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Optimising an output of a slip line field using a chaotic swamp optimisation algorithm
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Vo, Thanh Liem, Mac, Thi Ngoc and Do, Duy Minh (2022) Optimising an output of a slip line field using a chaotic swamp optimisation algorithm. Géotechnique Letters, 12 (2). pp. 1-8. doi:10.1680/jgele.21.00082 ISSN 2045-2543.
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Official URL: https://doi.org/10.1680/jgele.21.00082
Abstract
In solving earth pressure problems, many input parameters are needed to account for more realistic soil properties and complex boundary conditions. Finding an optimal output while considering many inputs can be costly and time consuming. The input parameters themselves may be significantly uncertain due to lack of laboratory test data and variations in design and construction stages. Adopting an optimisation technique can be useful in such a problem. In this study, a chaotic particle swamp optimisation algorithm is applied to three different earth pressure problems – that is, a retaining wall problem, a plane strain tunnel problem and a suffosion sinkhole problem, to determine their global optimal outputs and corresponding input parameters. The problems are solved using a slip line theory satisfying static equilibrium and the Mohr–Coulomb failure criterion. This improved particle swamp optimisation algorithm is found to show better performances, in accuracy and computational effort, compared to conventional Monte Carlo simulations.
Item Type: | Journal Article | ||||||||||
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Subjects: | Q Science > QA Mathematics T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Library of Congress Subject Headings (LCSH): | Earth pressure -- Mathematical models, Mathematical optimization, Algorithms | ||||||||||
Journal or Publication Title: | Géotechnique Letters | ||||||||||
Publisher: | Thomas Telford (ICE Publishing) | ||||||||||
ISSN: | 2045-2543 | ||||||||||
Official Date: | June 2022 | ||||||||||
Dates: |
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Volume: | 12 | ||||||||||
Number: | 2 | ||||||||||
Page Range: | pp. 1-8 | ||||||||||
DOI: | 10.1680/jgele.21.00082 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Copyright Holders: | ICE Publishing | ||||||||||
Date of first compliant deposit: | 27 May 2022 | ||||||||||
Date of first compliant Open Access: | 27 April 2023 |
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