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  • ANSYS - Vibration Analysis of a Frame - Step 6

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Problem Specification
1. Start-up and preliminary set-up
2. Specify element type and constants
3. Specify material properties
4. Specify geometry
5. Mesh geometry
6. Specify boundary conditions
7. Solve!
8. Postprocess the results
9. Validate the results

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Solution > Analysis Type > Analysis Options

Enter 10 for No of modes to extract.

Click OK and then OK again to accept defaults for the Block Lanczos Method.

...

Select keypoint at A. Select UX and UY, Enter 0 for Displacement value.

Click OK.

Select keypoint at C. Select UY, Enter 0 for Displacement value.

Click OK.

Specify Damping Ratio

Select in Preprocessor:

Loads > Load Step Opts > Time/Frequency > Damping

Enter 0.02 for Constant damping ratio.

Click OK.

Save your work

Click on SAVE_DB in the ANSYS Toolbar to save the database.

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