Filter modes with small modal effective mass

Use this procedure when your simulation file contains an active Simcenter Nastran SOL 103 Real Eigenvalues solution with Solution Process set to Laminate Dynamics.

1. In the Simulation Navigator, right-click the solution node and choose Edit.

2. On the Case Control page, click Create Modeling Object , or click Edit if an output requests modeling object already exists.

3. In the Structural Output Request dialog box, on the Modal Effective Mass page, select the Enable MEFFMASS Request check box.

4. In the Threshold box, enter a threshold value.You can set a threshold value between 0.0 and 1.0.

5. Click OK to close both dialog boxes.

How do I

Laminate Dynamics workflow

Create a dynamic simulation

Modify normal mode settings

Create a random event

Create a sine event

Solve the dynamic simulation

Learn more

Simcenter 3D Laminate Dynamics

Random Event

Sine Event

Look up more details

Simulation Navigator for Dynamic Simulation

Right-click commands for Dynamic Simulation

Laminate random results

Laminate sine results

Laminate Dynamics Details View subpanel (Simulation Navigator)

Supported elements

Damping definition

Modal truncation effects

Dynamic simulation output files

Confidence level in peak results computation

Supported failure theories

Running a Laminate Dynamics solution process from a command line

Quick links

Command reference

Pre/Post video examples

Bulk Entry Descriptions

Simcenter 3D tutorials

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Filter modes with small modal effective mass, Simcenter 3D 2021.1 Series

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