Moving Frame of Reference dialog box (Flow/ESC/Multiphysics)

Option	Description
Type	Specifies the type of moving frame of reference.Rotating Frame of ReferenceDefines a rotating frame of reference on part of the fluid domain in your model.Translating Frame of ReferenceDefines a time-varying acceleration on all fluid enclosures in the model.
Name
Name	Sets the name for the simulation object. Description opens an editor in which you can type a description for the simulation object.
Destination Folder
Simulation Object Container	Specifies the folder in the Simulation Navigator in which the boundary condition will be stored. The list includes the root container and existing folders that you created using the New Folder command. Examples of a root container include Load Container, Constraint Container, and Simulation Object Container.
Folder Manager	Displays a hierarchical listing of existing folders. To create a new folder, right-click any level of the hierarchy and choose New Folder.
Region
Group Reference	Appears when Type is set to Rotating Frame of Reference.Applies the boundary condition to the selected group. For more information, see Group Reference options.
Select Object	Appears when Type is set to Rotating Frame of Reference.Lets you select the polygon bodies or elements to define the rotating frame of reference region.Excluded lets you remove individual entities from within your selected object.
Select Object	Appears when Type is set to Translating Frame of Reference.Selects automatically the complete model.
Stacked Smart Selector Methods	Opens the Smart Selector Methods dialog box where you can specify a progression of smart selection filters.For more information, see Smart Selector Methods dialog box.
Rotation Parameters
Appears when Type is set to Rotating Frame of Reference.
Rotation Axis	Specifies the axis of rotation for the rotating frame of reference. Global Cyclic AnalysisAppears if you defined the cyclic symmetry cylindrical coordinate system in the FEM. Rotates the region around the Z-axis of the cyclic symmetry cylindrical coordinate system. User-DefinedLets you specify the axis of rotation. Use the Specify Vector options to specify the direction of revolution, and use the Specify Point options to specify the location of the axis.
Rotation Rate	Sets the angular velocity for the rotating frame of reference.
Translation Parameters
Appears when Type is set to Translating Frame of Reference.
Acceleration	Lets you select or create an acceleration field that varies with time. Use the Specify Field options to specify the acceleration field.Plot (XY) plots the field as an XY graph. Overlay(XY) overlays a plot on an existing plot. You can overlay up to 50 plots.
Scale Factors	Sets the factors to uniformly increase or decrease the acceleration components in the X-direction, Y-direction, and Z-direction that you set in the Ax, Ay, and Az boxes.

How do I

Create a Rotating Frame of Reference

Model water sloshing in a bottle

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Moving Frame of Reference

Simulating two-phase, immiscible fluids

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Moving Frame of Reference dialog box (Flow/ESC/Multiphysics), Simcenter 3D 2021.1 Series

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