ViscoelasticFluid#
- class osaft.core.fluids.ViscoelasticFluid(frequency, rho, c, eta_f, eta_p, zeta_f, zeta_p, lambda_M)[source]#
Bases:
ViscousFluid
Class for a viscoelastic fluid
- Parameters:
frequency (int | float | Frequency) – frequency in [Hz]
rho (float) – density in [km/m^3]
c (float) – speed of sound [m/s]
eta_f (float) – shear viscosity of fluid component [Pa s]
zeta_f (float) – bulk viscosity of fluid component [Pa s]
eta_p (float) – shear viscosity of polymer component [Pa s]
zeta_p (float) – bulk viscosity of polymer component [Pa s]
lambda_M (float) – relaxation time of fluid [s]
Public Data Attributes:
Polymer component shear viscosity \(\eta_p\) [Pa s]
Polymer component bulk viscosity \(\zeta_p\) [Pa s]
Relaxation time \(\lambda_M\) [s]
Complex acoustic shear viscosity \(\eta_c\) [Pa s]
Complex acoustic bulk viscosity \(\zeta_c\) [Pa s]
Returns the wave number \(k_f\) [1/m]
Returns the viscous wave number \(k_v\) [1/m]
Inherited from
ViscousFluid
Inherited from
InviscidFluid
Inherited from
BaseFrequencyComposite
wrapper for
osaft.core.frequency.Frequency.f
wrapper for
osaft.core.frequency.Frequency.omega
Public Methods:
Inherited from
BaseFrequencyComposite
Returns all properties that are settable.
- classmethod input_variables()#
Returns all properties that are settable.
Returns a list of the names of all properties that are settable, i.e. all properties that wrap a PassiveVariable.
- Return type:
list
[str
]
- property c_f: float#
Speed of sound \(c_f\) [ms].
- Getter:
returns the value for the frequency
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property delta: float#
Returns the boundary layer thickness \(\delta\) [m]
- property eta_c: complex#
Complex acoustic shear viscosity \(\eta_c\) [Pa s]
- property eta_f: float#
Shear viscosity \(\eta_f\) [Pa s].
- Getter:
returns the shear viscosity
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property eta_p: float#
Polymer component shear viscosity \(\eta_p\) [Pa s]
- Getter:
Returns the polymer component shear viscosity
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property f: float#
wrapper for
osaft.core.frequency.Frequency.f
- property k_f: complex#
Returns the wave number \(k_f\) [1/m]
- property k_v: complex#
Returns the viscous wave number \(k_v\) [1/m]
- property kappa_f: float#
Returns the compressibility \(\kappa_f\) [1/Pa]
- property lambda_M: float#
Relaxation time \(\lambda_M\) [s]
- Getter:
Returns the relaxation time of the fluid
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property lambda_f: float#
Returns the wavelength \(\lambda_f\) [m]
- property lambda_v: float#
Returns the viscous wave length \(\lambda_v\) [m]
- property omega: float#
wrapper for
osaft.core.frequency.Frequency.omega
- property rho_f: float#
Density \(\rho_f\) [kg/m^3].
- Getter:
returns the value for the density
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property zeta_c: complex#
Complex acoustic bulk viscosity \(\zeta_c\) [Pa s]
- property zeta_f: float#
Bulk viscosity \(\zeta_f\) [Pa s].
- Getter:
returns the bulk viscosity
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()
- property zeta_p: float#
Polymer component bulk viscosity \(\zeta_p\) [Pa s]
- Getter:
Returns the polymer component bulk viscosity
- Setter:
automatically invokes
osaft.core.variable.BaseVariable.notify()