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Panel

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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Enter the following parameters, clicking Accept after each. Check the figure of the geometry to see what dimension each parameter corresponds to.

R1=44e-3
R2=R1+88e-3
Z1=65e-3
Z2=14e-3

Click Close.

Switch to Cylindrical Coordinate System

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When the active coordinate system is set to cylindrical, X, Y, and Z in the menus refer to the cylindrical coordinates r, θ (in degrees) and z, respectively. Remember to make this mental substitution as you enter the keypoint coordinates. Also, you can use the tab key to move the cursor to the next entry field. Don't forget to change the keypoint number as you enter the coordinates of the keypoints.

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Enter the keypoint locations (think about where each one lies as you enter its coordinates):

Keypoint 1: X=R1, Y=90, Z=0, Click Apply.

Keypoint 2: X=R1, Y=95, Z=0, Click Apply.

Keypoint 3: X=R1, Y=95, Z=Z1, Click Apply.

Keypoint 4: X=R1, Y=90, Z=Z1, Click Apply.

Keypoint 5: X=R2, Y=90, Z=0, Click Apply.

Keypoint 6: X=R2, Y=95, Z=0, Click Apply.

Keypoint 7: X=R2, Y=95, Z=Z2, Click Apply.

Keypoint 8: X=R2, Y=90, Z=Z2, Click OK.

Save your work: Toolbar > SAVE_DB

Then click on the isometric view button on the right toolbar.

newwindow
Higher Resolution Image
Higher Resolution Image
https://confluence.cornell.edu/download/attachments/90093093/cross+section+geometry.jpg?version=1

Create Volume

We'll next generate a volume from the 8 keypoints. The order of the keypoints should be around the bottom first and then the top.

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Pick the 8 keypoints in the order in which they are numbered. Click OK in the pick menu.

Plot Lines

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Utility Menu > Plot > Lines

Save Your Work

Toolbar > SAVE_DB

Go to Step 5: Mesh geometry

See and rate the complete Learning Module

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