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Pre-Analysis & Start-Up

Pre-Analysis

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Start-Up

The following video shows how to launch ANSYS Workbench and choose the appropriate analysis system (which, under the hood, sets the governing equations that one will be solving). The video also shows how to add a new material to the material list for this project. We'll later assign our material to the model in the Physics Setup step.

In the pre-analysis step, we review the:

• Mathematical model

• Numerical solution strategy

• Hand calculations of expected results

Governing Equations

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<iframe width="600" height="338" src="https://www.youtube.com/embed/3cfpUkFBQmo" frameborder="0" allowfullscreen></iframe>

 

Additional Equations

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<iframe width="600" height="338" src="https://www.youtube.com/embed/4VIPUbNPB6k" frameborder="0" allowfullscreen></iframe>

Traction at the Boundary

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<iframe width="600" height="338" src="https://www.youtube.com/embed/msozB3MWfXs" frameborder="0" allowfullscreen></iframe>

 

Boundary Conditions

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<iframe width="600" height="338" src="https://www.youtube.com/embed/0_fOFRojrwg" frameborder="0" allowfullscreen></iframe>

 

Numerical Solution Strategy

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<iframe width="600" height="338" src="https://www.youtube.com/embed/GqxfyBzfAeY?rel=0" H6VquoWcAfI" frameborder="0" allowfullscreen></iframe>

 

Hand Calculations

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<iframe width="600" height="338" src="https://www.youtube.com/embed/ET4F867Rp-Q" frameborder="0" allowfullscreen></iframe>

Check Your Understanding

Which one of the following assumptions is contained in the strain-displacement relations in the mathematical model that we will solve using ANSYS? (See edX module for answer)

a. Acceleration at any point in the structure is zero

b. Material is in the elastic range

c. Material is isotropic

d. Strains are small

e. All of the above

Go to Step 2: Geometry

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