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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.6
Modelling, Analysis, Design and Optimisation of Shell Structures J. Ward, D. Thambiratnam and A. Nasir
School of Civil Engineering, Queensland University of Technology, Brisbane, Australia J. Ward, D. Thambiratnam, A. Nasir, "Modelling, Analysis, Design and Optimisation of Shell Structures", in B.H.V. Topping, B. Kumar, (Editors), "Optimization and Control in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 107-117, 1999. doi:10.4203/ccp.60.4.6
Abstract
This paper investigates the application of finite element
techniques to the modelling, analysis and design of thin
walled shell structures of revolution. The effects of
alterations in shell thickness are examined with regards to
both static and dynamic effects. A method of easily
generating finite element models with complex loading
conditions is developed involving the writing of pre and post
processors for the finite element analysis processor. This
allows the variation of design parameters such as shell
thickness and multiple analysis to be carried out
automatically. An attempt is made to carry out an automated
cost optimisation of an existing natural draft cooling tower
using the tools developed in conjunction with the FE analysis
package. Effects of thickness and shape variation in the
response of axisymmetric shell structures are also
investigated.
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