Mechanical APDL Structural Analysis Guide

5. Click on OK.The Library of Element Types dialog box closes.


6. Click on Options in the Element Types dialog box.


7. Choose Element Behavior K3 : Cubic Form. Click on OK.


8. Click on Close in the Element Types dialog box.

6.3.4.3. Define the Cross-Section Area

1. Choose menu path Main Menu> Preprocessor> Sections> Beam> Common Sections. The BeamTool
   dialog box appears.


2. Enter 71.6 for B and 3.82 for H. Click on Apply.


3. Click on Close to close the BeamTool dialog box.

6.3.4.4. Define Material Properties

1. Choose menu path Main Menu> Preprocessor> Material Props> Material Models. The Define Material
   Model Behavior dialog box appears.


2. In the Material Models Available window, click on the following options: Structural, Linear, Elastic, Isotropic.
   A dialog box appears.


3. Enter 30E6 for EX (Young's modulus), 0.30 for PRXY (Poisson's ratio), and then click on OK. Material
   Model Number 1 appears in the Material Models Defined window on the left.


4. Click on Density. A dialog box appears.


5. Enter 73E-5 for DENS (density), and click on OK.


6. Choose menu path Material> Exit to remove the Define Material Model Behavior dialog box.

6.3.4.5. Define Keypoints and Line.

1. Choose menu path Main Menu> Preprocessor> Modeling> Create> Keypoints> In Active CS. The
   Create Keypoints in Active Coordinate System dialog box appears.


2. Enter 1 for keypoint number.


3. Click on Apply to accept the default X,Y, Z coordinates of 0,0,0.


4. Enter 2 for keypoint number.


5. Enter 240,0,0 for X,Y, and Z coordinates, respectively.


6. Click on Apply.


7. Enter 3 for keypoint number.


8. Enter 0,1,0 for X,Y, and Z coordinates, respectively.


9. Click on OK.

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Spectrum Analysis