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Plot FRAC dialog box

Stretch Factor Options
Lower Limit Sets the minimum stretch factor beta value.
Upper Limit Sets the maximum stretch factor beta value.
Increment Sets the increment value of the stretch factor beta, which the solver uses to write the output results.
Frequency Options
Frequency Range Specifies the method to define the frequency limits used in the computation of the FRAC plots.InferredInfers the frequency range from all the FRFs for the selected pairs.SpecifyUses the frequency limits that you set in the Lower Limit and Upper Limit boxes.
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FRAC plots

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Plot FRAC dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1754893 · retrieved 2026-07-17