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Physical Solver Parameters dialog box

Modeling Object
Name Defines the modeling object name.
Label Specifies a unique numerical identifier for the modeling object.
Properties
Description Lets you enter a brief description. Click to open a text editor where you can enter a longer description.
Options
Account for Fluid Absorption Controls whether the software accounts for fluid absorption for the analysis. When the Account for Fluid Absorption check box is selected and the fluid is defined as air, the software considers air absorption.
Fluid Absorption Type Appears when Account for Fluid Absorption check box is selected.Specifies the fluid absorption type.StandardSelect this option to let the software calculate the absorption based on the temperature and relative humidity. The software uses the relative humidity specified in the Acoustic Fluid Property dialog box.User Defined****Select this option to enter an air absorption value.
Air Absorption [dB / unit length] Appears when Fluid Absorption Type is set to User Defined.Sets a constant or frequency-dependent air absorption value.For more information, see Additional magnitude options.
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Physical Solver Parameters dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1761875 · retrieved 2026-07-17