seapy.couplings.couplingsurfaceacousticalplate.CouplingSurfaceAcousticalPlate¶

class seapy.couplings.couplingsurfaceacousticalplate.CouplingSurfaceAcousticalPlate(name, system, **properties)[source]¶

A model describing the coupling between a cavity and a plate.

__init__(name, system, **properties)¶

Constructor.

Parameters:	name (string) – Identifier junction (`seapy.junctions.junction`) – junction subsystem_from (`seapy.subsystems.Subsystem`) – subsystem from subsystem_to (`seapy.subsystems.Subsystem`) – subsystem_to

Methods

`__init__`(name, system, **properties)	Constructor.
`CouplingSurfaceAcousticalPlate.df`
`disable`([subsystems])	Disable this coupling.
`enable`([subsystems])	Enable this coupling.
`info`([attributes])	Return dataframe.
`plot`(quantity[, yscale])	Plot quantity.

Attributes

`SORT`	str(object=’‘) -> str
`area`	Connecting surface.
`classname`	Name of class of the object.
`clf`	Coupling loss factor for transmisson from a cavity/room to a plate/wall.
`critical_frequency`	Critical frequency
`critical_wavelength`	Wavelength belonging to critical frequency.
`enabled`	Switch indicating whether the object is enabled.
`frequency`	Frequency.
`impedance_from`
`impedance_to`
`included`	Indicates whether the object is included in the analysis.
`junction`
`mobility_from`	Mobility of `subsystem_from` corrected for the type of coupling.
`mobility_to`	Mobility of `subsystem_to` corrected for the type of coupling.
`modal_coupling_factor`	Modal coupling factor of the coupling.
`name`
`radiation_efficiency`	Radiation efficiency.
`reciproce`	Reciproce or inverse coupling.
`resistance_from`	Resistance of `subsystem_from` corrected for the type of coupling.
`resistance_to`	Resistance of `subsystem_to` corrected for the type of coupling.
`subsystem_from`
`subsystem_to`

Coupling loss factor for transmisson from a cavity/room to a plate/wall.

$\eta_{cavity,plate} = \frac{5556 S_2 f_{c2} \sigma_{2}}{V_1 \rho{s2} f^3}$

See Craik, equation 1.22, page 9.

critical_wavelength[source]¶: Wavelength belonging to critical frequency.

$\lambda_c = c_{g} / f_c$