Modelling cliff collapse and run-out with the material point method [dataset]

Sutcliffe, Sam (Durham University, UK); Duddu, Ravindra (Vanderbilt University, USA); Zhang, Wangcheng (Durham University, UK); Augarde, Charles (Durham University, UK); Coombs, William (Durham University, UK)

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Modelling cliff collapse and run-out with the material point method [dataset] Open Access

This paper proposes a method for modelling the combined collapse and large deformation run-out of cliffs using the Material Point Method (MPM). An explicit dynamic MPM formulation is derived with features key for simulating ductile-brittle fracture dynamics over varying timescales. An isotropic non-local plastic-damage scheme is presented that may be used to simulate crack initiation and growth leading to brittle collapse of a cliff. The scheme is applicable to both quasi-static and dynamic cases. The behaviour of the proposed plastic-damage model is compared to experimental data utilising numerical shear-box tests. A numerical case study is carried out on a real-world chalk cliff to show the model's applicability to rock-slope mechanics in both failure initiation and post-failure run-out.

Descriptions

Resource type: Dataset
Contributors: Creator: Sutcliffe, Sam ¹
Contact person: Sutcliffe, Sam ¹
Creator: Coombs, William ¹
Creator: Zhang, Wangcheng ¹
Creator: Duddu, Ravindra ²
Creator: Augarde, Charles ¹

¹ Durham University, UK
² Vanderbilt University, USA
Funder: Durham University
Research methods: Material Point Method
Other description: This file contains the dataset for the paper to be published in computers and geotechnics.
Keyword: Material Point Method
post-failure
large deformation
cliff collapse
plastic-damage
Subject: Material point method
Location
Language: English
Cited in
Identifier: ark:/32150/r2rn301147g
doi:10.15128/r2rn301147g
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
Date Created: 2025-09-12

File Details

Depositor: S.J.V. Sutcliffe
Date Uploaded: 12 September 2025, 13:09:10
Date Modified: 15 September 2025, 14:09:54
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Characterization: File format: zip (ZIP Format)

Mime type: application/zip

File size: 1689655186

Last modified: 2025:09:15 12:37:09+01:00

Filename: modelling_chalk_cliffs_data.zip

Original checksum: 5630e6b40203bd37837f7394cb556e00

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