An assessment of the material point method for modelling large scale run-out processes in landslides

作者：Llano Serna Marcelo A^*; Farias Marcio M; Pedroso Dorival M

来源：Landslides, 2016, 13(5): 1057-1066.

DOI：10.1007/s10346-015-0664-4

• Numerical modelling
• Material point method
• Run-out
• Tokai-Hokuriku failure
• Vajont landslide

This paper demonstrates the predictive capabilities of a numerical model based on continuum mechanics for the simulation of run-out processes during landslides. It assesses a particle-based method that takes advantage of a double Lagrangian-Eulerian discretization and known as the material point method (MPM). Attention is given to the post-failure behaviour and, in particular, to the computation of important quantities such as run-out distance, maximum velocity and energy release. The MPM is a step forward in computational solid mechanics and has the potential to simulate large deformations such as those occurring during landslides. A validation is conducted based on simulations of two case studies of different scales, namely the Tokai-Hokuriku expressway failure in Japan and the Vajont landslide in Italy. The results show a very good agreement with field and other numerical observations.

• 出版日期2016-10