Simcenter STAR-CCM+ How do I create a Scalar Scene of Moment around a Secondary Coordinate System

2022-07-15T16:02:59.000-0400
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Summary

This article shows an method to create a Field Function for Moment around a Secondary Axis.

Details

Firstly, in this Article we will look at how to create a Moment Field Function around the Laboratory Coordinate System then show an example around a secondary axis.
 
Create a Vector Field Function for the Pressure Force with Definition $Pressure * $$Area
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Create a Vector Field Function for the Shear Force with Definition $${WallShearStress}*mag($${Area})
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Create a Scalar Field Function for the Moment_Lab around Lab Y axis with definition:  dot(cross($$Position, ($$Fpressure + $$Fshear)) , [0, 1, 0] )
 
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To check the validity of your field function create a Sum Report of the Field Function
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This should be comparable to the build in Moment Report Function of the same surface and Coordinate System. 
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The values of both reports are equivalent.


You can visualize the Field Function in a Scalar Scene
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To create the equivalent Scalar Scene referencing a secondary axis an extra Field Function is required.

Create a Scalar Field Function for the Moment_SecondayAxis around Laboratory.Cartesian 1 Y axis with definition:  dot(cross($$Position(@CoordinateSystem("Laboratory.Cartesian 1")), ($$Fpressure(@CoordinateSystem("Laboratory.Cartesian 1")) + $$Fshear(@CoordinateSystem("Laboratory.Cartesian 1")))) , [0, 1, 0] )
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Repeat the Report Steps to validate the field function.
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Again, note that the values are equivalent.
 

You can now visualize the Moment Field Function in a Scalar Scene
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KB Article ID# KB000050105_EN_US

Contents

SummaryDetails

Associated Components

Design Manager Electronics Cooling In-Cylinder (STAR-ICE) Job Manager Simcenter STAR-CCM+