Bases: seapy.subsystems.subsystem.Subsystem
Abstract base class for all acoustical subsystems.
Constructor.
Parameters: |
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Methods
__init__(name, system, **properties) | Constructor. |
addExcitation(name, model, **properties) | Add excitation to subsystem. |
SubsystemAcoustical.df | |
disable([couplings]) | Disable this subsystem. |
enable([couplings]) | Enable this subsystem. |
info([attributes]) | Return dataframe. |
plot(quantity[, yscale]) | Plot quantity. |
Attributes
SORT | str(object=’‘) -> str |
average_frequency_spacing | “ |
classname | Name of class of the object. |
component | |
conductance | Conductance . |
conductance_point_average | Average point conductance of an acoustic component. |
damping_term | The damping term is the ratio of the modal half-power bandwidth to the average modal frequency spacing. |
dlf | Damping loss factor of subsystem. |
enabled | Switch indicating whether the object is enabled. |
energy | Total energy in subsystem. |
frequency | Frequency. |
impedance | Impedance |
included | Indicates whether the object is included in the analysis. |
linked_couplings_from | |
linked_couplings_to | |
linked_excitations | |
mobility | Mobility Y |
modal_density | Modal density. |
modal_energy | Class capable of containing spectral values. |
modal_overlap_factor | Modal overlap factor. |
name | |
power_input | Total input power due to excitations. |
pressure | Mean sound pressure . |
pressure_level | Sound pressure level . |
resistance | Resistance , the real part of the impedance . |
resistance_point_average | Average point resistance of an acoustic component. |
soundspeed_group | Group speed of a fluid in a duct with rigid walls. |
soundspeed_phase | Phase speed of a fluid in a duct with rigid walls. |
tlf | Total loss factor. |
wavenumber | Wavenumber. |
Sound pressure level .
Return type: | numpy.ndarray |
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Average point resistance of an acoustic component.
See Lyon, page 149, equation 8.5.3