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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 60
OPTIMIZATION AND CONTROL IN CIVIL AND STRUCTURAL ENGINEERING
Edited by: B.H.V. Topping and B. Kumar
Paper IV.4

Optimising the Shape of Welded Plates using the Self Designing Structures Approach

J.W. Bull* and K.H. Lim+

*Engineering Design Centre, University of Newcastle upon Tyne, England
+Department of Mechanical Engineering, Hankuk Aviation University, Korea

Full Bibliographic Reference for this paper
J.W. Bull, K.H. Lim, "Optimising the Shape of Welded Plates using the Self Designing Structures Approach", in B.H.V. Topping, B. Kumar, (Editors), "Optimization and Control in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 89-94, 1999. doi:10.4203/ccp.60.4.4
Abstract
This research was designed to compare the results of the Self-Designing Structures hard kill optimisation method with the ANSYS optimisation module for a cover plate welded to a base plate. Both methods give similar results. The results showed that a number of 'optimal' solutions are available depending on the requirements of the designer. The first 'optimal' solution occurred when the cover plate thickness was reduced to the leg length of the weld. The second 'optimal' solution occurred when the cover plate was welded to the base plate only on the side parallel to the loaded edge. The third 'optimal' solution occurred when the cover plate was not welded to the base plate at all. We found the Self-Designing Structures hard kill method was the more versatile of the two programs.

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