| Geant4 Cross Reference |
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25 << 25 //
26 //-------------------------------------------- 26 //---------------------------------------------------------------------------
27 // 27 //
28 // ClassName: G4Material 28 // ClassName: G4Material
29 // 29 //
30 // Description: Contains material properties 30 // Description: Contains material properties
31 // 31 //
32 // Class description: 32 // Class description:
33 // 33 //
34 // Is used to define the material composition 34 // Is used to define the material composition of Geant4 volumes.
35 // A G4Material is always made of G4Elements. << 35 // A G4Material is always made of G4Elements. It should has the name,
36 // the list of G4Elements, material density, m << 36 // the list of G4Elements, material density, material state, temperature,
37 // pressure. Other parameters are optional and << 37 // pressure. Other parameters are optional and may be set by the user code
38 // or computed at initialisation. << 38 // or computed at initialisation.
39 // << 39 //
40 // There is several ways to construct G4Materi 40 // There is several ways to construct G4Material:
41 // - from single element; 41 // - from single element;
42 // - from a list of components (elements or 42 // - from a list of components (elements or other materials);
43 // - from internal Geant4 database of materi 43 // - from internal Geant4 database of materials
44 // 44 //
45 // A collection of constituent Elements/Materi << 45 // A collection of constituent Elements/Materials should be defined
46 // with specified weights by fractional mass o 46 // with specified weights by fractional mass or atom counts (only for Elements).
47 // 47 //
48 // Quantities, with physical meaning or not, w << 48 // Quantities, with physical meaning or not, which are constant in a given
49 // material are computed and stored here as De 49 // material are computed and stored here as Derived data members.
50 // 50 //
51 // The class contains as a private static memb 51 // The class contains as a private static member the Table of defined
52 // materials (an ordered vector of materials). 52 // materials (an ordered vector of materials).
53 // 53 //
54 // It is strongly not recommended to delete ma 54 // It is strongly not recommended to delete materials in user code.
55 // All materials will be deleted automatically 55 // All materials will be deleted automatically at the end of Geant4 session.
56 // 56 //
>> 57
>> 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 59
57 // 10-07-96, new data members added by L.Urban 60 // 10-07-96, new data members added by L.Urban
58 // 12-12-96, new data members added by L.Urban 61 // 12-12-96, new data members added by L.Urban
59 // 20-01-97, aesthetic rearrangement. RadLengt 62 // 20-01-97, aesthetic rearrangement. RadLength calculation modified
60 // Data members Zeff and Aeff REMOVE 63 // Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
61 // (local definition of Zeff in Dens 64 // (local definition of Zeff in DensityEffect and FluctModel...)
62 // Vacuum defined as a G4State. Mixt << 65 // Vacuum defined as a G4State. Mixture flag removed, M.Maire
63 // 29-01-97, State=Vacuum automatically set de 66 // 29-01-97, State=Vacuum automatically set density=0 in the contructors.
64 // Subsequent protections have been << 67 // Subsequent protections have been put in the calculation of
65 // MeanExcEnergy, ShellCorrectionVec 68 // MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
66 // 20-03-97, corrected initialization of point 69 // 20-03-97, corrected initialization of pointers, M.Maire
67 // 10-06-97, new data member added by V.Grichi 70 // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
68 // 27-06-97, new function GetElement(int), M.M 71 // 27-06-97, new function GetElement(int), M.Maire
69 // 24-02-98, fFractionVector become fMassFract 72 // 24-02-98, fFractionVector become fMassFractionVector
70 // 28-05-98, kState=kVacuum removed: << 73 // 28-05-98, kState=kVacuum removed:
71 // The vacuum is an ordinary gas vit 74 // The vacuum is an ordinary gas vith very low density, M.Maire
72 // 12-06-98, new method AddMaterial() allowing 75 // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
73 // 09-07-98, Ionisation parameters removed fro 76 // 09-07-98, Ionisation parameters removed from the class, M.Maire
74 // 04-08-98, new method GetMaterial(materialNa 77 // 04-08-98, new method GetMaterial(materialName), M.Maire
75 // 05-10-98, change name: NumDensity -> NbOfAt 78 // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
76 // 18-11-98, SandiaTable interface modified. 79 // 18-11-98, SandiaTable interface modified.
77 // 19-07-99, new data member (chemicalFormula) 80 // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko
78 // 12-03-01, G4bool fImplicitElement (mma) 81 // 12-03-01, G4bool fImplicitElement (mma)
79 // 30-03-01, suppression of the warning messag 82 // 30-03-01, suppression of the warning message in GetMaterial
80 // 17-07-01, migration to STL. M. Verderi. 83 // 17-07-01, migration to STL. M. Verderi.
81 // 14-09-01, Suppression of the data member fI 84 // 14-09-01, Suppression of the data member fIndexInTable
82 // 31-10-01, new function SetChemicalFormula() 85 // 31-10-01, new function SetChemicalFormula() (mma)
83 // 26-02-02, fIndexInTable renewed 86 // 26-02-02, fIndexInTable renewed
84 // 06-08-02, remove constructors with Chemical 87 // 06-08-02, remove constructors with ChemicalFormula (mma)
85 // 15-11-05, GetMaterial(materialName, G4bool 88 // 15-11-05, GetMaterial(materialName, G4bool warning=true)
86 // 13-04-12, std::map<G4Material*,G4double> fM 89 // 13-04-12, std::map<G4Material*,G4double> fMatComponents (mma)
87 // 21-04-12, fMassOfMolecule (mma) 90 // 21-04-12, fMassOfMolecule (mma)
88 91
>> 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 93
89 #ifndef G4MATERIAL_HH 94 #ifndef G4MATERIAL_HH
90 #define G4MATERIAL_HH 1 95 #define G4MATERIAL_HH 1
91 96
>> 97 #include <vector>
>> 98 #include <map>
>> 99 #include <CLHEP/Units/PhysicalConstants.h>
>> 100
>> 101 #include "globals.hh"
>> 102 #include "G4ios.hh"
92 #include "G4Element.hh" 103 #include "G4Element.hh"
93 #include "G4ElementVector.hh" <<
94 #include "G4IonisParamMat.hh" <<
95 #include "G4MaterialPropertiesTable.hh" 104 #include "G4MaterialPropertiesTable.hh"
96 #include "G4MaterialTable.hh" << 105 #include "G4IonisParamMat.hh"
97 #include "G4SandiaTable.hh" 106 #include "G4SandiaTable.hh"
98 #include "G4ios.hh" << 107 #include "G4ElementVector.hh"
99 #include "globals.hh" << 108 #include "G4MaterialTable.hh"
>> 109 #include "G4Threading.hh"
100 110
101 #include <CLHEP/Units/PhysicalConstants.h> << 111 enum G4State { kStateUndefined = 0, kStateSolid, kStateLiquid, kStateGas };
102 112
103 #include <map> << 113 static const G4double NTP_Temperature = 293.15*CLHEP::kelvin;
104 #include <vector> <<
105 <<
106 enum G4State <<
107 { <<
108 kStateUndefined = 0, <<
109 kStateSolid, <<
110 kStateLiquid, <<
111 kStateGas <<
112 }; <<
113 114
114 static const G4double NTP_Temperature = 293.15 << 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115 116
116 class G4Material 117 class G4Material
117 { 118 {
118 public: // with description << 119 public: // with description
>> 120 //
119 // Constructor to create a material from sin 121 // Constructor to create a material from single element
120 G4Material(const G4String& name, // its nam << 122 //
121 G4double z, // atomic number << 123 G4Material(const G4String& name, //its name
122 G4double a, // mass of mole << 124 G4double z, //atomic number
123 G4double density, // density << 125 G4double a, //mass of mole
124 G4State state = kStateUndefined, // solid << 126 G4double density, //density
125 G4double temp = NTP_Temperature, // tempe << 127 G4State state = kStateUndefined, //solid,gas
126 G4double pressure = CLHEP::STP_Pressure); << 128 G4double temp = NTP_Temperature, //temperature
>> 129 G4double pressure = CLHEP::STP_Pressure); //pressure
127 130
>> 131 //
128 // Constructor to create a material from a c 132 // Constructor to create a material from a combination of elements
129 // and/or materials subsequently added via A 133 // and/or materials subsequently added via AddElement and/or AddMaterial
130 G4Material(const G4String& name, // its nam << 134 //
131 G4double density, // density << 135 G4Material(const G4String& name, //its name
132 G4int nComponents, // nbOfComponents << 136 G4double density, //density
133 G4State state = kStateUndefined, // solid << 137 G4int nComponents, //nbOfComponents
134 G4double temp = NTP_Temperature, // tempe << 138 G4State state = kStateUndefined, //solid,gas
135 G4double pressure = CLHEP::STP_Pressure); << 139 G4double temp = NTP_Temperature, //temperature
>> 140 G4double pressure = CLHEP::STP_Pressure); //pressure
136 141
>> 142 //
137 // Constructor to create a material from the 143 // Constructor to create a material from the base material
138 G4Material(const G4String& name, // its nam << 144 //
139 G4double density, // density << 145 G4Material(const G4String& name, //its name
140 const G4Material* baseMaterial, // base m << 146 G4double density, //density
141 G4State state = kStateUndefined, // solid << 147 const G4Material* baseMaterial, //base material
142 G4double temp = NTP_Temperature, // tempe << 148 G4State state = kStateUndefined, //solid,gas
143 G4double pressure = CLHEP::STP_Pressure); << 149 G4double temp = NTP_Temperature, //temperature
144 << 150 G4double pressure = CLHEP::STP_Pressure); //pressure
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 <<
157 151
>> 152 //
158 // Add an element, giving number of atoms 153 // Add an element, giving number of atoms
159 void AddElementByNumberOfAtoms(const G4Eleme << 154 //
160 inline void AddElement(G4Element* elm, G4int << 155 void AddElement(G4Element* element, //the element
161 << 156 G4int nAtoms); //nb of atoms in
>> 157 // a molecule
>> 158 //
162 // Add an element or material, giving fracti 159 // Add an element or material, giving fraction of mass
163 void AddElementByMassFraction(const G4Elemen <<
164 inline void AddElement(G4Element* elm, G4dou <<
165 <<
166 void AddMaterial(G4Material* material, G4dou <<
167 <<
168 // 160 //
169 // retrieval methods << 161 void AddElement (G4Element* element , //the element
>> 162 G4double fraction); //fractionOfMass
>> 163
>> 164 void AddMaterial(G4Material* material, //the material
>> 165 G4double fraction); //fractionOfMass
>> 166
>> 167 virtual ~G4Material();
170 // 168 //
171 inline const G4String& GetName() const { ret << 169 // retrieval methods
172 inline const G4String& GetChemicalFormula() << 170 //
173 inline G4double GetFreeElectronDensity() con << 171 inline const G4String& GetName() const {return fName;}
174 inline G4double GetDensity() const { return << 172 inline const G4String& GetChemicalFormula() const {return fChemicalFormula;}
175 inline G4State GetState() const { return fSt << 173 inline G4double GetFreeElectronDensity() const {return fFreeElecDensity;}
176 inline G4double GetTemperature() const { ret << 174 inline G4double GetDensity() const {return fDensity;}
177 inline G4double GetPressure() const { return << 175 inline G4State GetState() const {return fState;}
178 << 176 inline G4double GetTemperature() const {return fTemp;}
179 // number of elements constituing this mater << 177 inline G4double GetPressure() const {return fPressure;}
180 inline std::size_t GetNumberOfElements() con << 178
181 << 179 //number of elements constituing this material:
182 // vector of pointers to elements constituin << 180 inline size_t GetNumberOfElements() const {return fNumberOfElements;}
183 inline const G4ElementVector* GetElementVect << 181
184 << 182 //vector of pointers to elements constituing this material:
185 // vector of fractional mass of each element << 183 inline const
186 inline const G4double* GetFractionVector() c << 184 G4ElementVector* GetElementVector() const {return theElementVector;}
187 << 185
188 // vector of atom count of each element: << 186 //vector of fractional mass of each element:
189 inline const G4int* GetAtomsVector() const { << 187 inline const
190 << 188 G4double* GetFractionVector() const {return fMassFractionVector;}
191 // return a pointer to an element, given its << 189
192 inline const G4Element* GetElement(G4int iel << 190 //vector of atom count of each element:
193 << 191 inline const
194 // vector of nb of atoms per volume of each << 192 G4int* GetAtomsVector() const {return fAtomsVector;}
195 inline const G4double* GetVecNbOfAtomsPerVol << 193
196 // total number of atoms per volume: << 194 //return a pointer to an element, given its index in the material:
197 inline G4double GetTotNbOfAtomsPerVolume() c << 195 inline const
198 // total number of electrons per volume: << 196 G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];}
199 inline G4double GetTotNbOfElectPerVolume() c << 197
200 << 198 //vector of nb of atoms per volume of each element in this material:
201 // obsolete names (5-10-98) see the 2 functi << 199 inline const
202 inline const G4double* GetAtomicNumDensityVe << 200 G4double* GetVecNbOfAtomsPerVolume() const {return fVecNbOfAtomsPerVolume;}
203 inline G4double GetElectronDensity() const { << 201 //total number of atoms per volume:
204 << 202 inline
205 // Radiation length: << 203 G4double GetTotNbOfAtomsPerVolume() const {return fTotNbOfAtomsPerVolume;}
206 inline G4double GetRadlen() const { return f << 204 //total number of electrons per volume:
207 << 205 inline
208 // Nuclear interaction length << 206 G4double GetTotNbOfElectPerVolume() const {return fTotNbOfElectPerVolume;}
209 inline G4double GetNuclearInterLength() cons << 207
210 << 208 //obsolete names (5-10-98) see the 2 functions above
>> 209 inline const
>> 210 G4double* GetAtomicNumDensityVector() const {return fVecNbOfAtomsPerVolume;}
>> 211 inline G4double GetElectronDensity() const {return fTotNbOfElectPerVolume;}
>> 212
>> 213 // Radiation length:
>> 214 inline G4double GetRadlen() const {return fRadlen;}
>> 215
>> 216 // Nuclear interaction length
>> 217 inline G4double GetNuclearInterLength() const {return fNuclInterLen;}
>> 218
211 // ionisation parameters: 219 // ionisation parameters:
212 inline G4IonisParamMat* GetIonisation() cons << 220 inline G4IonisParamMat* GetIonisation() const {return fIonisation;}
213 221
214 // Sandia table: 222 // Sandia table:
215 inline G4SandiaTable* GetSandiaTable() const << 223 inline G4SandiaTable* GetSandiaTable() const {return fSandiaTable; }
216 << 224
217 // Base material: 225 // Base material:
218 inline const G4Material* GetBaseMaterial() c << 226 inline
219 << 227 const G4Material* GetBaseMaterial() const {return fBaseMaterial;}
>> 228
220 // material components: 229 // material components:
221 inline const std::map<G4Material*, G4double> << 230 inline
222 << 231 const std::map<G4Material*,G4double>& GetMatComponents() const
>> 232 {return fMatComponents;}
>> 233
223 // for chemical compound 234 // for chemical compound
224 inline G4double GetMassOfMolecule() const { << 235 inline G4double GetMassOfMolecule() const {return fMassOfMolecule;}
>> 236
>> 237 void SetChemicalFormula(const G4String& chF);
>> 238
>> 239 void SetFreeElectronDensity(G4double);
225 240
>> 241 void ComputeDensityEffectOnFly(G4bool);
>> 242
226 // meaningful only for single material: 243 // meaningful only for single material:
227 G4double GetZ() const; 244 G4double GetZ() const;
228 G4double GetA() const; 245 G4double GetA() const;
229 246
230 // the MaterialPropertiesTable (if any) atta << 247 //the MaterialPropertiesTable (if any) attached to this material:
231 void SetMaterialPropertiesTable(G4MaterialPr 248 void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT);
232 << 249
233 inline G4MaterialPropertiesTable* GetMateria 250 inline G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
234 { << 251 {return fMaterialPropertiesTable;}
235 return fMaterialPropertiesTable; <<
236 } <<
237 252
238 // the index of this material in the Table: << 253 //the index of this material in the Table:
239 inline std::size_t GetIndex() const { return << 254 inline size_t GetIndex() const {return fIndexInTable;}
240 255
241 // the static Table of Materials: 256 // the static Table of Materials:
>> 257 //
242 static G4MaterialTable* GetMaterialTable(); 258 static G4MaterialTable* GetMaterialTable();
>> 259
>> 260 static size_t GetNumberOfMaterials();
>> 261
>> 262 //return pointer to a material, given its name:
>> 263 static G4Material* GetMaterial(const G4String& name, G4bool warning=true);
243 264
244 static std::size_t GetNumberOfMaterials(); << 265 //return pointer to a simple material, given its propeties:
245 <<
246 // return pointer to a material, given its <<
247 static G4Material* GetMaterial(const G4Strin <<
248 <<
249 // return pointer to a simple material, giv <<
250 static G4Material* GetMaterial(G4double z, G 266 static G4Material* GetMaterial(G4double z, G4double a, G4double dens);
251 267
252 // return pointer to a composit material, g << 268 //return pointer to a composit material, given its propeties:
253 static G4Material* GetMaterial(std::size_t n << 269 static G4Material* GetMaterial(size_t nComp, G4double dens);
254 << 270
255 // printing methods << 271 //
256 friend std::ostream& operator<<(std::ostream << 272 //printing methods
257 friend std::ostream& operator<<(std::ostream << 273 //
258 friend std::ostream& operator<<(std::ostream << 274 friend std::ostream& operator<<(std::ostream&, const G4Material*);
>> 275 friend std::ostream& operator<<(std::ostream&, const G4Material&);
>> 276 friend std::ostream& operator<<(std::ostream&, G4MaterialTable);
>> 277
>> 278 G4Material(__void__&);
>> 279 // Fake default constructor for usage restricted to direct object
>> 280 // persistency for clients requiring preallocation of memory for
>> 281 // persistifiable objects.
259 282
260 inline void SetName(const G4String& name) { << 283 inline void SetName (const G4String& name) {fName=name;}
261 284
262 virtual G4bool IsExtended() const; 285 virtual G4bool IsExtended() const;
263 286
264 // operators << 287 private:
265 G4bool operator==(const G4Material&) const = <<
266 G4bool operator!=(const G4Material&) const = <<
267 288
268 private: << 289 // operators
269 void InitializePointers(); << 290 G4bool operator==(const G4Material&) const;
>> 291 G4bool operator!=(const G4Material&) const;
>> 292 G4Material(const G4Material&);
>> 293 const G4Material& operator=(const G4Material&);
270 294
>> 295 void InitializePointers();
>> 296
271 // Header routine for all derived quantities 297 // Header routine for all derived quantities
272 void ComputeDerivedQuantities(); 298 void ComputeDerivedQuantities();
273 299
274 // Compute Radiation length 300 // Compute Radiation length
275 void ComputeRadiationLength(); 301 void ComputeRadiationLength();
276 << 302
277 // Compute Nuclear interaction length 303 // Compute Nuclear interaction length
278 void ComputeNuclearInterLength(); 304 void ComputeNuclearInterLength();
279 305
280 // Copy pointers of base material 306 // Copy pointers of base material
281 void CopyPointersOfBaseMaterial(); 307 void CopyPointersOfBaseMaterial();
>> 308
>> 309 private:
282 310
283 void FillVectors(); << 311 const G4Material* fBaseMaterial; // Pointer to the base material
284 <<
285 G4bool IsLocked(); <<
286 <<
287 const G4Material* fBaseMaterial; // Pointer <<
288 G4MaterialPropertiesTable* fMaterialProperti 312 G4MaterialPropertiesTable* fMaterialPropertiesTable;
>> 313
>> 314 G4ElementVector* theElementVector; // vector of constituent Elements
>> 315 G4double* fMassFractionVector; // composition by fractional mass
>> 316 G4int* fAtomsVector; // composition by atom count
>> 317
>> 318 static
>> 319 G4MaterialTable theMaterialTable; // the material table
289 320
290 // 321 //
291 // General atomic properties defined in cons << 322 // Derived data members (computed from the basic data members)
292 // computed from the basic data members <<
293 // 323 //
294 << 324 // some general atomic properties
295 G4ElementVector* theElementVector; // vecto << 325
296 G4int* fAtomsVector; // composition by atom << 326 G4double* fVecNbOfAtomsPerVolume; // vector of nb of atoms per volume
297 G4double* fMassFractionVector; // compositi << 327
298 G4double* fVecNbOfAtomsPerVolume; // number << 328 G4IonisParamMat* fIonisation; // ionisation parameters
299 << 329 G4SandiaTable* fSandiaTable; // Sandia table
300 G4IonisParamMat* fIonisation; // ionisation << 330
301 G4SandiaTable* fSandiaTable; // Sandia tabl << 331 G4double fDensity; // Material density
302 << 332 G4double fFreeElecDensity; // Free electron density
303 G4double fDensity; // Material density << 333 G4double fTemp; // Temperature (defaults: STP)
304 G4double fFreeElecDensity; // Free electron << 334 G4double fPressure; // Pressure (defaults: STP)
305 G4double fTemp; // Temperature (defaults: S << 335
306 G4double fPressure; // Pressure (default << 336 G4double fTotNbOfAtomsPerVolume; // total nb of atoms per volume
307 << 337 G4double fTotNbOfElectPerVolume; // total nb of electrons per volume
308 G4double fTotNbOfAtomsPerVolume; // Total n << 338 G4double fRadlen; // Radiation length
309 G4double fTotNbOfElectPerVolume; // Total n << 339 G4double fNuclInterLen; // Nuclear interaction length
310 G4double fRadlen; // Radiation length << 340 G4double fMassOfMolecule; // for materials built by atoms count
311 G4double fNuclInterLen; // Nuclear interact << 341
312 G4double fMassOfMolecule; // Correct for ma << 342 G4State fState; // Material state (determined
313 << 343 // internally based on density)
314 G4State fState; // Material state << 344 size_t fIndexInTable; // the position in the material table
315 std::size_t fIndexInTable; // Index in the << 345
316 G4int fNumberOfElements; // Number of G4Ele << 346 G4int maxNbComponents; // totalNbOfComponentsInTheMaterial
317 << 347 G4int fArrayLength; // the length of fAtomsVector
318 // Class members used only at initialisation << 348 G4int fNumberOfComponents; // Nb of components declared so far
319 G4int fNbComponents; // Number of component << 349
320 G4int fIdxComponent; // Index of a new comp << 350 G4int fNumberOfElements; // Nb of Elements in the material
321 G4bool fMassFraction; // Flag of the method << 351
322 << 352 std::map<G4Material*,G4double> fMatComponents; // for composites built via
323 // For composites built << 353 // AddMaterial()
324 std::vector<G4int>* fAtoms = nullptr; << 354
325 std::vector<G4double>* fElmFrac = nullptr; << 355 G4String fName; // Material name
326 std::vector<const G4Element*>* fElm = nullpt << 356 G4String fChemicalFormula; // Material chemical formula
327 << 357
328 // For composites built via AddMaterial() << 358 #ifdef G4MULTITHREADED
329 std::map<G4Material*, G4double> fMatComponen << 359 static G4Mutex materialMutex;
330 << 360 #endif
331 G4String fName; // Material name <<
332 G4String fChemicalFormula; // Material chem <<
333 }; 361 };
>> 362
>> 363 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
334 364
335 #endif 365 #endif
336 366