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1 // 3 //
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25 <<
26 //-------------------------------------------- <<
27 // <<
28 // ClassName: G4Material <<
29 // <<
30 // Description: Contains material properties <<
31 // <<
32 // Class description: <<
33 // <<
34 // Is used to define the material composition <<
35 // A G4Material is always made of G4Elements. <<
36 // the list of G4Elements, material density, m <<
37 // pressure. Other parameters are optional and <<
38 // or computed at initialisation. <<
39 // <<
40 // There is several ways to construct G4Materi <<
41 // - from single element; <<
42 // - from a list of components (elements or <<
43 // - from internal Geant4 database of materi <<
44 // 7 //
45 // A collection of constituent Elements/Materi << 8 // $Id: G4Material.hh,v 1.4.6.1.2.1.2.1 1999/12/08 17:34:04 gunter Exp $
46 // with specified weights by fractional mass o << 9 // GEANT4 tag $Name: geant4-01-01 $
47 // 10 //
48 // Quantities, with physical meaning or not, w <<
49 // material are computed and stored here as De <<
50 // 11 //
51 // The class contains as a private static memb << 12 // ------------------- class G4Material ---------------------
52 // materials (an ordered vector of materials). << 13 //
>> 14 // Torre Wenaus, November 1995
53 // 15 //
54 // It is strongly not recommended to delete ma << 16 // Materials defined via the G4Material class are used to define the
55 // All materials will be deleted automatically << 17 // composition of Geant volumes.
>> 18 // a Material is always made of Elements. It can be defined directly
>> 19 // from scratch (defined by a single element), specifying :
>> 20 // its name,
>> 21 // density,
>> 22 // state informations,
>> 23 // and Z,A of the underlying Element.
>> 24 // or in terms of a collection of constituent Elements with specified weights
>> 25 // (composition specified either by fractional mass or atom counts).
56 // 26 //
>> 27 // Quantities, with physical meaning or not, which are constant in a given
>> 28 // material are computed and stored here as Derived data members.
>> 29 // The class contains as a private static member the table of defined
>> 30 // materials (an ordered vector of materials).
>> 31
>> 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 33
57 // 10-07-96, new data members added by L.Urban 34 // 10-07-96, new data members added by L.Urban
58 // 12-12-96, new data members added by L.Urban 35 // 12-12-96, new data members added by L.Urban
59 // 20-01-97, aesthetic rearrangement. RadLengt 36 // 20-01-97, aesthetic rearrangement. RadLength calculation modified
60 // Data members Zeff and Aeff REMOVE 37 // Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
61 // (local definition of Zeff in Dens 38 // (local definition of Zeff in DensityEffect and FluctModel...)
62 // Vacuum defined as a G4State. Mixt << 39 // Vacuum defined as a G4State. Mixture flag removed, M.Maire
63 // 29-01-97, State=Vacuum automatically set de 40 // 29-01-97, State=Vacuum automatically set density=0 in the contructors.
64 // Subsequent protections have been << 41 // Subsequent protections have been put in the calculation of
65 // MeanExcEnergy, ShellCorrectionVec 42 // MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
66 // 20-03-97, corrected initialization of point 43 // 20-03-97, corrected initialization of pointers, M.Maire
67 // 10-06-97, new data member added by V.Grichi 44 // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
68 // 27-06-97, new function GetElement(int), M.M 45 // 27-06-97, new function GetElement(int), M.Maire
69 // 24-02-98, fFractionVector become fMassFract 46 // 24-02-98, fFractionVector become fMassFractionVector
70 // 28-05-98, kState=kVacuum removed: << 47 // 28-05-98, kState=kVacuum removed:
71 // The vacuum is an ordinary gas vit 48 // The vacuum is an ordinary gas vith very low density, M.Maire
72 // 12-06-98, new method AddMaterial() allowing 49 // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
73 // 09-07-98, Ionisation parameters removed fro 50 // 09-07-98, Ionisation parameters removed from the class, M.Maire
74 // 04-08-98, new method GetMaterial(materialNa 51 // 04-08-98, new method GetMaterial(materialName), M.Maire
75 // 05-10-98, change name: NumDensity -> NbOfAt 52 // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
76 // 18-11-98, SandiaTable interface modified. 53 // 18-11-98, SandiaTable interface modified.
77 // 19-07-99, new data member (chemicalFormula) 54 // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko
78 // 12-03-01, G4bool fImplicitElement (mma) << 55
79 // 30-03-01, suppression of the warning messag << 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
80 // 17-07-01, migration to STL. M. Verderi. <<
81 // 14-09-01, Suppression of the data member fI <<
82 // 31-10-01, new function SetChemicalFormula() <<
83 // 26-02-02, fIndexInTable renewed <<
84 // 06-08-02, remove constructors with Chemical <<
85 // 15-11-05, GetMaterial(materialName, G4bool <<
86 // 13-04-12, std::map<G4Material*,G4double> fM <<
87 // 21-04-12, fMassOfMolecule (mma) <<
88 57
89 #ifndef G4MATERIAL_HH 58 #ifndef G4MATERIAL_HH
90 #define G4MATERIAL_HH 1 << 59 #define G4MATERIAL_HH
91 60
>> 61 #include "G4ios.hh"
>> 62 #include "g4rw/tpvector.h"
>> 63 #include "g4rw/tpordvec.h"
>> 64 #include "globals.hh"
92 #include "G4Element.hh" 65 #include "G4Element.hh"
93 #include "G4ElementVector.hh" <<
94 #include "G4IonisParamMat.hh" <<
95 #include "G4MaterialPropertiesTable.hh" 66 #include "G4MaterialPropertiesTable.hh"
96 #include "G4MaterialTable.hh" << 67 #include "G4IonisParamMat.hh"
97 #include "G4SandiaTable.hh" 68 #include "G4SandiaTable.hh"
98 #include "G4ios.hh" <<
99 #include "globals.hh" <<
100 69
101 #include <CLHEP/Units/PhysicalConstants.h> << 70 typedef G4RWTPtrVector<G4Element> G4ElementVector;
102 71
103 #include <map> << 72 class G4Material; //forward declaration
104 #include <vector> << 73 typedef G4RWTPtrOrderedVector<G4Material> G4MaterialTable;
105 74
106 enum G4State << 75 enum G4State { kStateUndefined, kStateSolid, kStateLiquid, kStateGas };
107 { <<
108 kStateUndefined = 0, <<
109 kStateSolid, <<
110 kStateLiquid, <<
111 kStateGas <<
112 }; <<
113 76
114 static const G4double NTP_Temperature = 293.15 << 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
115 78
116 class G4Material 79 class G4Material
117 { 80 {
118 public: // with description << 81 public:
119 // Constructor to create a material from sin <<
120 G4Material(const G4String& name, // its nam <<
121 G4double z, // atomic number <<
122 G4double a, // mass of mole <<
123 G4double density, // density <<
124 G4State state = kStateUndefined, // solid <<
125 G4double temp = NTP_Temperature, // tempe <<
126 G4double pressure = CLHEP::STP_Pressure); <<
127 <<
128 // Constructor to create a material from a c <<
129 // and/or materials subsequently added via A <<
130 G4Material(const G4String& name, // its nam <<
131 G4double density, // density <<
132 G4int nComponents, // nbOfComponents <<
133 G4State state = kStateUndefined, // solid <<
134 G4double temp = NTP_Temperature, // tempe <<
135 G4double pressure = CLHEP::STP_Pressure); <<
136 <<
137 // Constructor to create a material from the <<
138 G4Material(const G4String& name, // its nam <<
139 G4double density, // density <<
140 const G4Material* baseMaterial, // base m <<
141 G4State state = kStateUndefined, // solid <<
142 G4double temp = NTP_Temperature, // tempe <<
143 G4double pressure = CLHEP::STP_Pressure); <<
144 <<
145 virtual ~G4Material(); <<
146 <<
147 // These methods allow customisation of corr <<
148 // computations. Free electron density above <<
149 // is a conductor. Computation of density ef <<
150 // may be more accurate but require extra co <<
151 void SetChemicalFormula(const G4String& chF) <<
152 void SetFreeElectronDensity(G4double val); <<
153 void ComputeDensityEffectOnFly(G4bool val); <<
154 <<
155 G4Material(const G4Material&) = delete; <<
156 const G4Material& operator=(const G4Material <<
157 <<
158 // Add an element, giving number of atoms <<
159 void AddElementByNumberOfAtoms(const G4Eleme <<
160 inline void AddElement(G4Element* elm, G4int <<
161 <<
162 // Add an element or material, giving fracti <<
163 void AddElementByMassFraction(const G4Elemen <<
164 inline void AddElement(G4Element* elm, G4dou <<
165 <<
166 void AddMaterial(G4Material* material, G4dou <<
167 <<
168 // <<
169 // retrieval methods <<
170 // <<
171 inline const G4String& GetName() const { ret <<
172 inline const G4String& GetChemicalFormula() <<
173 inline G4double GetFreeElectronDensity() con <<
174 inline G4double GetDensity() const { return <<
175 inline G4State GetState() const { return fSt <<
176 inline G4double GetTemperature() const { ret <<
177 inline G4double GetPressure() const { return <<
178 <<
179 // number of elements constituing this mater <<
180 inline std::size_t GetNumberOfElements() con <<
181 <<
182 // vector of pointers to elements constituin <<
183 inline const G4ElementVector* GetElementVect <<
184 <<
185 // vector of fractional mass of each element <<
186 inline const G4double* GetFractionVector() c <<
187 <<
188 // vector of atom count of each element: <<
189 inline const G4int* GetAtomsVector() const { <<
190 <<
191 // return a pointer to an element, given its <<
192 inline const G4Element* GetElement(G4int iel <<
193 <<
194 // vector of nb of atoms per volume of each <<
195 inline const G4double* GetVecNbOfAtomsPerVol <<
196 // total number of atoms per volume: <<
197 inline G4double GetTotNbOfAtomsPerVolume() c <<
198 // total number of electrons per volume: <<
199 inline G4double GetTotNbOfElectPerVolume() c <<
200 <<
201 // obsolete names (5-10-98) see the 2 functi <<
202 inline const G4double* GetAtomicNumDensityVe <<
203 inline G4double GetElectronDensity() const { <<
204 <<
205 // Radiation length: <<
206 inline G4double GetRadlen() const { return f <<
207 <<
208 // Nuclear interaction length <<
209 inline G4double GetNuclearInterLength() cons <<
210 82
211 // ionisation parameters: << 83 //
212 inline G4IonisParamMat* GetIonisation() cons << 84 // Constructor to create a material from scratch.
213 << 85 //
214 // Sandia table: << 86 G4Material(const G4String& name, //its name
215 inline G4SandiaTable* GetSandiaTable() const << 87 G4double z, //atomic number
216 << 88 G4double a, //mass of mole
217 // Base material: << 89 G4double density, //density
218 inline const G4Material* GetBaseMaterial() c << 90 G4State state = kStateUndefined, //solid,liqid,gas
219 << 91 G4double temp = STP_Temperature, //temperature
220 // material components: << 92 G4double pressure = STP_Pressure); //pressure
221 inline const std::map<G4Material*, G4double> << 93
222 << 94 //
223 // for chemical compound << 95 // Constructor to create a material from a combination of elements
224 inline G4double GetMassOfMolecule() const { << 96 // and/or materials subsequently added via AddElement and/or AddMaterial
225 << 97 //
226 // meaningful only for single material: << 98 G4Material(const G4String& name, //its name
227 G4double GetZ() const; << 99 G4double density, //density
228 G4double GetA() const; << 100 G4int nComponents, //nb of components
229 << 101 G4State state = kStateUndefined, //solid,liquid,gas
230 // the MaterialPropertiesTable (if any) atta << 102 G4double temp = STP_Temperature, //temperature
231 void SetMaterialPropertiesTable(G4MaterialPr << 103 G4double pressure = STP_Pressure); //pressure
232 << 104
233 inline G4MaterialPropertiesTable* GetMateria << 105 //
234 { << 106 // Constructor to create a material with chemical formula from scratch.
235 return fMaterialPropertiesTable; << 107 //
236 } << 108 G4Material(const G4String& name, //its name
237 << 109 const G4String& chFormula, //chemical formula
238 // the index of this material in the Table: << 110 G4double z, //atomic number
239 inline std::size_t GetIndex() const { return << 111 G4double a, //mass of mole
240 << 112 G4double density, //density
241 // the static Table of Materials: << 113 G4State state = kStateUndefined, //solid,liqid,gas
242 static G4MaterialTable* GetMaterialTable(); << 114 G4double temp = STP_Temperature, //temperature
243 << 115 G4double pressure = STP_Pressure); //pressure
244 static std::size_t GetNumberOfMaterials(); << 116
245 << 117 //
246 // return pointer to a material, given its << 118 // Constructor to create a material with chemical formula from a
247 static G4Material* GetMaterial(const G4Strin << 119 // combination of elements and/or materials subsequently added via
248 << 120 // AddElement and/or AddMaterial
249 // return pointer to a simple material, giv << 121 //
250 static G4Material* GetMaterial(G4double z, G << 122 G4Material(const G4String& name, //its name
251 << 123 const G4String& chFormula, //chemical formula
252 // return pointer to a composit material, g << 124 G4double density, //density
253 static G4Material* GetMaterial(std::size_t n << 125 G4int nComponents, //nb of components
254 << 126 G4State state = kStateUndefined, //solid,liquid,gas
255 // printing methods << 127 G4double temp = STP_Temperature, //temperature
256 friend std::ostream& operator<<(std::ostream << 128 G4double pressure = STP_Pressure); //pressure
257 friend std::ostream& operator<<(std::ostream << 129
258 friend std::ostream& operator<<(std::ostream << 130 //
259 << 131 // Add an element, giving number of atoms
260 inline void SetName(const G4String& name) { << 132 //
261 << 133 void AddElement(G4Element* element, //the element
262 virtual G4bool IsExtended() const; << 134 G4int nAtoms); //nb of atoms in a molecule
263 << 135
264 // operators << 136 //
265 G4bool operator==(const G4Material&) const = << 137 // Add an element or material, giving fraction of mass
266 G4bool operator!=(const G4Material&) const = << 138 //
267 << 139 void AddElement (G4Element* element , //the element
268 private: << 140 G4double fraction); //fraction of mass
269 void InitializePointers(); << 141
270 << 142 void AddMaterial(G4Material* material, //the material
271 // Header routine for all derived quantities << 143 G4double fraction); //fraction of mass
272 void ComputeDerivedQuantities(); << 144
273 << 145
274 // Compute Radiation length << 146 ~G4Material();
275 void ComputeRadiationLength(); << 147
276 << 148 //
277 // Compute Nuclear interaction length << 149 // retrieval methods
278 void ComputeNuclearInterLength(); << 150 //
279 << 151 G4String GetName() const {return fName;};
280 // Copy pointers of base material << 152 G4String GetChemicalFormula() const {return fChemicalFormula;};
281 void CopyPointersOfBaseMaterial(); << 153 G4double GetDensity() const {return fDensity;};
282 << 154
283 void FillVectors(); << 155 G4State GetState() const {return fState;};
284 << 156 G4double GetTemperature() const {return fTemp;};
285 G4bool IsLocked(); << 157 G4double GetPressure() const {return fPressure;};
286 << 158
287 const G4Material* fBaseMaterial; // Pointer << 159 const
288 G4MaterialPropertiesTable* fMaterialProperti << 160 G4ElementVector* GetElementVector() const {return theElementVector;};
289 << 161 size_t GetNumberOfElements() const {return fNumberOfElements;};
290 // << 162 const G4double* GetFractionVector() const {return fMassFractionVector;};
291 // General atomic properties defined in cons << 163 const G4int* GetAtomsVector() const {return fAtomsVector;};
292 // computed from the basic data members << 164
293 // << 165 const
294 << 166 G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];};
295 G4ElementVector* theElementVector; // vecto << 167
296 G4int* fAtomsVector; // composition by atom << 168 void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
297 G4double* fMassFractionVector; // compositi << 169 {fMaterialPropertiesTable = anMPT;};
298 G4double* fVecNbOfAtomsPerVolume; // number << 170
299 << 171 G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
300 G4IonisParamMat* fIonisation; // ionisation << 172 {return fMaterialPropertiesTable;};
301 G4SandiaTable* fSandiaTable; // Sandia tabl << 173
302 << 174 static
303 G4double fDensity; // Material density << 175 const G4MaterialTable* GetMaterialTable() {return &theMaterialTable;};
304 G4double fFreeElecDensity; // Free electron << 176
305 G4double fTemp; // Temperature (defaults: S << 177 static
306 G4double fPressure; // Pressure (default << 178 size_t GetNumberOfMaterials() {return theMaterialTable.length();};
307 << 179 size_t GetIndex() const {return fIndexInTable;};
308 G4double fTotNbOfAtomsPerVolume; // Total n << 180
309 G4double fTotNbOfElectPerVolume; // Total n << 181 static G4Material* GetMaterial(G4String name);
310 G4double fRadlen; // Radiation length << 182
311 G4double fNuclInterLen; // Nuclear interact << 183 const
312 G4double fMassOfMolecule; // Correct for ma << 184 G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;};
313 << 185 G4double GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;};
314 G4State fState; // Material state << 186 G4double GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;};
315 std::size_t fIndexInTable; // Index in the << 187
316 G4int fNumberOfElements; // Number of G4Ele << 188 //obsolete names (5-10-98) see the 2 functions above
317 << 189 const
318 // Class members used only at initialisation << 190 G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;};
319 G4int fNbComponents; // Number of component << 191 G4double GetElectronDensity() const {return TotNbOfElectPerVolume;};
320 G4int fIdxComponent; // Index of a new comp << 192
321 G4bool fMassFraction; // Flag of the method << 193 G4double GetRadlen() const {return fRadlen;};
>> 194 G4IonisParamMat* GetIonisation() const {return fIonisation;};
>> 195 G4SandiaTable* GetSandiaTable() const {return fSandiaTable;};
>> 196
>> 197 G4double GetZ() const;
>> 198 G4double GetA() const;
>> 199
>> 200 friend
>> 201 G4std::ostream& operator<<(G4std::ostream&, G4Material*);
>> 202
>> 203 friend
>> 204 G4std::ostream& operator<<(G4std::ostream&, G4Material&);
>> 205
>> 206 friend
>> 207 G4std::ostream& operator<<(G4std::ostream&, G4MaterialTable);
>> 208
>> 209 G4int operator==(const G4Material&) const;
>> 210 G4int operator!=(const G4Material&) const;
>> 211
>> 212 private:
>> 213
>> 214 G4Material(const G4Material&);
>> 215 const G4Material& operator=(const G4Material&);
>> 216
>> 217 void InitializePointers();
>> 218
>> 219 // Header routine for all derived quantities
>> 220 void ComputeDerivedQuantities();
>> 221
>> 222 // Compute Radiation length
>> 223 void ComputeRadiationLength();
>> 224
>> 225 private:
>> 226
>> 227 //
>> 228 // Basic data members ( To define a material)
>> 229 //
>> 230
>> 231 G4String fName; // Material name
>> 232 G4String fChemicalFormula; // Material chemical formula
>> 233 G4double fDensity; // Material density
>> 234
>> 235 G4State fState; // Material state (defaults to undefined,
>> 236 // determined internally based on density)
>> 237 G4double fTemp; // Temperature (defaults to STP)
>> 238 G4double fPressure; // Pressure (defaults to STP)
>> 239
>> 240 G4int maxNbComponents; // total number of components in the material
>> 241 size_t fNumberOfComponents; // Number of components declared so far
>> 242
>> 243 size_t fNumberOfElements; // Number of Elements in the material
>> 244 G4ElementVector* theElementVector; // vector of constituent Elements
>> 245 G4double* fMassFractionVector; // composition by fractional mass
>> 246 G4int* fAtomsVector; // composition by atom count
>> 247
>> 248 G4MaterialPropertiesTable* fMaterialPropertiesTable;
>> 249
>> 250 static
>> 251 G4MaterialTable theMaterialTable; // the material table
>> 252 size_t fIndexInTable; // Index of material in the material table
>> 253
>> 254 //
>> 255 // Derived data members (computed from the basic data members)
>> 256 //
>> 257 // some general atomic properties
>> 258
>> 259 G4double* VecNbOfAtomsPerVolume; // vector of nb of atoms per volume
>> 260 G4double TotNbOfAtomsPerVolume; // total nb of atoms per volume
>> 261 G4double TotNbOfElectPerVolume; // total nb of electrons per volume
>> 262 G4double fRadlen; // Radiation length
>> 263
>> 264 G4IonisParamMat* fIonisation; // ionisation parameters
>> 265 G4SandiaTable* fSandiaTable; // Sandia table
>> 266 };
322 267
323 // For composites built << 268 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
324 std::vector<G4int>* fAtoms = nullptr; <<
325 std::vector<G4double>* fElmFrac = nullptr; <<
326 std::vector<const G4Element*>* fElm = nullpt <<
327 269
328 // For composites built via AddMaterial() << 270 inline
329 std::map<G4Material*, G4double> fMatComponen << 271 G4Material* G4Material::GetMaterial(G4String materialName)
>> 272 {
>> 273 // search the material by its name
>> 274 for (G4int J=0 ; J<theMaterialTable.length() ; J++)
>> 275 {
>> 276 if(theMaterialTable[J]->GetName() == materialName)
>> 277 return theMaterialTable[J];
>> 278 }
>> 279
>> 280 G4cerr << " Warning from GetMaterial(name). The material: " << materialName
>> 281 << " does not exist in the MaterialTable. Return NULL pointer \n";
>> 282 return NULL;
>> 283 }
>> 284
>> 285 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 286
>> 287 inline
>> 288 G4double G4Material::GetZ() const
>> 289 {
>> 290 if (fNumberOfElements > 1) {
>> 291 G4cerr << "WARNING in GetZ. The material: " << fName << " is a mixture." << G4endl;
>> 292 G4Exception ( " the Atomic number is not well defined." );
>> 293 }
>> 294 return (*theElementVector)(0)->GetZ();
>> 295 }
>> 296
>> 297 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 298
>> 299
>> 300 inline
>> 301 G4double G4Material::GetA() const
>> 302 {
>> 303 if (fNumberOfElements > 1) {
>> 304 G4cerr << "WARNING in GetA. The material: " << fName << " is a mixture." << G4endl;
>> 305 G4Exception ( " the Atomic mass is not well defined." );
>> 306 }
>> 307 return (*theElementVector)(0)->GetA();
>> 308 }
330 309
331 G4String fName; // Material name << 310 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
332 G4String fChemicalFormula; // Material chem <<
333 }; <<
334 311
335 #endif 312 #endif
336 313