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Include Page |
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Step 2: Geometry
Initial settings
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Proper Orientation
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Line Sketching
First instinct is to make a rectangular solid as a model for our cantilever. While this would work, it would make the mesh more complex than it needs to be. This is a one-dimensional problem, so all we really need at our base is a one-dimensional figure: a line. (We still need to tell ANSYS it has volume, though.)
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Line Body
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Geometry
The following videos use the legacy geometry engine, DesignModeler. Please see this page of the EdX course for updated instructions using the new geometry engine, SpaceClaim.
Sketch the Midline
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<iframe width="560" height="315" src="https://www.youtube.com/embed/Lm9Z_3eMAQc" frameborder="0" allowfullscreen></iframe> |
Specify Moment of Inertia
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<iframe width="560" height="315" src="https://www.youtube.com/embed/W_QGlwxIza0" frameborder="0" allowfullscreen></iframe> |
Check Your Understanding
Select the correct option below.
Consider the case where we replace our square cross-section in ANSYS with a different cross-section that has a lower cross-sectional area but the same moment of inertia. How is the total potential energy of the beam affected?
It:
- Decreases
- Stays the same
- Increases
Cross Section
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Merge the Cross Section with the Line Body
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Verify Geometry
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