Implementation of non-trivial boundary conditions in MPM for geotechnical applications

Remmerswaal, G.; Bolognin, Marco; Vardon, Phil J.; Hicks, MA; Rohe, A.

Implementation of non-trivial boundary conditions in MPM for geotechnical applications

Conference paper (2019)

Authors

G. Remmerswaal

Marco Bolognin Hydraulic Structures and Flood Risk

Phil J. Vardon

MA Hicks

A. Rohe Deltares

Boundary conditions Slope Stability Material Point Method Geotechnical engineering practice

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Published Date

2019

Language

English

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Abstract

This paper describes current work on the implementation of non-trivial boundary conditions (BCs) for improving the general applicability of the Material Point Method (MPM) to geotechnical boundary values problems. It summarises novel boundary treatments (non-trivial BCs) in MPM for (i) flow conditions, as well as (ii) the application of a surface traction on a moving boundary for solid materials. Both treatments are required, for example, to estimate the consequence of slope failure in geotechnical engineering. the flow condition BCs have been used to stimulate a subcritical flow and the surface traction BC has been applied on top of aslope leading to failure. Both examples show that these new treatments are useful in solving practical problems.

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