Import Geant4 1.0.0 source tree

2016-06-08 15:28:20 +02:00
parent aaa409b6ee
commit ca1c8cb059
2995 changed files with 106830 additions and 299600 deletions
@@ -0,0 +1,85 @@
+#include "G4NeutronElementIsoCrossSections.hh"
+
+G4NeutronElementIsoCrossSections::
+G4NeutronElementIsoCrossSections()
+{
+  nIsotopes = 0;
+  theData = NULL;
+}
+
+G4NeutronElementIsoCrossSections::
+~G4NeutronElementIsoCrossSections()
+{
+  for(G4int i=0; i<nIsotopes; i++)
+  {
+    delete theData[i];
+  }
+  delete theData;
+}
+
+void G4NeutronElementIsoCrossSections::
+Init(const G4Element * anElement)
+{
+  G4int Z = anElement->GetZ();
+  nIsotopes = anElement->GetNumberOfIsotopes();
+  G4bool useIsotopesFromElement = true;
+  if( nIsotopes == 0 ) 
+  {
+    nIsotopes += theStableOnes.GetNumberOfIsotopes(Z);
+    useIsotopesFromElement = false;
+  }
+  theData = new G4NeutronIsoIsoCrossSections * [nIsotopes];
+  if(useIsotopesFromElement)
+  {
+    for (G4int i=0; i<nIsotopes; i++)
+    {
+      G4int A = anElement->GetIsotope(i)->GetN();
+      G4double frac = anElement->GetRelativeAbundanceVector()[i]/perCent;
+      theData[i] = new G4NeutronIsoIsoCrossSections;
+      theData[i]->Init(A, Z, frac);
+    }
+  }
+  else 
+  {
+    G4int first = theStableOnes.GetFirstIsotope(Z);
+    for(G4int i=0; i<theStableOnes.GetNumberOfIsotopes(Z); i++)
+    {
+      G4int A = theStableOnes.GetIsotopeNucleonCount(first+i);
+      G4double frac = theStableOnes.GetAbundance(first+i);
+      theData[i] = new G4NeutronIsoIsoCrossSections;
+      theData[i]->Init(A, Z, frac);
+    }
+  }
+}
+
+G4double G4NeutronElementIsoCrossSections::
+GetCrossSection(G4double anEnergy)
+{
+  G4double result = 0;
+  for(G4int i=0; i<nIsotopes; i++)
+  {
+    result += theData[i]->GetCrossSection(anEnergy);
+  }
+  crossSectionBuffer = result;
+  return result;
+}
+
+G4IsoResult * G4NeutronElementIsoCrossSections::
+GetProductIsotope(G4double anEnergy)
+{
+  G4double running = 0;
+  G4int index;
+  G4double random = G4UniformRand();
+  for(G4int i=0; i<nIsotopes; i++)
+  {
+    running += theData[i]->GetCrossSection(anEnergy);
+    index = i;
+    if(running/crossSectionBuffer > random) break;
+  }
+  G4String result = theData[index]->GetProductIsotope(anEnergy);
+  G4Nucleus nucleus(theData[index]->GetA(), theData[index]->GetZ());
+  G4IsoResult * theResult = new G4IsoResult(result, nucleus);
+  return theResult;
+}
+
+
@@ -0,0 +1,222 @@
+#include "G4NeutronIsoIsoCrossSections.hh"
+#include "G4NeutronHPDataUsed.hh"
+#include "G4NeutronInelasticCrossSection.hh"
+
+G4NeutronIsoIsoCrossSections::
+G4NeutronIsoIsoCrossSections()
+: theCrossSection(), theNames()
+{
+  theProductionData = NULL;
+  hasData = false;
+  theNumberOfProducts = 0;
+  theZ = 0;
+  theA = 0;
+}
+
+G4NeutronIsoIsoCrossSections::
+~G4NeutronIsoIsoCrossSections()
+{
+  for(G4int i=0; i<theNumberOfProducts; i++)
+  {
+    delete theProductionData[i];
+  }
+  delete theProductionData;
+}
+
+void G4NeutronIsoIsoCrossSections::
+Init(G4int A, G4int Z, G4double frac)
+{
+  frac = frac/100.;
+  // First transmution scattering cross-section
+  // in our definition inelastic and fission.
+  
+  theZ = Z;
+  theA = A;
+  theNames.SetMaxOffSet(5);
+  G4NeutronHPDataUsed dataUsed;
+  G4String rest = "/CrossSection/";
+  G4String base = getenv("NeutronHPCrossSections");
+  G4String base1 = base + "/Inelastic/";
+  G4bool hasInelasticData = false;
+  dataUsed = theNames.GetName(A, Z, base1, rest, hasInelasticData);
+  G4String aName = dataUsed.GetName();
+  G4NeutronHPVector inelasticData;
+  G4double dummy;
+  G4int total;
+  if(hasInelasticData)
+  {
+    ifstream aDataSet(aName, ios::in);
+    aDataSet >> dummy >> dummy >> total;
+    inelasticData.Init(aDataSet, total, eV);
+  }
+  base1 = base + "/Capture/";
+  G4bool hasCaptureData = false;
+  dataUsed = theNames.GetName(A, Z, base1, rest, hasCaptureData);
+  aName = dataUsed.GetName();
+  G4NeutronHPVector captureData;
+  if(hasCaptureData)
+  {
+    ifstream aDataSet(aName, ios::in);
+    aDataSet >> dummy >> dummy >> total;
+    captureData.Init(aDataSet, total, eV);
+  }
+  base1 = base + "/Elastic/";
+  G4bool hasElasticData = false;
+  dataUsed = theNames.GetName(A, Z, base1, rest, hasElasticData);
+  aName = dataUsed.GetName();
+  G4NeutronHPVector elasticData;
+  if(hasElasticData)
+  {
+    ifstream aDataSet(aName, ios::in);
+    aDataSet >> dummy >> dummy >> total;
+    elasticData.Init(aDataSet, total, eV);
+  }
+  base1 = base + "/Fission/";
+  G4bool hasFissionData = false;
+  if(Z>=91)
+  {
+    dataUsed = theNames.GetName(A, Z, base1, rest, hasFissionData);
+    aName = dataUsed.GetName();
+  }
+  G4NeutronHPVector fissionData;
+  if(hasFissionData)
+  {
+    ifstream aDataSet(aName, ios::in);
+    aDataSet >> dummy >> dummy >> total;
+    fissionData.Init(aDataSet, total, eV);
+  }
+  hasData = hasFissionData||hasInelasticData||hasElasticData||hasCaptureData;
+  G4NeutronHPVector merged, merged1;
+  if(hasData)
+  {
+    if(hasFissionData&&hasInelasticData) 
+    {
+      merged = fissionData + inelasticData;
+    }
+    else if(hasFissionData)
+    {
+      merged = fissionData;
+    }
+    else if(hasInelasticData)
+    {
+      merged = inelasticData;
+    }
+    
+    if(hasElasticData&&hasCaptureData)
+    {
+      merged1=elasticData + captureData;
+    }
+    else if(hasCaptureData)
+    {
+      merged1 = captureData;
+    }
+    else if(hasElasticData)
+    {
+      merged1 = elasticData;
+    }
+    
+    if((hasElasticData||hasCaptureData)&&(hasFissionData||hasInelasticData))
+    {
+      theCrossSection = merged + merged1;
+    }
+    else if(hasElasticData||hasCaptureData)
+    {
+      theCrossSection = merged1;
+    }
+    else if(hasFissionData||hasInelasticData)
+    {
+      theCrossSection = merged;
+    }
+    theCrossSection.Times(frac);
+  }
+//  theCrossSection.Dump();
+  
+  // now isotope-production cross-sections
+  theNames.SetMaxOffSet(1);
+  rest = "/CrossSection/";
+  base1 = base + "/IsotopeProduction/";
+  G4bool hasIsotopeProductionData;
+  dataUsed = theNames.GetName(A, Z, base1, rest, hasIsotopeProductionData);
+  aName = dataUsed.GetName();
+  if(hasIsotopeProductionData)
+  {
+    ifstream aDataSet(aName, ios::in);
+    aDataSet>>theNumberOfProducts;
+    theProductionData = new G4NeutronIsoProdCrossSections * [theNumberOfProducts];
+    for(G4int i=0; i<theNumberOfProducts; i++)
+    {
+      G4String aName;
+      aDataSet >> aName;
+      aDataSet >> dummy >> dummy;
+      theProductionData[i] = new G4NeutronIsoProdCrossSections(aName);
+      theProductionData[i]->Init(aDataSet);
+    }
+  }
+  else
+  {
+    hasData = false;
+  }
+  G4NeutronInelasticCrossSection theParametrization;
+  G4double lastEnergy = theCrossSection.GetX(theCrossSection.GetVectorLength()-1);
+  G4double lastValue = theCrossSection.GetY(theCrossSection.GetVectorLength()-1);
+  G4double norm = theParametrization.GetCrossSection(lastEnergy, A, Z);
+  G4double increment = 1*MeV;
+  while(lastEnergy+increment<101*MeV) 
+  {
+    G4double currentEnergy = lastEnergy+increment;
+    G4double value = theParametrization.GetCrossSection(currentEnergy, A, Z)*(lastValue/norm);
+    G4int position = theCrossSection.GetVectorLength();
+    theCrossSection.SetData(position, currentEnergy, value);
+    increment+=1*MeV;
+  }
+}
+
+G4double G4NeutronIsoIsoCrossSections::
+GetCrossSection(G4double anEnergy)
+{
+  G4double result;
+  result = theCrossSection.GetY(anEnergy);
+  return result;
+}
+
+G4String G4NeutronIsoIsoCrossSections::
+GetProductIsotope(G4double anEnergy)
+{
+  G4String result = "UNCHANGED";
+  
+  G4double totalXSec = theCrossSection.GetY(anEnergy);
+  if(totalXSec==0) return result;
+  
+  // now do the isotope changing reactions
+  G4double * xSec = new G4double[theNumberOfProducts];
+  G4double sum = 0;
+  {
+  for(G4int i=0; i<theNumberOfProducts; i++)
+  {
+    xSec[i] = theProductionData[i]->GetProductionCrossSection(anEnergy);
+    sum += xSec[i];
+  }
+  }
+  G4double isoChangeXsec = sum;
+  G4double rand = G4UniformRand();
+  if(rand > isoChangeXsec/totalXSec) 
+  {
+    delete [] xSec;
+    return result;
+  }
+  G4double random = G4UniformRand();
+  G4double running = 0;
+  G4int index;
+  {
+  for(G4int i=0; i<theNumberOfProducts; i++)
+  {
+    running += xSec[i];
+    index = i;
+    if(random<=running/sum) break;
+  }
+  }
+  delete [] xSec;
+  result = theProductionData[index]->GetProductIsotope();
+  
+  return result;
+}
@@ -0,0 +1,23 @@
+#include "G4NeutronIsoProdCrossSections.hh"
+
+void G4NeutronIsoProdCrossSections::
+Init(ifstream & aDataSet)
+{
+  G4int aNumberOfPoints;
+  aDataSet>>aNumberOfPoints;
+  theProductionCrossSections.Init(aDataSet, aNumberOfPoints, eV);
+}
+
+G4double G4NeutronIsoProdCrossSections::
+GetProductionCrossSection(G4double anEnergy)
+{
+  G4double result;
+  result = theProductionCrossSections.GetY(anEnergy);
+  return result;
+}
+
+G4String G4NeutronIsoProdCrossSections::
+GetProductIsotope()
+{
+  return theProductName;
+}
@@ -0,0 +1,68 @@
+#include "G4NeutronIsotopeProduction.hh"
+
+G4NeutronIsotopeProduction::
+G4NeutronIsotopeProduction()
+{
+  numberOfElements = G4Element::GetNumberOfElements();
+  theData = new G4NeutronElementIsoCrossSections * [numberOfElements];
+  for(G4int i=0; i< numberOfElements; i++)
+  {
+    theData[i] = new G4NeutronElementIsoCrossSections;
+    if((*(G4Element::GetElementTable()))(i)->GetZ()>12 &&
+       (*(G4Element::GetElementTable()))(i)->GetZ()<84) // @@@@@@ workaround to ne fixed in G4NeutronHPNames.
+    {
+      theData[i]->Init((*(G4Element::GetElementTable()))(i));
+    }
+  }
+}
+
+G4NeutronIsotopeProduction::
+~G4NeutronIsotopeProduction()
+{
+  for(G4int i=0; i<numberOfElements; i++)
+  {
+    delete theData[i];
+  }
+  if(theData!=NULL) delete [] theData;
+}
+
+
+G4IsoResult * G4NeutronIsotopeProduction::
+GetIsotope(const G4Track& aTrack,
+           const G4Nucleus & aNucleus)
+{
+  // is applicable?
+  if(aTrack.GetDynamicParticle()->GetDefinition() != G4Neutron::Neutron()) return NULL;
+  if(aTrack.GetKineticEnergy()>100*MeV) return NULL;
+
+  // get the isotope
+  G4Material * theMaterial = aTrack.GetMaterial();
+  if(theMaterial->GetZ()<13) return NULL; //@@@@@@ workaround to ne fixed in G4NeutronHPNames.
+  if(theMaterial->GetZ()>83) return NULL; //@@@@@@ workaround to ne fixed in G4NeutronHPNames.
+  G4int nEleInMat = theMaterial->GetNumberOfElements();
+  G4int index;
+  G4double * xSec = new G4double[nEleInMat];
+  G4double sum = 0;
+  {
+  for(G4int i=0; i<nEleInMat; i++)
+  {
+    index = theMaterial->GetElement(i)->GetIndex();
+    xSec[i] = theData[index]->GetCrossSection(aTrack.GetKineticEnergy());
+    sum += xSec[i];
+  }
+  }
+  G4double random = G4UniformRand();
+  G4double running = 0;
+  {
+  for(G4int i=0; i<nEleInMat; i++)
+  {
+    running += xSec[i];
+    index = theMaterial->GetElement(i)->GetIndex();
+    if(random<=running/sum) break;
+  }
+  }
+  delete [] xSec;
+  G4IsoResult * result = theData[index]->GetProductIsotope(aTrack.GetKineticEnergy());
+  return result;
+}
+