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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

Step 4: Specify geometry

Because of the inherent symmetry of the model, we'll perform the analysis on a quarter of the volumes only. Recall that a=0 (i.e. angle between the planes in which radii R₁ and R₂ lie is zero). As a result, the upper and lower volume have the same orientation, when viewed from the top.

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Enter the keypoint locations:

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

Keypoint 2: X =R2, Y =-R2, Z =0, Click Apply.

Keypoint 3: X =R2, Y =-R2p, Z =0, Click Apply.

Keypoint 4: X =0, Y =-R2p, Z =0, Click Apply.

Keypoint 5: X =0, }}Y {{=-inter, Z =0, Click Apply.

Keypoint 6: X =R1, Y =R1-inter, Z =0, Click Apply.

Keypoint 7: X =R1, Y =R1p-inter, Z =0, Click Apply.

Keypoint 8: X =0, Y =R1p-inter, Z =0, Click Apply.

Keypoint 9: X =0, Y =-R2, Z =0, Click Apply.

Keypoint 10: X =0, Y =R1-inter, Z =0, Click OK.

 

Create Lines

Main Menu > Preprocessor > Modeling > Create > Lines > Lines >In Active Coord

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Save Your Work

Toolbar > SAVE_DB

Go to Step 5: Mesh geometry