Geant4  10.00.p03
G4NeutronHPElastic.cc
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25 //
26 // neutron_hp -- source file
27 // J.P. Wellisch, Nov-1996
28 // A prototype of the low energy neutron transport model.
29 //
30 // 070523 bug fix for G4FPE_DEBUG on by A. Howard ( and T. Koi)
31 // 080319 Compilation warnings - gcc-4.3.0 fix by T. Koi
32 //
33 #include "G4NeutronHPElastic.hh"
34 #include "G4SystemOfUnits.hh"
35 #include "G4NeutronHPElasticFS.hh"
36 #include "G4NeutronHPManager.hh"
37 
39  :G4HadronicInteraction("NeutronHPElastic")
40  {
41  overrideSuspension = false;
43  if(!getenv("G4NEUTRONHPDATA"))
44  throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
45  dirName = getenv("G4NEUTRONHPDATA");
46  G4String tString = "/Elastic";
47  dirName = dirName + tString;
48 // G4cout <<"G4NeutronHPElastic::G4NeutronHPElastic testit "<<dirName<<G4endl;
50  //theElastic = new G4NeutronHPChannel[numEle];
51  //for (G4int i=0; i<numEle; i++)
52  //{
53  // theElastic[i].Init((*(G4Element::GetElementTable()))[i], dirName);
54  // while(!theElastic[i].Register(theFS)) ;
55  //}
56  for ( G4int i = 0 ; i < numEle ; i++ )
57  {
58  theElastic.push_back( new G4NeutronHPChannel );
60  while(!(*theElastic[i]).Register(theFS)) ;
61  }
62  delete theFS;
63  SetMinEnergy(0.*eV);
64  SetMaxEnergy(20.*MeV);
65  }
66 
68  {
69  //delete [] theElastic;
70  for ( std::vector<G4NeutronHPChannel*>::iterator
71  it = theElastic.begin() ; it != theElastic.end() ; it++ )
72  {
73  delete *it;
74  }
75  theElastic.clear();
76  }
77 
79 
81  {
82 
84 
86  const G4Material * theMaterial = aTrack.GetMaterial();
87  G4int n = theMaterial->GetNumberOfElements();
88  G4int index = theMaterial->GetElement(0)->GetIndex();
89  if(n!=1)
90  {
91  G4int i;
92  xSec = new G4double[n];
93  G4double sum=0;
94  const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
95  G4double rWeight;
96  G4NeutronHPThermalBoost aThermalE;
97  for (i=0; i<n; i++)
98  {
99  index = theMaterial->GetElement(i)->GetIndex();
100  rWeight = NumAtomsPerVolume[i];
101  //xSec[i] = theElastic[index].GetXsec(aThermalE.GetThermalEnergy(aTrack,
102  xSec[i] = (*theElastic[index]).GetXsec(aThermalE.GetThermalEnergy(aTrack,
103  theMaterial->GetElement(i),
104  theMaterial->GetTemperature()));
105  xSec[i] *= rWeight;
106  sum+=xSec[i];
107  }
108  G4double random = G4UniformRand();
109  G4double running = 0;
110  for (i=0; i<n; i++)
111  {
112  running += xSec[i];
113  index = theMaterial->GetElement(i)->GetIndex();
114  //if(random<=running/sum) break;
115  if( sum == 0 || random <= running/sum ) break;
116  }
117  delete [] xSec;
118  // it is element-wise initialised.
119  }
120  //G4HadFinalState* finalState = theElastic[index].ApplyYourself(aTrack);
121  G4HadFinalState* finalState = (*theElastic[index]).ApplyYourself(aTrack);
122  if (overrideSuspension) finalState->SetStatusChange(isAlive);
123 
124  //Overwrite target parameters
125  aNucleus.SetParameters(G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA(),G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargZ());
126  const G4Element* target_element = (*G4Element::GetElementTable())[index];
127  const G4Isotope* target_isotope=NULL;
128  G4int iele = target_element->GetNumberOfIsotopes();
129  for ( G4int j = 0 ; j != iele ; j++ ) {
130  target_isotope=target_element->GetIsotope( j );
131  if ( target_isotope->GetN() == G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA() ) break;
132  }
133  //G4cout << "Target Material of this reaction is " << theMaterial->GetName() << G4endl;
134  //G4cout << "Target Element of this reaction is " << target_element->GetName() << G4endl;
135  //G4cout << "Target Isotope of this reaction is " << target_isotope->GetName() << G4endl;
136  aNucleus.SetIsotope( target_isotope );
137 
139  return finalState;
140  }
141 
142 const std::pair<G4double, G4double> G4NeutronHPElastic::GetFatalEnergyCheckLevels() const
143 {
144  //return std::pair<G4double, G4double>(10*perCent,10*GeV);
145  return std::pair<G4double, G4double>(10*perCent,DBL_MAX);
146 }
147 
149 {
151  for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ )
152  {
153  G4cout << "G4NeutronHPElastic Prepairing Data for the new element of " << (*(G4Element::GetElementTable()))[i]->GetName() << G4endl;
154  theElastic.push_back( new G4NeutronHPChannel );
156  while(!(*theElastic[i]).Register(theFS)) ;
157  }
158  delete theFS;
160 }
161 
163 {
165 }
167 {
169 }
size_t GetNumberOfIsotopes() const
Definition: G4Element.hh:158
void SetIsotope(const G4Isotope *iso)
Definition: G4Nucleus.hh:122
void Init()
Definition: G4IonTable.cc:89
static const double MeV
Definition: G4SIunits.hh:193
G4HadFinalState * ApplyYourself(const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus)
static G4NeutronHPManager * GetInstance()
G4NeutronHPReactionWhiteBoard * GetReactionWhiteBoard()
G4int GetVerboseLevel() const
const G4Element * GetElement(G4int iel) const
Definition: G4Material.hh:200
int G4int
Definition: G4Types.hh:78
virtual const std::pair< G4double, G4double > GetFatalEnergyCheckLevels() const
void SetStatusChange(G4HadFinalStateStatus aS)
void SetMinEnergy(G4double anEnergy)
const G4double * GetVecNbOfAtomsPerVolume() const
Definition: G4Material.hh:204
G4int GetN() const
Definition: G4Isotope.hh:94
#define G4UniformRand()
Definition: Randomize.hh:87
G4GLOB_DLL std::ostream G4cout
static size_t GetNumberOfElements()
Definition: G4Element.cc:410
std::vector< G4NeutronHPChannel * > theElastic
size_t GetIndex() const
Definition: G4Element.hh:181
static const double perCent
Definition: G4SIunits.hh:296
const G4int n
void SetVerboseLevel(G4int i)
static const double eV
Definition: G4SIunits.hh:194
G4double GetThermalEnergy(const G4HadProjectile &aP, const G4Element *anE, G4double aT)
void SetMaxEnergy(const G4double anEnergy)
const G4Isotope * GetIsotope(G4int iso) const
Definition: G4Element.hh:169
G4double GetTemperature() const
Definition: G4Material.hh:180
#define G4endl
Definition: G4ios.hh:61
const G4Material * GetMaterial() const
size_t GetNumberOfElements() const
Definition: G4Material.hh:184
double G4double
Definition: G4Types.hh:76
static G4ElementTable * GetElementTable()
Definition: G4Element.cc:403
#define DBL_MAX
Definition: templates.hh:83
void SetParameters(const G4double A, const G4double Z)
Definition: G4Nucleus.cc:198