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Command reference help topics

Envelope Line dialog box

Computes the upper or lower envelope consisting of peak (maximum or minimum) points for the function.

Qualifying Records table
Qualifying Records Displays the available AFU records.
Show All Displays all records in the loaded AFU.If you clear this check box, the table displays only the functions available that can be processed by the conversion.
AFU Name column Lists the AFU loaded to the model.
Record Name column Lists the record identifier.
Function Type column Lists the function type (Frequency, Time, and so on).
Abs Unit column Lists the abscissa (x-axis) units.
Ord Unit column Lists the ordinate (Y-axis) units.
Add AFU Records Adds a function to the table.Select the function from a loaded AFU file in the XY Function Navigator and click .
Remove AFU Records Removes a function from the table.Select the function in the table and click .
Input Parameters
Envelope type Generates an envelope line for a frequency function (record).Generate upward Envelope Line Generates an upward envelope line, which includes all maximum peak values.If you create an upward envelope line, the software adds "_ max" as the suffix. Generate downward Envelope Line Generates a downward envelope line, which includes all the minimum peak values.If you create a downward envelope line, the software adds "_ min" as the suffix.
Data Format Select the function format.MagnitudeCreates the function using the function Magnitude values.Real values.Creates the function using the function Real values.ImaginaryCreates the function using the function Imaginary values.
Output
Output Setting Specifies how the software should write the resulting data in the AFU file. Output options:AppendAppends the new function to an existing function.OverwriteOverwrites an existing function with the new function.Other AFUSelects a new AFU file in which to save the function.
AFU File Appears when Output is set to Other AFU.Sets the path and file name of the AFU file where the resulting data will be saved.You can also click Browse to select the file location.
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Envelope Line dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1744446 · retrieved 2026-07-17