Mechanical APDL Structural Analysis Guide

4. Click once on nodes 2 and 3.


5. Click on Apply. A line appears between the selected nodes.


6. Click once on nodes 3 and 4.


7. Click on OK. A line appears between the selected nodes.

4.5.3.6. Create the Mass Elements

1. Choose menu path Main Menu> Preprocessor> Modeling> Create> Elements> Elem Attributes.


2. Enter 2 for element type number.


3. Enter 2 for real constant set number and click on OK.


4. Choose menu path Main Menu> Preprocessor> Modeling> Create> Elements> Auto Numbered>
   Thru Nodes. A picking menu appears.


5. In the graphics window, click once on node 2.


6. Click on Apply.


7. Click once on node 3 and click on OK.

4.5.3.7. Specify the Analysis Type, MDOF, and Load Step Specifications

1. Choose menu path Main Menu> Solution> Analysis Type> New Analysis.


2. Click once on "Harmonic" and click on OK.


3. Choose menu path Main Menu> Solution> Analysis Type> Analysis Options.


4. Click once on "Full" to select the solution method.


5. Click once on "Amplitud + phase" to select the DOF printout format and click on OK.


6. Click OK in the Full Harmonic Analysis dialog box.


7. Choose menu path Main Menu> Solution> Load Step Opts> Output Ctrls> Solu Printout.


8. Click on "Last substep" to set the print frequency and click on OK.


9. Choose menu path Main Menu> Solution> Load Step Opts> Time/Frequenc> Freq and Substeps.


10. Enter 0 and 7.5 for the harmonic frequency range.


11. Enter 30 for the number of substeps.


12. Click once on "Stepped" to specify stepped boundary conditions.


13. Click on OK.

Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information

Sample Harmonic Analysis (GUI Method)