Dynamic Event

Define a Modal Transient (MTRAN) loadcase.

Using the Dynamic Event tool, you can setup a dynamic (Modal Transient) loadcase to solve and analyse squeak and rattle problems.
  1. From the Setup group, click Dynamic Event.
    Figure 1.
  2. Optional: From the guide bar, click to define Load Case Options.
  3. Select a node(s) where the load should be applied to in the graphics area.
    Figure 2.
  4. Use the Load Type drop-down menu on the microdialog to select the required load type.
  5. Select a curve type from the Load Curve list.
    Available load curve types are:
    • Sine Sweep: Defines a SineSweep curve
    • From File: Import a load curve data in time domain from an external file
    • From PSD: Select a PSD curve and SnRD will convert it to time-domain
    • From Curve: Select curve(s) TABLED1, which already exists in session
  6. Optional: Select Curve Editor option to open the Curve Editor dialog.
    The Curve Editor dialog opens where curve(s) are visualized.
  7. Select Load Direction(s).
  8. Optional: Use to define scaling and other options.
  9. Click .
    This will create a Dynamic event loadcase at the selected node and all the relevant cards are created and listed in the model browser automatically. Refer to Linear Transient Analysis Optistruct page.
    For more details refer to Optistruct Manual.