| Geant4 Cross Reference |
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25 <<
26 //-------------------------------------------- <<
27 // <<
28 // ClassName: G4Material <<
29 // 22 //
30 // Description: Contains material properties <<
31 // 23 //
32 // Class description: << 24 // $Id: G4Material.hh,v 1.24 2005/11/15 15:24:37 maire Exp $
>> 25 // GEANT4 tag $Name: geant4-08-00 $
33 // 26 //
34 // Is used to define the material composition << 27
35 // A G4Material is always made of G4Elements. << 28 // class description
36 // the list of G4Elements, material density, m <<
37 // pressure. Other parameters are optional and <<
38 // or computed at initialisation. <<
39 // 29 //
40 // There is several ways to construct G4Materi << 30 // Materials defined via the G4Material class are used to define the
41 // - from single element; << 31 // composition of Geant volumes.
42 // - from a list of components (elements or << 32 // a Material is always made of Elements. It can be defined directly
43 // - from internal Geant4 database of materi << 33 // from scratch (defined by an implicit, single element), specifying :
>> 34 // its name,
>> 35 // density,
>> 36 // state informations,
>> 37 // and Z,A of the underlying Element.
44 // 38 //
45 // A collection of constituent Elements/Materi << 39 // or in terms of a collection of constituent Elements with specified weights
46 // with specified weights by fractional mass o << 40 // (composition specified either by fractional mass or atom counts).
47 // 41 //
48 // Quantities, with physical meaning or not, w << 42 // Quantities, with physical meaning or not, which are constant in a given
49 // material are computed and stored here as De 43 // material are computed and stored here as Derived data members.
50 // 44 //
51 // The class contains as a private static memb 45 // The class contains as a private static member the Table of defined
52 // materials (an ordered vector of materials). 46 // materials (an ordered vector of materials).
53 // 47 //
54 // It is strongly not recommended to delete ma << 48
55 // All materials will be deleted automatically << 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 // << 50
57 // 10-07-96, new data members added by L.Urban 51 // 10-07-96, new data members added by L.Urban
58 // 12-12-96, new data members added by L.Urban 52 // 12-12-96, new data members added by L.Urban
59 // 20-01-97, aesthetic rearrangement. RadLengt 53 // 20-01-97, aesthetic rearrangement. RadLength calculation modified
60 // Data members Zeff and Aeff REMOVE 54 // Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
61 // (local definition of Zeff in Dens 55 // (local definition of Zeff in DensityEffect and FluctModel...)
62 // Vacuum defined as a G4State. Mixt << 56 // Vacuum defined as a G4State. Mixture flag removed, M.Maire
63 // 29-01-97, State=Vacuum automatically set de 57 // 29-01-97, State=Vacuum automatically set density=0 in the contructors.
64 // Subsequent protections have been << 58 // Subsequent protections have been put in the calculation of
65 // MeanExcEnergy, ShellCorrectionVec 59 // MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
66 // 20-03-97, corrected initialization of point 60 // 20-03-97, corrected initialization of pointers, M.Maire
67 // 10-06-97, new data member added by V.Grichi 61 // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
68 // 27-06-97, new function GetElement(int), M.M 62 // 27-06-97, new function GetElement(int), M.Maire
69 // 24-02-98, fFractionVector become fMassFract 63 // 24-02-98, fFractionVector become fMassFractionVector
70 // 28-05-98, kState=kVacuum removed: << 64 // 28-05-98, kState=kVacuum removed:
71 // The vacuum is an ordinary gas vit 65 // The vacuum is an ordinary gas vith very low density, M.Maire
72 // 12-06-98, new method AddMaterial() allowing 66 // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
73 // 09-07-98, Ionisation parameters removed fro 67 // 09-07-98, Ionisation parameters removed from the class, M.Maire
74 // 04-08-98, new method GetMaterial(materialNa 68 // 04-08-98, new method GetMaterial(materialName), M.Maire
75 // 05-10-98, change name: NumDensity -> NbOfAt 69 // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
76 // 18-11-98, SandiaTable interface modified. 70 // 18-11-98, SandiaTable interface modified.
77 // 19-07-99, new data member (chemicalFormula) 71 // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko
78 // 12-03-01, G4bool fImplicitElement (mma) 72 // 12-03-01, G4bool fImplicitElement (mma)
79 // 30-03-01, suppression of the warning messag 73 // 30-03-01, suppression of the warning message in GetMaterial
80 // 17-07-01, migration to STL. M. Verderi. 74 // 17-07-01, migration to STL. M. Verderi.
81 // 14-09-01, Suppression of the data member fI 75 // 14-09-01, Suppression of the data member fIndexInTable
82 // 31-10-01, new function SetChemicalFormula() 76 // 31-10-01, new function SetChemicalFormula() (mma)
83 // 26-02-02, fIndexInTable renewed 77 // 26-02-02, fIndexInTable renewed
84 // 06-08-02, remove constructors with Chemical 78 // 06-08-02, remove constructors with ChemicalFormula (mma)
85 // 15-11-05, GetMaterial(materialName, G4bool 79 // 15-11-05, GetMaterial(materialName, G4bool warning=true)
86 // 13-04-12, std::map<G4Material*,G4double> fM << 80
87 // 21-04-12, fMassOfMolecule (mma) << 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
88 82
89 #ifndef G4MATERIAL_HH 83 #ifndef G4MATERIAL_HH
90 #define G4MATERIAL_HH 1 << 84 #define G4MATERIAL_HH
91 85
>> 86 #include "globals.hh"
>> 87 #include "G4ios.hh"
>> 88 #include <vector>
92 #include "G4Element.hh" 89 #include "G4Element.hh"
93 #include "G4ElementVector.hh" <<
94 #include "G4IonisParamMat.hh" <<
95 #include "G4MaterialPropertiesTable.hh" 90 #include "G4MaterialPropertiesTable.hh"
96 #include "G4MaterialTable.hh" << 91 #include "G4IonisParamMat.hh"
97 #include "G4SandiaTable.hh" 92 #include "G4SandiaTable.hh"
98 #include "G4ios.hh" << 93 #include "G4ElementVector.hh"
99 #include "globals.hh" << 94 #include "G4MaterialTable.hh"
100 <<
101 #include <CLHEP/Units/PhysicalConstants.h> <<
102 <<
103 #include <map> <<
104 #include <vector> <<
105 95
106 enum G4State << 96 enum G4State { kStateUndefined, kStateSolid, kStateLiquid, kStateGas };
107 { <<
108 kStateUndefined = 0, <<
109 kStateSolid, <<
110 kStateLiquid, <<
111 kStateGas <<
112 }; <<
113 97
114 static const G4double NTP_Temperature = 293.15 << 98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115 99
116 class G4Material 100 class G4Material
117 { 101 {
118 public: // with description << 102 public: // with description
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); <<
127 103
>> 104 //
>> 105 // Constructor to create a material from scratch.
>> 106 //
>> 107 G4Material(const G4String& name, //its name
>> 108 G4double z, //atomic number
>> 109 G4double a, //mass of mole
>> 110 G4double density, //density
>> 111 G4State state = kStateUndefined, //solid,gas
>> 112 G4double temp = STP_Temperature, //temperature
>> 113 G4double pressure = STP_Pressure); //pressure
>> 114
>> 115 //
128 // Constructor to create a material from a c 116 // Constructor to create a material from a combination of elements
129 // and/or materials subsequently added via A 117 // and/or materials subsequently added via AddElement and/or AddMaterial
130 G4Material(const G4String& name, // its nam << 118 //
131 G4double density, // density << 119 G4Material(const G4String& name, //its name
132 G4int nComponents, // nbOfComponents << 120 G4double density, //density
133 G4State state = kStateUndefined, // solid << 121 G4int nComponents, //nbOfComponents
134 G4double temp = NTP_Temperature, // tempe << 122 G4State state = kStateUndefined, //solid,gas
135 G4double pressure = CLHEP::STP_Pressure); << 123 G4double temp = STP_Temperature, //temperature
136 << 124 G4double pressure = STP_Pressure); //pressure
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 <<
157 125
>> 126 //
158 // Add an element, giving number of atoms 127 // Add an element, giving number of atoms
159 void AddElementByNumberOfAtoms(const G4Eleme << 128 //
160 inline void AddElement(G4Element* elm, G4int << 129 void AddElement(G4Element* element, //the element
161 << 130 G4int nAtoms); //nb of atoms in
>> 131 // a molecule
>> 132 //
162 // Add an element or material, giving fracti 133 // 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 // 134 //
169 // retrieval methods << 135 void AddElement (G4Element* element , //the element
>> 136 G4double fraction); //fractionOfMass
>> 137
>> 138 void AddMaterial(G4Material* material, //the material
>> 139 G4double fraction); //fractionOfMass
>> 140
>> 141
>> 142 virtual ~G4Material();
>> 143
>> 144 void SetChemicalFormula(const G4String& chF) {fChemicalFormula=chF;};
>> 145
170 // 146 //
171 inline const G4String& GetName() const { ret << 147 // retrieval methods
172 inline const G4String& GetChemicalFormula() << 148 //
173 inline G4double GetFreeElectronDensity() con << 149 G4String GetName() const {return fName;};
174 inline G4double GetDensity() const { return << 150 G4String GetChemicalFormula() const {return fChemicalFormula;};
175 inline G4State GetState() const { return fSt << 151 G4double GetDensity() const {return fDensity;};
176 inline G4double GetTemperature() const { ret << 152
177 inline G4double GetPressure() const { return << 153 G4State GetState() const {return fState;};
178 << 154 G4double GetTemperature() const {return fTemp;};
179 // number of elements constituing this mater << 155 G4double GetPressure() const {return fPressure;};
180 inline std::size_t GetNumberOfElements() con << 156
181 << 157 //number of elements constituing this material:
182 // vector of pointers to elements constituin << 158 size_t GetNumberOfElements() const {return fNumberOfElements;};
183 inline const G4ElementVector* GetElementVect << 159
184 << 160 //vector of pointers to elements constituing this material:
185 // vector of fractional mass of each element << 161 const
186 inline const G4double* GetFractionVector() c << 162 G4ElementVector* GetElementVector() const {return theElementVector;};
187 << 163
188 // vector of atom count of each element: << 164 //vector of fractional mass of each element:
189 inline const G4int* GetAtomsVector() const { << 165 const G4double* GetFractionVector() const {return fMassFractionVector;};
190 << 166
191 // return a pointer to an element, given its << 167 //vector of atom count of each element:
192 inline const G4Element* GetElement(G4int iel << 168 const G4int* GetAtomsVector() const {return fAtomsVector;};
193 << 169
194 // vector of nb of atoms per volume of each << 170 //return a pointer to an element, given its index in the material:
195 inline const G4double* GetVecNbOfAtomsPerVol << 171 const
196 // total number of atoms per volume: << 172 G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];};
197 inline G4double GetTotNbOfAtomsPerVolume() c << 173
198 // total number of electrons per volume: << 174 //vector of nb of atoms per volume of each element in this material:
199 inline G4double GetTotNbOfElectPerVolume() c << 175 const
200 << 176 G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;};
201 // obsolete names (5-10-98) see the 2 functi << 177 //total number of atoms per volume:
202 inline const G4double* GetAtomicNumDensityVe << 178 G4double GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;};
203 inline G4double GetElectronDensity() const { << 179 //total number of electrons per volume:
204 << 180 G4double GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;};
205 // Radiation length: << 181
206 inline G4double GetRadlen() const { return f << 182 //obsolete names (5-10-98) see the 2 functions above
207 << 183 const
208 // Nuclear interaction length << 184 G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;};
209 inline G4double GetNuclearInterLength() cons << 185 G4double GetElectronDensity() const {return TotNbOfElectPerVolume;};
210 << 186
>> 187 // Radiation length:
>> 188 G4double GetRadlen() const {return fRadlen;};
>> 189
>> 190 // Nuclear interaction length:
>> 191 G4double GetNuclearInterLength() const {return fNuclInterLen;};
>> 192
211 // ionisation parameters: 193 // ionisation parameters:
212 inline G4IonisParamMat* GetIonisation() cons << 194 G4IonisParamMat* GetIonisation() const {return fIonisation;};
213 << 195
214 // Sandia table: 196 // Sandia table:
215 inline G4SandiaTable* GetSandiaTable() const << 197 G4SandiaTable* GetSandiaTable() const {return fSandiaTable;};
216 << 198
217 // Base material: << 199 //meaningful only for single material:
218 inline const G4Material* GetBaseMaterial() c <<
219 <<
220 // material components: <<
221 inline const std::map<G4Material*, G4double> <<
222 <<
223 // for chemical compound <<
224 inline G4double GetMassOfMolecule() const { <<
225 <<
226 // meaningful only for single material: <<
227 G4double GetZ() const; 200 G4double GetZ() const;
228 G4double GetA() const; 201 G4double GetA() const;
>> 202
>> 203 //the MaterialPropertiesTable (if any) attached to this material:
>> 204 void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
>> 205 {fMaterialPropertiesTable = anMPT;};
>> 206
>> 207 G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
>> 208 {return fMaterialPropertiesTable;};
229 209
230 // the MaterialPropertiesTable (if any) atta << 210 //the (static) Table of Materials:
231 void SetMaterialPropertiesTable(G4MaterialPr << 211 //
232 << 212 static
233 inline G4MaterialPropertiesTable* GetMateria << 213 const G4MaterialTable* GetMaterialTable();
234 { << 214
235 return fMaterialPropertiesTable; << 215 static
236 } << 216 size_t GetNumberOfMaterials();
237 << 217
238 // the index of this material in the Table: << 218 //the index of this material in the Table:
239 inline std::size_t GetIndex() const { return << 219 size_t GetIndex() const {return fIndexInTable;};
240 << 220
241 // the static Table of Materials: << 221 //return pointer to a material, given its name:
242 static G4MaterialTable* GetMaterialTable(); << 222 static G4Material* GetMaterial(G4String name, G4bool warning=true);
243 << 223
244 static std::size_t GetNumberOfMaterials(); << 224 //
245 << 225 //printing methods
246 // return pointer to a material, given its << 226 //
247 static G4Material* GetMaterial(const G4Strin << 227 friend std::ostream& operator<<(std::ostream&, G4Material*);
248 << 228 friend std::ostream& operator<<(std::ostream&, G4Material&);
249 // return pointer to a simple material, giv << 229 friend std::ostream& operator<<(std::ostream&, G4MaterialTable);
250 static G4Material* GetMaterial(G4double z, G << 230
251 << 231 public: // without description
252 // return pointer to a composit material, g << 232
253 static G4Material* GetMaterial(std::size_t n << 233 G4int operator==(const G4Material&) const;
254 << 234 G4int operator!=(const G4Material&) const;
255 // printing methods << 235 G4Material(__void__&);
256 friend std::ostream& operator<<(std::ostream << 236 // Fake default constructor for usage restricted to direct object
257 friend std::ostream& operator<<(std::ostream << 237 // persistency for clients requiring preallocation of memory for
258 friend std::ostream& operator<<(std::ostream << 238 // persistifiable objects.
259 <<
260 inline void SetName(const G4String& name) { <<
261 239
262 virtual G4bool IsExtended() const; << 240 private:
263 241
264 // operators << 242 G4Material(const G4Material&);
265 G4bool operator==(const G4Material&) const = << 243 const G4Material& operator=(const G4Material&);
266 G4bool operator!=(const G4Material&) const = <<
267 244
268 private: <<
269 void InitializePointers(); 245 void InitializePointers();
270 << 246
271 // Header routine for all derived quantities 247 // Header routine for all derived quantities
272 void ComputeDerivedQuantities(); 248 void ComputeDerivedQuantities();
273 249
274 // Compute Radiation length 250 // Compute Radiation length
275 void ComputeRadiationLength(); 251 void ComputeRadiationLength();
276 << 252
277 // Compute Nuclear interaction length 253 // Compute Nuclear interaction length
278 void ComputeNuclearInterLength(); 254 void ComputeNuclearInterLength();
>> 255
>> 256 private:
279 257
280 // Copy pointers of base material << 258 //
281 void CopyPointersOfBaseMaterial(); << 259 // Basic data members ( To define a material)
282 << 260 //
283 void FillVectors(); <<
284 261
285 G4bool IsLocked(); << 262 G4String fName; // Material name
>> 263 G4String fChemicalFormula; // Material chemical formula
>> 264 G4double fDensity; // Material density
>> 265
>> 266 G4State fState; // Material state (determined
>> 267 // internally based on density)
>> 268 G4double fTemp; // Temperature (defaults: STP)
>> 269 G4double fPressure; // Pressure (defaults: STP)
>> 270
>> 271 G4int maxNbComponents; // totalNbOfComponentsInTheMaterial
>> 272 size_t fNumberOfComponents; // Nb of components declared so far
>> 273
>> 274 size_t fNumberOfElements; // Nb of Elements in the material
>> 275 G4ElementVector* theElementVector; // vector of constituent Elements
>> 276 G4bool fImplicitElement; // implicit Element created by this?
>> 277 G4double* fMassFractionVector; // composition by fractional mass
>> 278 G4int* fAtomsVector; // composition by atom count
286 279
287 const G4Material* fBaseMaterial; // Pointer <<
288 G4MaterialPropertiesTable* fMaterialProperti 280 G4MaterialPropertiesTable* fMaterialPropertiesTable;
289 281
>> 282 static
>> 283 G4MaterialTable theMaterialTable; // the material table
>> 284 size_t fIndexInTable; // the position in the table
>> 285
290 // 286 //
291 // General atomic properties defined in cons << 287 // Derived data members (computed from the basic data members)
292 // computed from the basic data members <<
293 // 288 //
>> 289 // some general atomic properties
>> 290
>> 291 G4double* VecNbOfAtomsPerVolume; // vector of nb of atoms per volume
>> 292 G4double TotNbOfAtomsPerVolume; // total nb of atoms per volume
>> 293 G4double TotNbOfElectPerVolume; // total nb of electrons per volume
>> 294 G4double fRadlen; // Radiation length
>> 295 G4double fNuclInterLen; // Nuclear interaction length
>> 296
>> 297 G4IonisParamMat* fIonisation; // ionisation parameters
>> 298 G4SandiaTable* fSandiaTable; // Sandia table
>> 299 };
294 300
295 G4ElementVector* theElementVector; // vecto << 301 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
296 G4int* fAtomsVector; // composition by atom <<
297 G4double* fMassFractionVector; // compositi <<
298 G4double* fVecNbOfAtomsPerVolume; // number <<
299 <<
300 G4IonisParamMat* fIonisation; // ionisation <<
301 G4SandiaTable* fSandiaTable; // Sandia tabl <<
302 <<
303 G4double fDensity; // Material density <<
304 G4double fFreeElecDensity; // Free electron <<
305 G4double fTemp; // Temperature (defaults: S <<
306 G4double fPressure; // Pressure (default <<
307 <<
308 G4double fTotNbOfAtomsPerVolume; // Total n <<
309 G4double fTotNbOfElectPerVolume; // Total n <<
310 G4double fRadlen; // Radiation length <<
311 G4double fNuclInterLen; // Nuclear interact <<
312 G4double fMassOfMolecule; // Correct for ma <<
313 <<
314 G4State fState; // Material state <<
315 std::size_t fIndexInTable; // Index in the <<
316 G4int fNumberOfElements; // Number of G4Ele <<
317 <<
318 // Class members used only at initialisation <<
319 G4int fNbComponents; // Number of component <<
320 G4int fIdxComponent; // Index of a new comp <<
321 G4bool fMassFraction; // Flag of the method <<
322 <<
323 // For composites built <<
324 std::vector<G4int>* fAtoms = nullptr; <<
325 std::vector<G4double>* fElmFrac = nullptr; <<
326 std::vector<const G4Element*>* fElm = nullpt <<
327 302
328 // For composites built via AddMaterial() << 303 inline
329 std::map<G4Material*, G4double> fMatComponen << 304 G4double G4Material::GetZ() const
>> 305 {
>> 306 if (fNumberOfElements > 1) {
>> 307 G4cerr << "WARNING in GetZ. The material: " << fName << " is a mixture."
>> 308 << G4endl;
>> 309 G4Exception ( " the Atomic number is not well defined." );
>> 310 }
>> 311 return (*theElementVector)[0]->GetZ();
>> 312 }
>> 313
>> 314 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 315
>> 316 inline
>> 317 G4double G4Material::GetA() const
>> 318 {
>> 319 if (fNumberOfElements > 1) {
>> 320 G4cerr << "WARNING in GetA. The material: " << fName << " is a mixture."
>> 321 << G4endl;
>> 322 G4Exception ( " the Atomic mass is not well defined." );
>> 323 }
>> 324 return (*theElementVector)[0]->GetA();
>> 325 }
330 326
331 G4String fName; // Material name << 327 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
332 G4String fChemicalFormula; // Material chem <<
333 }; <<
334 328
335 #endif 329 #endif
336 330