LORENE
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Degenerate ideal Fermi gas. More...
#include <eos.h>
Public Member Functions | |
Eos_Fermi (double mass) | |
Standard constructor (sets g_s to 2). | |
Eos_Fermi (double mass, int g_degen) | |
Standard constructor. | |
Eos_Fermi (const Eos_Fermi &) | |
Copy constructor. | |
virtual | ~Eos_Fermi () |
Destructor. | |
void | operator= (const Eos_Fermi &) |
Assignment to another Eos_Fermi . | |
virtual bool | operator== (const Eos &) const |
Comparison operator (egality) | |
virtual bool | operator!= (const Eos &) const |
Comparison operator (difference) | |
virtual int | identify () const |
Returns a number to identify the sub-classe of Eos the object belongs to. | |
double | get_m () const |
Returns the fermion mass in eV/c2. | |
int | get_g_degen () const |
Returns the degeneracy factor. | |
virtual void | sauve (FILE *) const |
Save in a file. | |
virtual double | nbar_ent_p (double ent, const Param *par=0x0) const |
Computes the baryon density from the log-enthalpy. | |
virtual double | ener_ent_p (double ent, const Param *par=0x0) const |
Computes the total energy density from the log-enthalpy. | |
virtual double | press_ent_p (double ent, const Param *par=0x0) const |
Computes the pressure from the log-enthalpy. | |
virtual double | der_nbar_ent_p (double ent, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
virtual double | der_ener_ent_p (double ent, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
virtual double | der_press_ent_p (double ent, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
const char * | get_name () const |
Returns the EOS name. | |
void | set_name (const char *name_i) |
Sets the EOS name. | |
Cmp | nbar_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the baryon density field from the log-enthalpy field and extra parameters. | |
Scalar | nbar_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the baryon density field from the log-enthalpy field and extra parameters. | |
Cmp | ener_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the total energy density from the log-enthalpy and extra parameters. | |
Scalar | ener_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the total energy density from the log-enthalpy and extra parameters. | |
Cmp | press_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the pressure from the log-enthalpy and extra parameters. | |
Scalar | press_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the pressure from the log-enthalpy and extra parameters. | |
Cmp | der_nbar_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Scalar | der_nbar_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Cmp | der_ener_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Scalar | der_ener_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Cmp | der_press_ent (const Cmp &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Scalar | der_press_ent (const Scalar &ent, int nzet, int l_min=0, const Param *par=0x0) const |
Computes the logarithmic derivative ![]() | |
Static Public Member Functions | |
static Eos * | eos_from_file (FILE *) |
Construction of an EOS from a binary file. | |
static Eos * | eos_from_file (ifstream &) |
Construction of an EOS from a formatted file. | |
Protected Member Functions | |
Eos_Fermi (FILE *) | |
Constructor from a binary file (created by the function sauve(FILE*) ). | |
Eos_Fermi (ifstream &) | |
Constructor from a formatted file. | |
void | set_auxiliary () |
Computes the auxiliary quantities n_0 , ener_0 . | |
virtual ostream & | operator>> (ostream &) const |
Operator >> | |
void | calcule (const Cmp &thermo, int nzet, int l_min, double(Eos::*fait)(double, const Param *) const, const Param *par, Cmp &resu) const |
General computational method for Cmp 's. | |
void | calcule (const Scalar &thermo, int nzet, int l_min, double(Eos::*fait)(double, const Param *) const, const Param *par, Scalar &resu) const |
General computational method for Scalar 's. | |
Protected Attributes | |
double | m_0 |
Individual particule mass ![]() [unit: eV/c2]. | |
int | g_s |
Degeneracy parameter. | |
double | n_0 |
Number density scale [unit: ![]() | |
double | ener_0 |
Energy density scale [unit: ![]() ![]() | |
double | p_0 |
Pressure scale [unit: ![]() ![]() | |
char | name [100] |
EOS name. | |
Friends | |
Eos * | Eos::eos_from_file (FILE *) |
The construction functions from a file. | |
Eos * | Eos::eos_from_file (ifstream &) |
Degenerate ideal Fermi gas.
This equation of state describes an ideal gas of relativistic fermions at zero temperature. It has two parameters : the fermion mass
*** NB: This class is under construction and not fully tested yet ! ***
()
Lorene::Eos_Fermi::Eos_Fermi | ( | double | mass | ) |
Standard constructor (sets g_s
to 2).
mass | mass of each fermion in eV/c2 |
Definition at line 62 of file eos_fermi.C.
References set_auxiliary().
Standard constructor.
mass | mass of each fermion in eV/c2 |
g_degen | degeneracy factor (value for electrons or neutrons: 2) |
Definition at line 73 of file eos_fermi.C.
References set_auxiliary().
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protected |
Constructor from a binary file (created by the function sauve(FILE*)
).
This constructor is protected because any EOS construction from a binary file must be done via the function Eos::eos_from_file(FILE*)
.
Definition at line 95 of file eos_fermi.C.
References Lorene::fread_be(), g_s, m_0, and set_auxiliary().
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protected |
Constructor from a formatted file.
This constructor is protected because any EOS construction from a formatted file must be done via the function Eos::eos_from_file(ifstream&)
.
Definition at line 108 of file eos_fermi.C.
References g_s, m_0, and set_auxiliary().
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virtual |
Destructor.
Definition at line 123 of file eos_fermi.C.
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protectedinherited |
General computational method for Cmp
's.
thermo | [input] thermodynamical quantity (for instance the enthalpy field)from which the thermodynamical quantity resu is to be computed. |
nzet | [input] number of domains where resu is to be computed. |
l_min | [input] index of the innermost domain is which resu is to be computed [default value: 0]; resu is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
fait | [input] pointer on the member function of class Eos which performs the pointwise calculation. |
par | possible extra parameters of the EOS |
resu | [output] result of the computation. |
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protectedinherited |
General computational method for Scalar
's.
thermo | [input] thermodynamical quantity (for instance the enthalpy field)from which the thermodynamical quantity resu is to be computed. |
nzet | [input] number of domains where resu is to be computed. |
l_min | [input] index of the innermost domain is which resu is to be computed [default value: 0]; resu is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
fait | [input] pointer on the member function of class Eos which performs the pointwise calculation. |
par | possible extra parameters of the EOS |
resu | [output] result of the computation. |
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(e)/dln(H) is to be computed. |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(e)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 430 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(e)/dln(H) is to be computed. |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(e)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 440 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the logarithmic derivative
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS (not used here) |
Implements Lorene::Eos.
Definition at line 311 of file eos_fermi.C.
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(n)/dln(H) is to be computed. |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(n)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 407 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(n)/dln(H) is to be computed. |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(n)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 417 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the logarithmic derivative
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS (not used here) |
Implements Lorene::Eos.
Definition at line 301 of file eos_fermi.C.
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(p)/dln(H) is to be computed. |
par | possible extra parameters of the EOS |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(p)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
Definition at line 452 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the logarithmic derivative
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the derivative dln(p)/dln(H) is to be computed. |
par | possible extra parameters of the EOS |
l_min | index of the innermost domain is which the coefficient dln(n)/dln(H) is to be computed [default value: 0]; the derivative dln(p)/dln(H) is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
Definition at line 462 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the logarithmic derivative
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS |
Implements Lorene::Eos.
Definition at line 321 of file eos_fermi.C.
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inherited |
Computes the total energy density from the log-enthalpy and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the energy density is to be computed. |
l_min | index of the innermost domain is which the energy density is to be computed [default value: 0]; the energy density is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 363 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the total energy density from the log-enthalpy and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the energy density is to be computed. |
l_min | index of the innermost domain is which the energy density is to be computed [default value: 0]; the energy density is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 373 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the total energy density from the log-enthalpy.
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS (not used here) |
Implements Lorene::Eos.
Definition at line 264 of file eos_fermi.C.
References ener_0, Lorene::exp(), Lorene::log(), and Lorene::sqrt().
Construction of an EOS from a binary file.
The file must have been created by the function sauve(FILE*)
.
Definition at line 177 of file eos_from_file.C.
References Lorene::fread_be().
Construction of an EOS from a formatted file.
The fist line of the file must start by the EOS number, according to the following conventions:
Eos_poly
).Eos_poly_newt
).Eos_incomp
).Eos_incomp_newt
).Eos_Fermi
)MEos
)Eos_multi_poly
)The second line in the file should contain a name given by the user to the EOS. The following lines should contain the EOS parameters (one parameter per line), in the same order than in the class declaration.
Definition at line 314 of file eos_from_file.C.
int Lorene::Eos_Fermi::get_g_degen | ( | ) | const |
double Lorene::Eos_Fermi::get_m | ( | ) | const |
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virtual |
Returns a number to identify the sub-classe of Eos
the object belongs to.
Implements Lorene::Eos.
Definition at line 159 of file eos_from_file.C.
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inherited |
Computes the baryon density field from the log-enthalpy field and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the baryon density is to be computed. |
l_min | index of the innermost domain is which the baryon density is to be computed [default value: 0]; the baryon density is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 338 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the baryon density field from the log-enthalpy field and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the baryon density is to be computed. |
l_min | index of the innermost domain is which the baryon density is to be computed [default value: 0]; the baryon density is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 348 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the baryon density from the log-enthalpy.
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS (not used here) |
Implements Lorene::Eos.
Definition at line 248 of file eos_fermi.C.
References Lorene::exp(), n_0, and Lorene::sqrt().
Comparison operator (difference)
Implements Lorene::Eos.
Definition at line 210 of file eos_fermi.C.
References operator==().
Assignment to another Eos_Fermi
.
Definition at line 132 of file eos_fermi.C.
References g_s, m_0, Lorene::Eos::name, set_auxiliary(), and Lorene::Eos::set_name().
Comparison operator (egality)
Implements Lorene::Eos.
Definition at line 177 of file eos_fermi.C.
References g_s, identify(), Lorene::Eos::identify(), and m_0.
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inherited |
Computes the pressure from the log-enthalpy and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the pressure is to be computed. |
l_min | index of the innermost domain is which the pressure is to be computed [default value: 0]; the pressure is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 385 of file eos.C.
References Lorene::Cmp::get_mp().
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inherited |
Computes the pressure from the log-enthalpy and extra parameters.
ent | [input, unit: ![]() ![]() ![]() |
nzet | number of domains where the pressure is to be computed. |
l_min | index of the innermost domain is which the pressure is to be computed [default value: 0]; the pressure is computed only in domains whose indices are in [l_min,l_min+nzet-1] . In the other domains, it is set to zero. |
par | possible extra parameters of the EOS |
Definition at line 395 of file eos.C.
References Lorene::Tensor::get_mp().
Computes the pressure from the log-enthalpy.
ent | [input, unit: ![]() |
par | possible extra parameters of the EOS (not used here) |
Implements Lorene::Eos.
Definition at line 282 of file eos_fermi.C.
References Lorene::exp(), Lorene::log(), p_0, and Lorene::sqrt().
Save in a file.
Reimplemented from Lorene::Eos.
Definition at line 221 of file eos_fermi.C.
References Lorene::fwrite_be(), g_s, m_0, and Lorene::Eos::sauve().
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protected |
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friend |
The construction functions from a file.
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protected |
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protected |
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protected |
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protected |