Transfer Admittance - Coefficients dialog box

Modeling Object
Name	Sets the name of the transfer admittance coefficients.
Label	Sets the label for the transfer admittance coefficients.
Properties
Description	Sets a description for the transfer admittance coefficients.
	The formulation matrix equation that links pressures with velocities is given by:where:P1 = Inlet pressureP2 = Outlet pressureVn1= Inlet velocityVn2 = Outlet velocityα1, α2, α4, α5 = Admittance coefficientsα3, α6 = Source coefficients
Transfer Admittance Coefficients
Alpha1/Alpha2/Alpha4/Alpha5	Specifies how the transfer admittance coefficients are defined.
Real	Available when Alpha1/Alpha2/Alpha4/Alpha5 is set to Real/Imaginary.Sets the real component values of the transfer admittance coefficients.
Imaginary	Available when Alpha1/Alpha2/Alpha4/Alpha5 is set to Real/Imaginary.Sets the imaginary component values of the transfer admittance coefficients.
Magnitude	Available when Alpha1/Alpha2/Alpha4/Alpha5 is set to Magnitude/Phase.Sets the magnitude values of the transfer admittance coefficients.
Phase	Available when Alpha1/Alpha2/Alpha4/Alpha5 is set to Magnitude/Phase.Sets the phase angle values of the transfer admittance coefficients.
Specify Field	Available when Alpha1/Alpha2/Alpha4/Alpha5 is set to Field.Specifies the frequency dependent complex field values.Options include:Select Existing Field from List opens the Fields dialog box, where you can select a field.A field can define a magnitude that varies with independent variables such as frequency, temperature, or time. For more information about fields, see Fields.Formula Constructor opens the Formula Field dialog box, where you can define a formula to construct a field.For more information, see Define a boundary condition using a formula field.Table Constructor opens the Table Field dialog box, where you can define tabular data to construct a field.For more information, see Define a boundary condition using a table field and Define a material property using a table field.Plot (XY) plots the field as an XY graph.For more information, see Graph overview.Overlay (XY) overlays a plot on an existing plot. You can overlay up to 50 plots.For more information, see Overlay plots.
Internal Sources
Alpha3/Alpha6	Specifies how the internal sources coefficients are defined.
Real	Available when Alpha3/Alpha6 is set to Real/Imaginary.Sets the real component values of the internal sources coefficients.
Imaginary	Available when Alpha3/Alpha6 is set to Real/Imaginary.Sets the imaginary component values of the internal sources coefficients.
Magnitude	Available when Alpha3/Alpha6 is set to Magnitude/Phase.Sets the magnitude values of the internal sources coefficients.
Phase	Available when Alpha3/Alpha6 is set to Magnitude/Phase.Sets the phase angle values of the internal sources coefficients.
Specify Field	Available when Alpha3/Alpha6 is set to Field.Specifies the frequency dependent complex field values.Options include:Select Existing Field from List opens the Fields dialog box, where you can select a field.A field can define a magnitude that varies with independent variables such as frequency, temperature, or time. For more information about fields, see Fields.Formula Constructor opens the Formula Field dialog box, where you can define a formula to construct a field.For more information, see Define a boundary condition using a formula field.Table Constructor opens the Table Field dialog box, where you can define tabular data to construct a field.For more information, see Define a boundary condition using a table field and Define a material property using a table field.Plot (XY) plots the field as an XY graph.For more information, see Graph overview.Overlay (XY) overlays a plot on an existing plot. You can overlay up to 50 plots.For more information, see Overlay plots.Scale Factor — Sets the scaling of values present in the Field.

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Transfer Admittance dialog box (Acoustics BEM)

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Transfer Admittance - Coefficients dialog box, Simcenter 3D 2021.1 Series

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