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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 39
ADVANCES IN FINITE ELEMENT TECHNOLOGY Edited by: B.H.V. Topping
Paper II.11
The Analysis and Design of Stiffened Shell Structures using Automatic Adaptive Mesh Generation and Error Estimators J.W. Bull*, L.Y. Li* and P. Bettess* and T. Bond#
*Engineering Design Centre, University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom
J.W. Bull, L.Y. Li, P. Bettess, T. Bond, "The Analysis and Design of Stiffened Shell Structures using Automatic Adaptive Mesh Generation and Error Estimators", in B.H.V. Topping, (Editor), "Advances in Finite Element Technology", Civil-Comp Press, Edinburgh, UK, pp 161-166, 1996. doi:10.4203/ccp.39.2.11
Abstract
This paper describes our research into producing an ultimate
state design tool for the analysis and design of stiffened shell
structures using an adaptive finite element analysis technique.
We developed a quadrilateral finite element mesh generator,
linked it to our linear finite element stiffened shell analysis
program and went on to develop an error estimator. This
program was integrated and has an adaptive mesh refinement
strategy that significantly improves adaptivity performance. The
program also has a higher error convergence rate than other
programs usually used. We know of no other integrated
program that can deal with arbitrary located stiffeners in shell
structures. Having successfully developed a linear integrated
program for stiffened shell we describe some of the development
of our non-linear integrated program.
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