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Author: Ben Mullen, Cornell University
Problem Specification
1. Pre-Analysis & Start-Up
2. Geometry
3. Mesh
4. Setup (Physics)
5. Solution
6. Results
7. Verification & Validation
Setup (Physics)
Set Material Properties
Because the thickness of the blade varies, we need to set the material via commands. First, we will create a command that governs the outer surface of the blade.
Setup Varying Thickness function
Outer Surface
Now, we need to set up the varying thickness function governing the blade's thickness. To do this, we will need to open ANSYS APDL. To open, go to Start > All Programs > ANSYS 13.0 > Mechanical APDL (ANSYS). Once ANSYS APDL opens, go to Parameters > Functions > Define/Edit. The function that will drive the thickness is 0.030 - 0.00048485X where X is the distance from the origin along the X-axis. In the Result text box, type .03 - 0.00048485*, then, to input the x variable, open the drop down menu next that is defaulted to Time and change it to X.
Press ENTER. Then in the Function Editor window, go to File > Save. Change the Save as type to All Files, and name the file vth.txt. Once you save, you may close ANSYS APDL.