Numerical simulation of in-situ free fall cone penetrometer tests using the material point method

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Abstract

This paper proposes a numerical framework to simulate in-situ free fall cone penetration tests conducted on soft and sensitive marine clay. First, the free fall cone penetration tests are carried out at an offshore site in the northern part of the Gulf of Finland, Baltic Sea. The numerical simulation employs the Generalized Interpolation Material Point Method to replicate the process of indentation of the cone penetrometer into the clay. The clay is modelled using an advanced constitutive model that considers the effect of strain rate and strain softening associated with the dynamic penetration process. The simulation uses a friction contact model to represent the interface between the cone penetrometer and the clay. The numerical simulation accurately replicates the penetration process associated with the tests.
Original languageEnglish
Title of host publicationUK Association for Computational Mechanics
EditorsWilliam M. Coombs
PublisherDurham University
ChapterGeotechnical Modelling 3: MPM, PFEM and Soil-Structural Interaction
Pages157-160
Number of pages4
Edition2024
Publication statusPublished - 12 Apr 2024
MoE publication typeD3 Professional conference proceedings
EventUK Association for Computational Mechanics Conference - Durham, United Kingdom
Duration: 10 Apr 202412 Apr 2024
Conference number: 32

Conference

ConferenceUK Association for Computational Mechanics Conference
Abbreviated titleUKACM
Country/TerritoryUnited Kingdom
CityDurham
Period10/04/202412/04/2024

Keywords

  • free fall cone penetrometer test
  • Generalized Interpolation Material Point Method
  • contact problems
  • strain rate
  • destructuration

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