seapy.components.beam.SubsystemLong¶

class seapy.components.beam.SubsystemLong(name, system, **properties)[source]¶

Subsystem for longitudinal waves in a 1D system.

__init__(name, system, **properties)¶

Constructor.

Parameters:	name (string) – Identifier component (`SeaPy.components.Component`) – Component

Methods

`__init__`(name, system, **properties)	Constructor.
`addExcitation`(name, model, **properties)	Add excitation to subsystem.
`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`	Average frequency spacing for longitudinal waves.
`classname`	Name of class of the object.
`component`
`conductance`	Conductance $G$ .
`conductance_point_average`	Average point conductance of a structural 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 $E$ in subsystem.
`frequency`	Frequency.
`impedance`	Impedance $Z$
`impedance_point_force`	Impedance for longitudinal waves in a bar when excited at a point by a force.
`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.
`resistance`	Resistance $R$ , the real part of the impedance $Z$ .
`resistance_point_average`	Average point resistance.
`soundspeed_group`	Group velocity for longitudinal wave.
`soundspeed_phase`	Phase velocity for longitudinal wave.
`tlf`	Total loss factor.
`velocity`	Vibrational velocity $v$ .
`velocity_level`	Velocity level $L_v$ .
`wavenumber`	Wavenumber in radians per unit length.