eprintid: 10200017
rev_number: 9
eprint_status: archive
userid: 699
dir: disk0/10/20/00/17
datestamp: 2024-11-13 09:36:58
lastmod: 2024-11-13 09:36:58
status_changed: 2024-11-13 09:36:58
type: proceedings_section
metadata_visibility: show
sword_depositor: 699
creators_name: Xie, Mian
creators_name: Navas, Pedro
creators_name: Lopez-Querol, Susana
title: Numerical Simulation of Landslides through a Stabilised Material Point Method with SANISAND Model
ispublished: pub
divisions: UCL
divisions: B04
divisions: F44
note: https://creativecommons.org/licenses/by/4.0/
abstract: This research presents a new semi-implicit two-phase double-point MPM formulation for modelling
large-deformation geotechnical problems such as landslides. The proposed method addresses instabilities in traditional single-point MPM by using distinct sets of material points to model the soil and
water phases separately (double-point approach). A modified F-bar technique is derived to stabilise
advanced soil constitutive models such as SANISAND, allowing for a more realistic simulation of soil
behaviour. The water phase is solved implicitly, enabling significantly longer time steps compared to
fully explicit MPM approaches. Landslide examples using the SANISAND constitutive model are presented in this paper, demonstrating the performance of the modified F-bar method and highlighting
the importance of the double-point approach.
date: 2024-07-26
date_type: published
publisher: University of Cambridge
official_url: https://doi.org/10.17863/CAM.111018
oa_status: green
full_text_type: pub
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 2334921
doi: 10.17863/CAM.111018
lyricists_name: Xie, Mian
lyricists_id: MXIEX05
actors_name: Xie, Mian
actors_id: MXIEX05
actors_role: owner
full_text_status: public
pres_type: paper
publication: 17th BGA Young Geotechnical Engineers Symposium
pagerange: 117-118
event_title: 17th BGA Young Geotechnical Engineers Symposium
book_title: 17th BGA Young Geotechnical Engineers Symposium
editors_name: Viggiani, Giulia
editors_name: Madabhushi, Gopal
citation:        Xie, Mian;    Navas, Pedro;    Lopez-Querol, Susana;      (2024)    Numerical Simulation of Landslides through a Stabilised Material Point Method with SANISAND Model.                     In: Viggiani, Giulia and Madabhushi, Gopal, (eds.) 17th BGA Young Geotechnical Engineers Symposium.  (pp. pp. 117-118).  University of Cambridge       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/10200017/1/yges2024_MIAN_XIE_UCL_Final.pdf