Carry out a finite element analysis to determine the stress distributions across the cylinder
wall when the internal pressure reaches a value, which will cause the material to start yielding
according to an appropriate elastic failure criterion. You are not expected to take temperature
effects into account in your analysis.
The design is now modified to enable cooling water to pass through the cylinder wall. The
water flows through six 40 mm diameter holes equally spaced on a 200 mm pitch circle
diameter and six 40 mm diameter holes equally spaced on a 320 mm pitch circle diameter.
The hole-patterns are offset by 30° relative to each other. Re-model and comment on the
effect that this modification has on the stress distributions. Predict the maximum pressure for
the new design and the same failure criterion as part A.
Your report should be a succinct account of how you approached both parts A & B and what you discovered (10 pages maximum). The following is a rough indication of the expected
content.
- You should explain your thought processes and reasoning behind your mesh design(s)
rather than describe the ANSYS commands in detail.
- You should demonstrate how you interpreted the FEA results and compared them with
theoretical expectations. You are free to compare results obtained by other students but you must reference their work.
- You should explain how you used the ANSYS error estimation facilities to effect change and report the outcome of your actions.
- Remember to reference all work that is not your own.
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