Spring 2007, MET 415 - FEA Applications I

Prof. Dave Johnson, dhj1@psu.edu, Penn State - Erie, The Behrend College

Sample Problem for Exam 1

Model and solve the problem below in ANSYS and answer the questions at the bottom of the page.

The cross section of a very long extruded aluminum conduit for hydraulic fluid is shown in the figure.

• Modulus = 10x10⁶ psi
• Poisson's Ratio = 0.32
• Internal pressure = 800 psi.

 Sketch the model you are using. Show the loads and constraints. Label the keypoints on your sketch.

What element type was used ?

What element options were used ?

What real constants were used ?

How many nodes and elements were created ?

What is the % error (SEPC) for your solution ?

What is the maximum deflection (in inches) ?

What is the maximum vonMises stress (psi) ?

Where does the maximum vonMises stress occur ?

What is the sum of forces on the model ?    S Fx =        S Fy =
     (Get the Reaction Solution from the General Postprocessor)