Numerical determination of soil deformations around a penetrating object in 2D and 3D models
Farhangi, S., Richards, D.J. and Clayton, C.R.I. (2006) Numerical determination of soil deformations around a penetrating object in 2D and 3D models. In, Numerical Methods in Geotechnical Engineering: Sixth European Conference. 6th European Conference on Numerical Methods in Geotechnical Engineering , Taylor & Francis, 707-712.
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Various numerical methods have been employed to determine soil deformations around penetrating objects. However, due to the extensive computational resource requirements for 3D analysis, soil deformations are usually estimated from 2D analysis. The adequacy of estimating soil deformations around a 3D penetrating object with a 2D plane-strain analysis has been evaluated using FLAC and FLAC3D. The modelling strategy and the use of interface elements in these programs for simulating penetration are outlined. The comparison of strain paths determined from 3D and 2D analyses illustrates the existence of an out of plane deformation component and shows that soil deformations around a 3D geometry with a finite width cannot be estimated solely by a plane-strain analysis. In addition, it is observed that new modelling techniques such as the explicit finite difference formulation can be used to analyze three-dimensional penetration problems.
|Item Type:||Book Section|
Q Science > QE Geology
T Technology > TA Engineering (General). Civil engineering (General)
|Divisions:||University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||29 Jul 2008|
|Last Modified:||02 Mar 2012 13:09|
|Contributors:||Farhangi, S. (Author)
Richards, D.J. (Author)
Clayton, C.R.I. (Author)
|Publisher:||Taylor & Francis|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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