Rainfall-induced slope collapse with coupled material point method

B Wang, PJ Vardon, MA Hicks - Engineering Geology, 2018 - Elsevier
Rainfall-induced slope failures are a major category of slope failure, with incidents likely to
increase with the predicted escalation of extreme rainfall events. Traditional numerical …

Roles of model size and particle size distribution on macro-mechanical properties of Lac du Bonnet granite using flat-joint model

K Li, Y Cheng, X Fan - Computers and Geotechnics, 2018 - Elsevier
In this study, a new calibration procedure was proposed to calibrate the micro-parameters
for the flat-joint model. Both uniaxial compression and Brazilian test simulations were …

Smoothed particle finite-element method for large-deformation problems in geomechanics

W Zhang, W Yuan, B Dai - International Journal of Geomechanics, 2018 - ascelibrary.org
This study presents a novel smoothed particle FEM (SPFEM) for large-deformation problems
in geomechanics. Within the framework of the particle FEM (PFEM), a strain smoothing …

Impact forces of granular flows on rigid structures: comparison between discontinuous (DEM) and continuous (MPM) numerical approaches

F Ceccato, I Redaelli, C di Prisco, P Simonini - Computers and Geotechnics, 2018 - Elsevier
The evaluation of forces due to the impact of flow-slides against structures is essential for
both risk assessment and protection structure design. However, the impact process is very …

Precursors of instability in a natural slope due to rainfall: a full-scale experiment

A Askarinejad, D Akca, SM Springman - Landslides, 2018 - Springer
A full-scale landslide-triggering experiment was conducted on a natural sandy slope
subjected to an artificial rainfall event, which resulted in mobilisation of 130 m 3 of soil mass …

Imposition of essential boundary conditions in the material point method

M Cortis, W Coombs, C Augarde… - International Journal …, 2018 - Wiley Online Library
There is increasing interest in the material point method (MPM) as a means of modelling
solid mechanics problems in which very large deformations occur, eg in the study of …

Modelling soil-water interaction with the material point method. Evaluation of single-point and double-point formulations

F Ceccato, A Yerro, M Martinelli - Numerical Methods in …, 2018 - taylorfrancis.com
Many problems in geotechnical engineering involve large deformations and soil-water
interactions, which pose challenging issues in computational geomechanics. In the last …

Large deformation poromechanics with local mass conservation: An enriched Galerkin finite element framework

J Choo - International Journal for Numerical Methods in …, 2018 - Wiley Online Library
Numerical modeling of large deformations in fluid‐infiltrated porous media must accurately
describe not only geometrically nonlinear kinematics but also fluid flow in heterogeneously …

Large scale parallelisation of the material point method with multiple GPUs

Y Dong, J Grabe - Computers and Geotechnics, 2018 - Elsevier
The material point method (MPM), which is a combination of the finite element and meshfree
methods, suffers from significant computational workload due to the fine mesh required in …

Back-analysis of geophysical flows using three-dimensional runout model

RCH Koo, JSH Kwan, C Lam… - Canadian …, 2018 - cdnsciencepub.com
Predicting the mobility and delineating the extent of geophysical flows remains a challenge
for engineers. The accuracy of predictions hinges on the reliability of input parameters of …