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Finite element techniques for the analysis of cooling tower shells with geometric imperfections

Record type: Article

Two finite element methods for analysing geometrically imperfect cooling tower shells are presented. In the first the geometry of the imperfection is modelled by the elements; in the second the imperfection is represented by an equivalent load on the shell. Axisymmetric and general shell elements have been considered.

Results are given which show that the first approximation to the equivalent load is sufficiently accurate and that it is possible to represent local imperfections by axisymmetric imperfections which require less computation. It is also shown that axisymmetric elements should be used wherever possible, because of their greater efficiency, following the geometry of an axisymmetric imperfection but representing local imperfections by equivalent loads.

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Citation

Moy, S.S.J. and Niku, S.M. (1983) Finite element techniques for the analysis of cooling tower shells with geometric imperfections Thin Walled Structures,, 1, (3), pp. 239-264. (doi:10.1016/0263-8231(83)90009-5).

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Published date: 1983

Identifiers

Local EPrints ID: 74509
URI: http://eprints.soton.ac.uk/id/eprint/74509
PURE UUID: 48c3097d-c245-4808-bfc5-eb6fbc249fe0

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:46

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Contributors

Author: S.S.J. Moy
Author: S.M. Niku

University divisions


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