Recent advances in the application of discontinuity layout optimization to geotechnical limit analysis problems

C. C. Smith, M. Gilbert, S. J. Hawksbee, A. Babiker

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Discontinuity Layout Optimization (DLO) is a powerful computational limit analysis procedure which provides a valuable alternative to traditional analysis techniques. For example, compared with finite element analysis methods, a key benefit of DLO is its inherent ability to model singularities in the solution. In this paper recent advances are described, and results for a range of benchmark problems are presented. Advances described include: (i) modelling rotational failure mechanisms; (ii) modelling 3D problems; (iii) modelling non-associative friction. New solutions to the eccentrically loaded footing on a cohesive soil problem (VM and VHM) are presented, showing the evolution of the form of the failure mechanism with changing eccentricity. Additionally, new 3D and non-associative solutions are presented.

Original languageEnglish
Title of host publicationNumerical Methods in Geotechnical Engineering
Subtitle of host publicationProceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, NUMGE 2014
EditorsMichael A. Hicks, Ronald B. J. Brinkgreve, Alexander Rohe
PublisherCRC Press/Balkema
Pages415-420
Number of pages6
Volume1
ISBN (Electronic)9780429227011
ISBN (Print)9781138001466
Publication statusPublished - 29 May 2014
Externally publishedYes
Event8th European Conference on Numerical Methods in Geotechnical Engineering - Delft, Netherlands
Duration: 18 Jun 201420 Jun 2014
Conference number: 8

Conference

Conference8th European Conference on Numerical Methods in Geotechnical Engineering
Abbreviated titleNUMGE 2014
CountryNetherlands
CityDelft
Period18/06/1420/06/14

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