij = xerf/rrs;
rhe[i][j] = icharge*jcharge * erfij;
rhe[j][i] = rhe[i][j];
rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
rhc[j][i] = rhc[i][j];
} // i
} // j
}
void G4LightIonQMDMeanField::Cal2BodyQuantities( G4int i )
{
G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
{
if ( j == i ) { continue; }
G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
G4ThreeVector rij = ri - rj;
G4ThreeVector pij = (p4i - p4j).v();
G4LorentzVector p4ij = p4i - p4j;
G4ThreeVector bij = ( p4i + p4j ).boostVector();
G4double gammaij = ( p4i + p4j ).gamma();
G4double eij = ( p4i + p4j ).e();
G4double rbrb = rij*bij;
G4double rij2 = rij*rij;
G4double pij2 = pij*pij;
rbrb = irelcr * rbrb;
G4double gamma2_ij = gammaij*gammaij;
rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
rr2[j][i] = rr2[i][j];
rbij[i][j] = gamma2_ij * rbrb;
rbij[j][i] = - rbij[i][j];
pp2[i][j] = pij2
+ irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
+ gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
pp2[j][i] = pp2[i][j];
// Gauss term
G4double expa1 = - rr2[i][j] * c0w;
G4double rh1;
if ( expa1 > epsx )
{
rh1 = G4Exp( expa1 );
}
else
{
rh1 = 0.0;
}
G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
rha[i][j] = ibry*jbry*rh1;
rha[j][i] = rha[i][j];
// Coulomb terms
G4double rrs2 = rr2[i][j] + epscl;
G4double rrs = std::sqrt ( rrs2 );
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4double xerf = 0.0;
// T. K. add this protection. 5.8 is good enough for double
if ( rrs*c0sw < 5.8 )
{
#if defined WIN32-VC
xerf = CLHEP::HepStat::erf ( rrs*c0sw );
#else
xerf = std::erf ( rrs*c0sw );
#endif
}
else
{
xerf = 1.0;
}
G4double erfij = xerf/rrs;
rhe[i][j] = icharge*jcharge * erfij;
rhe[j][i] = rhe[i][j];
rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
rhc[j][i] = rhc[i][j];
}
}
void G4LightIonQMDMeanField::CalGraduate()
{
ffr.resize( system->GetTotalNumberOfParticipant() );
ffp.resize( system->GetTotalNumberOfParticipant() );
rh3d.resize( system->GetTotalNumberOfParticipant() );
rh3d_tau.resize( system->GetTotalNumberOfParticipant() ); // Skyrme-QMD
for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; ++i )
{
G4double rho3 = 0.0;
for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
{
rho3 += rha[j][i];
}
rh3d[i] = G4Pow::GetInstance()->powA ( rho3 , pag );
rh3d_tau[i] = G4Pow::GetInstance()->powA ( rho3 , pag_tau ); // Skyrme-QMD
}
for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; ++i )
{
G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
G4ThreeVector betai = p4i.v()/p4i.e();
// R-JQMD
G4double Vi = GetPotential( i );
G4double p_zero = std::sqrt( p4i.e()*p4i.e() + 2*p4i.m()*Vi);
G4ThreeVector betai_R = p4i.v()/p_zero;
G4double mi_R = p4i.m()/p_zero;
ffr[i] = betai_R;
ffp[i] = G4ThreeVector( 0.0 );
for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
{
G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
G4double eij = p4i.e() + p4j.e();
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4int inuc = system->GetParticipant(i)->GetNuc();
G4int jnuc = system->GetParticipant(j)->GetNuc();
G4double fsij = 3.0/(2*wl) - rr2[j][i]/(2*wl)/(2*wl); // Add for Skyrme-QMD
G4double ccpp = c0g * rha[j][i]
+ c3g * rha[j][i] * ( rh3d[j] + rh3d[i] )
+ cg0 * rha[j][i]/wl
+ cg0 * rha[j][i] * fsij
+ cgtau0 * rha[j][i] * ( rh3d_tau[j] + rh3d_tau[i] )
+ csg * rha[j][i] * jnuc * inuc
* ( 1. - 2. * std::abs( jcharge - icharge ) )
* (1. - kappas * fsij + kappas / wl)
+ cl * rhc[j][i];
ccpp *= mi_R;
G4double grbb = - rbij[j][i];
G4double ccrr = grbb * ccpp / eij;
G4ThreeVector rij = ri - rj;
G4ThreeVector betaij = ( p4i + p4j ).v()/eij;
G4ThreeVector cij = betaij - betai;
ffr[i] = ffr[i] + 2*ccrr* ( rij + grbb*cij );
ffp[i] = ffp[i] - 2*ccpp* ( rij + grbb*betaij );
}
}
}
G4double G4LightIonQMDMeanField::GetPotential( G4int i )
{
G4int n = system->GetTotalNumberOfParticipant();
G4double rhoa = 0.0;
G4double rho3 = 0.0;
G4double fsij_rhoa = 0.0; // Skyrme-QMD
//G4double fsij_rhos = 0.0; // Skyrme-QMD
G4double rho3_tau = 0.0; // Skyrme-QMD
G4double rhos = 0.0;
G4double rhoc = 0.0;
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
G4int inuc = system->GetParticipant(i)->GetNuc();
for ( G4int j = 0 ; j < n ; ++j )
{
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4int jnuc = system->GetParticipant(j)->GetNuc();
G4double fsij = 3.0/(2*wl) - rr2[j][i]/(2*wl)/(2*wl); // Add for Skyrme-QMD
rhoa += rha[j][i];
fsij_rhoa += fsij * rha[j][i]; // Skyrme-QMD
rhoc += rhe[j][i];
rhos += rha[j][i] * jnuc * inuc
* ( 1. - 2. * std::abs( jcharge - icharge ) ) // Skyrme-QMD
* (1. - kappas * fsij); // Skyrme-QMD
}
rho3 = G4Pow::GetInstance()->powA ( rhoa , gamm );
rho3_tau = G4Pow::GetInstance()->powA ( rhoa , eta );
G4double potential = c0 * rhoa
+ c3 * rho3
+ g0 * fsij_rhoa // Skyrme-QMD
//+ g0iso * fsij_rhos // Skyrme-QMD
+ gtau0 * rho3_tau // Skyrme-QMD
+ cs * rhos
+ cl * rhoc;
return potential;
}
G4double G4LightIonQMDMeanField::GetTotalPotential()
{
G4int n = system->GetTotalNumberOfParticipant();
std::vector < G4double > rhoa ( n , 0.0 );
std::vector < G4double > rho3 ( n , 0.0 );
std::vector < G4double > rho3_tau ( n , 0.0 ); // Skyrme-QMD
//std::vector < G4double > fsij_rhos ( n , 0.0 ); // Skyrme-QMD
std::vector < G4double > fsij_rhoa ( n , 0.0 ); // Skyrme-QMD
std::vector < G4double > rhos ( n , 0.0 );
std::vector < G4double > rhoc ( n , 0.0 );
for ( G4int i = 0 ; i < n ; ++i )
{
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
G4int inuc = system->GetParticipant(i)->GetNuc();
for ( G4int j = 0 ; j < n ; ++j )
{
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4int jnuc = system->GetParticipant(j)->GetNuc();
G4double fsij = 3.0/(2*wl) - rr2[j][i]/(2*wl)/(2*wl); // Add for Skyrme-QMD
rhoa[i] += rha[j][i];
fsij_rhoa[i] += fsij * rha[j][i]; // Skyrme-QMD
rhoc[i] += rhe[j][i];
rhos[i] += rha[j][i] * jnuc * inuc
//* ( 1 - 2 * std::abs ( jcharge - icharge ) );
* ( 1. - 2. * std::abs( jcharge - icharge ) ) // Skyrme-QMD
* (1. - kappas * fsij); // Skyrme-QMD
//fsij_rhos[i] += fsij * rha[j][i] * jnuc * inuc
//* ( 1. - 2. * std::abs( jcharge - icharge ) ) // Skyrme-QMD
//* (1. - kappas * fsij); // Skyrme-QMD
}
rho3[i] = G4Pow::GetInstance()->powA ( rhoa[i] , gamm );
rho3_tau[i] = G4Pow::GetInstance()->powA ( rhoa[i] , eta );
}
G4double potential = c0 * std::accumulate( rhoa.cbegin() , rhoa.cend() , 0.0 )
+ c3 * std::accumulate( rho3.cbegin() , rho3.cend() , 0.0 )
+ g0 * std::accumulate( fsij_rhoa.cbegin() , fsij_rhoa.cend() , 0.0 )
//+ g0iso * std::accumulate( fsij_rhos.cbegin() , fsij_rhos.cend() , 0.0 )
+ gtau0 * std::accumulate( rho3_tau.cbegin() , rho3_tau.cend() , 0.0 )
+ cs * std::accumulate( rhos.cbegin() , rhos.cend() , 0.0 )
+ cl * std::accumulate( rhoc.cbegin() , rhoc.cend() , 0.0 );
return potential;
}
G4double G4LightIonQMDMeanField::GetSingleEnergy( G4int j )
{
G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
G4double emass = p4j.m();
G4double ekinal2 = p4j.e()*p4j.e();
G4double esingle = std::sqrt(ekinal2 + 2*emass*GetPotential(j));
return esingle;
}
G4double G4LightIonQMDMeanField::GetTotalEnergy()
{
G4int n = system->GetTotalNumberOfParticipant();
G4double etotal = 0.0;
for ( int j = 0 ; j < n ; j++ )
{
G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
G4double emass = p4j.m();
G4double ekinal2 = p4j.e()*p4j.e();
etotal += std::sqrt(ekinal2 + 2*emass*GetPotential(j));
}
return etotal;
}
G4double G4LightIonQMDMeanField::calPauliBlockingFactor( G4int i )
{
// i is supposed beyond total number of Participant()
G4double pf = 0.0;
G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; ++j )
{
G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
G4int jnuc = system->GetParticipant(j)->GetNuc();
if ( jcharge == icharge && jnuc == 1 )
{
G4double expa = -rr2[i][j]*cpw;
if ( expa > epsx )
{
expa = expa - pp2[i][j]*cph;
if ( expa > epsx )
{
pf = pf + G4Exp ( expa );
}
}
}
}
return ( pf - 1.0 ) * cpc;
}
G4bool G4LightIonQMDMeanField::IsPauliBlocked( G4int i )
{
G4bool result = false;
if ( system->GetParticipant( i )->GetNuc() == 1 )
{
G4double pf = calPauliBlockingFactor( i );
G4double rand = G4UniformRand();
if ( pf > rand ) { result = true; }
}
return result;
}
void G4LightIonQMDMeanField::DoPropagation( G4double dt )
{
G4double cc2 = 1.0;
G4double cc1 = 1.0 - cc2;
G4double cc3 = 1.0 / 2.0 / cc2;
G4double dt3 = dt * cc3;
G4double dt1 = dt * ( cc1 - cc3 );
G4double dt2 = dt * cc2;
CalGraduate();
G4int n = system->GetTotalNumberOfParticipant();
// 1st Step
std::vector< G4ThreeVector > f0r, f0p;
f0r.resize( n );
f0p.resize( n );
for ( G4int i = 0 ; i < n ; ++i )
{
G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
ri += dt3* ffr[i];
p3i += dt3* ffp[i];
f0r[i] = ffr[i];
f0p[i] = ffp[i];
system->GetParticipant( i )->SetPosition( ri );
system->GetParticipant( i )->SetMomentum( p3i );
// we do not need set total momentum by ourselvs
}
// 2nd Step
Cal2BodyQuantities();
CalGraduate();
for ( G4int i = 0 ; i < n ; ++i )
{
G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
ri += dt1* f0r[i] + dt2* ffr[i];
p3i += dt1* f0p[i] + dt2* ffp[i];
system->GetParticipant( i )->SetPosition( ri );
system->GetParticipant( i )->SetMomentum( p3i );
// we do not need set total momentum by ourselvs
}
Cal2BodyQuantities();
}
std::vector< G4LightIonQMDNucleus* > G4LightIonQMDMeanField::DoClusterJudgment()
{
Cal2BodyQuantities();
G4double cpf2 = G4Pow::GetInstance()->A23 ( 1.5 * pi*pi * G4Pow::GetInstance()->powA ( 4.0 * pi * wl , -1.5 ) ) * hbc * hbc;
G4double rcc2 = rclds*rclds;
G4int n = system->GetTotalNumberOfParticipant();
std::vector < G4double > rhoa;
rhoa.resize ( n );
for ( G4int i = 0 ; i < n ; ++i )
{
rhoa[i] = 0.0;
if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
{
for ( G4int j = 0 ; j < n ; ++j )
{
if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
rhoa[i] += rha[i][j];
}
}
rhoa[i] = G4Pow::GetInstance()->A13 ( rhoa[i] + 1 );
}
// identification of the cluster
std::vector < G4bool > is_already_belong_some_cluster;
// cluster_id participant_id
std::multimap < G4int , G4int > comb_map;
std::multimap < G4int , G4int > assign_map;
assign_map.clear();
std::vector < G4int > mascl;
std::vector < G4int > num;
mascl.resize ( n );
num.resize ( n );
is_already_belong_some_cluster.resize ( n );
std::vector < G4int > is_assigned_to ( n , -1 );
std::multimap < G4int , G4int > clusters;
for ( G4int i = 0 ; i < n ; ++i )
{
mascl[i] = 1;
num[i] = 1;
is_already_belong_some_cluster[i] = false;
}
G4int ichek = 1;
G4int id = 0;
G4int cluster_id = -1;
for ( G4int i = 0 ; i < n-1 ; ++i )
{
G4bool hasThisCompany = false;
if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
{
G4int j1 = i + 1;
for ( G4int j = j1 ; j < n ; ++j )
{
std::vector < G4int > cluster_participants;
if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
{
G4double rdist2 = rr2[ i ][ j ];
G4double pdist2 = pp2[ i ][ j ];
G4double pcc2 = cpf2
* ( rhoa[ i ] + rhoa[ j ] )
* ( rhoa[ i ] + rhoa[ j ] );
// Check phase space: close enough?
if ( rdist2 < rcc2 && pdist2 < pcc2 )
{
if ( is_assigned_to [ j ] == -1 )
{
if ( is_assigned_to [ i ] == -1 )
{
if ( clusters.size() != 0 )
{
id = clusters.rbegin()->first + 1;
}
else
{
id = 0;
}
clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , i ) );
is_assigned_to [ i ] = id;
clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , j ) );
is_assigned_to [ j ] = id;
}
else
{
clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ i ] , j ) );
is_assigned_to [ j ] = is_assigned_to [ i ];
}
}
else
{
// j is already belong to some cluster
if ( is_assigned_to [ i ] == -1 )
{
clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , i ) );
is_assigned_to [ i ] = is_assigned_to [ j ];
}
else
{
// i has companion
if ( is_assigned_to [ i ] != is_assigned_to [ j ] )
{
// move companions to the cluster
std::multimap< G4int , G4int > clusters_tmp;
G4int target_cluster_id;
if ( is_assigned_to [ i ] > is_assigned_to [ j ] )
{
target_cluster_id = is_assigned_to [ i ];
}
else
{
target_cluster_id = is_assigned_to [ j ];
}
for ( auto it = clusters.cbegin() ; it != clusters.cend() ; ++it )
{
if ( it->first == target_cluster_id )
{
is_assigned_to [ it->second ] = is_assigned_to [ j ];
clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , it->second ) );
}
else
{
clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( it->first , it->second ) );
}
}
clusters = clusters_tmp;
}
}
}
comb_map.insert( std::multimap<G4int,G4int>::value_type ( i , j ) );
cluster_participants.push_back ( j );
if ( assign_map.find( cluster_id ) == assign_map.end() )
{
is_already_belong_some_cluster[i] = true;
assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , i ) );
hasThisCompany = true;
}
assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , j ) );
is_already_belong_some_cluster[j] = true;
}
if ( ichek == i )
{
++ichek;
}
}
}
}
if ( hasThisCompany == true ) { ++cluster_id; }
}
// sort
// Heavy cluster comes first
// size cluster_id
std::multimap< G4int , G4int > sorted_cluster_map;
for ( G4int i = 0 ; i <= id ; ++i ) // << "<=" because id is highest cluster nubmer.
{
sorted_cluster_map.insert ( std::multimap<G4int,G4int>::value_type ( (G4int) clusters.count( i ) , i ) );
}
// create nucleus from divided clusters
std::vector < G4LightIonQMDNucleus* > result;
for ( auto it = sorted_cluster_map.crbegin(); it != sorted_cluster_map.crend(); ++it )
{
if ( it->first != 0 )
{
G4LightIonQMDNucleus* nucleus = new G4LightIonQMDNucleus();
for ( auto itt = clusters.cbegin(); itt != clusters.cend(); ++itt )
{
if ( it->second == itt->first )
{
nucleus->SetParticipant( system->GetParticipant ( itt->second ) );
}
}
result.push_back( nucleus );
}
}
// delete participants from current system
for ( auto it = result.cbegin(); it != result.cend(); ++it )
{
system->SubtractSystem ( *it );
}
return result;
}
void G4LightIonQMDMeanField::Update()
{
SetSystem( system );
}
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