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Buckling Support Design: Mass, Cost, and Tank Thickness optimization in Structures

This project aims to optimize the support design for buckling in structures by minimizing mass and cost through the use of titanium rings. Tank thickness will be adjusted if necessary. Results have shown that no rings are needed for the test case. Future work includes verifying the method for use in the final design.

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Buckling Support Design: Mass, Cost, and Tank Thickness optimization in Structures

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  1. Steven Izzo2/21/2008StructuresBuckling Support Design Codewith help from Brandon White AAE 450 Spring 2008

  2. Outputs • Mass and cost of rings. • New tank thickness if necessary. • Method • For final design check. • Same buckling vs. applied stress from previous. • Titanium rings for minimum mass and volume. • Minimum ring size, then use cost functions. • If rings are very thin, change tank thickness instead. AAE 450 Spring 2008 Structures

  3. Results Ran for test case- no rings needed yet. Future Work Re-verify method to use in final design. AAE 450 Spring 2008 Structures

  4. Sources • Tank Code by Steven Hiu • Cost Codes by David Childers • Baker, E.H., Kovalevsky, L., Rish, F.L. Structural Analysis of Shells, Robert E. Krieger Publishing Company, Huntington, NY, 1981. • Bedford, A, Fowler, W, Liechti, K. Statics and Mechanics of Materials, Prentice Hall, Englewood Cliffs, NJ, 2002. • Bruhn, E.F. Analysis and Design of Flight Vehicle Structures, “Buckling Strength of Monocoque Cylinder”, S.R. Jacobs, 1973. • Green, E.A. & Coulon, J.F. “Cost Considerations using Titanium,” AIAA, New York, NY, 1967. • McMaster Carr online catalog http://www.mcmaster.com • Titanium Joe online catalog http://www.titaniumjoe.com AAE 450 Spring 2008

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