Specifying harmonic index numbers

You can use a Harmonic Set modeling object to specify the harmonic index numbers for which you want the software to:

• Calculate modes during the analysis.

• Generate output.

You can use a Harmonics Set object in both Step - Axisymmetric Fourier Analysis and Step - Cyclic Modes steps. In the Post Processing Navigator, the software organizes the results for axisymmetric Fourier and cyclic symmetry analyses by harmonic index number.

The Harmonics options in the Harmonic Set dialog box define the set of harmonic numbers that are referenced by both the Simcenter Nastran HARMONICS and HOUTPUT case control commands.

For more information, see HARMONICS and HOUTPUT in the Simcenter Nastran Quick Reference Guide.

Where do I find it?

Application	Pre/Post
Prerequisite	A Simulation file as the work part and the displayed partSimcenter Nastran or Simcenter 3D Multiphysics as the specified solverStructural as the specified analysis type2D Solid Option set to either ZX Plane, Z Axis or XY Plane, X AxisSOL 401 Multi-Step Nonlinear (Simcenter Nastran), SOL 402 Multi-Step Nonlinear Kinematics (Simcenter Nastran), or Multi-Step Nonlinear (Multiphysics) as the specified solutionStep - Axisymmetric Fourier Modes or Step - Cyclic Modes as the step type
Command Finder	Modeling Objects →Type list→Harmonic Set

Learn more

Fourier harmonics analysis

Axisymmetric Fourier harmonics post-processing options

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Specifying harmonic index numbers, Simcenter 3D 2021.1 Series

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