Simulation of penetration problems in geomechanics

Antonio Gens, Marcos Arroyo, Josep Maria Carbonell, Matteo Ciantia, Lluís Monforte

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

The simulation of penetration problems in geomaterials is a challenging problem as it involves large deformations and displacements as well as strong non-linearities affecting material behaviour, geometry and contact surfaces. The paper presents examples of modelling of the cone penetration test using two procedures: a discrete approach and a continuum approach. The discrete approach is based on the Discrete Element Method where a granular material is represented by an assembly of separate particles. Cone penetration has been successfully simulated for the case of crushable sands. For the continuum approach, the Particle Finite Element Method has been adopted. The procedure has been effectively applied to the modeling of undrained cone penetration into clays. Although not exempt of problems, both approaches yield realistic results leading to the possibility of a closer examination and an enhanced understanding of the mechanisms underlying penetration problems in geomechanics.
Original languageEnglish
Title of host publicationProceedings of the 14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017
EditorsE. Oñate, D.R.J. Owen, D. Peric, M. Chiumenti
Place of PublicationBarcelona
PublisherInternational Center for Numerical Methods in Engineering
Pages25-33
Number of pages9
Volume2017-January
Edition1
ISBN (Electronic)9788494690969
Publication statusPublished - Jul 2017
Event14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017 - Barcelona, Spain
Duration: 5 Sep 20177 Sep 2017

Conference

Conference14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017
CountrySpain
CityBarcelona
Period5/09/177/09/17

Keywords

  • Clays
  • Cone penetration
  • Crushable sands
  • Discrete element method
  • Particle finite element method

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