Fracture toughness of mixed-mode anticracks in highly porous materials

V Adam, B Bergfeld, P Weißgraeber… - Nature …, 2024 - nature.com
When porous materials are subjected to compressive loads, localized failure chains,
commonly termed anticracks, can occur and cause large-scale structural failure. Similar to …

Bi‐linear laws govern the impacts of debris flows, debris avalanches, and rock avalanches on flexible barrier

Y Kong, M Guan, X Li, J Zhao… - Journal of Geophysical …, 2022 - Wiley Online Library
Geophysical mass flows impacting flexible barriers can create complex flow patterns and
multiway solid‐fluid‐structure interactions, wherein estimates of impact loads rely …

Numerical investigation of crack propagation regimes in snow fracture experiments

G Bobillier, B Bergfeld, J Dual, J Gaume… - Granular matter, 2024 - Springer
A snow slab avalanche releases after failure initiation and crack propagation in a highly
porous weak snow layer buried below a cohesive slab. While our knowledge of crack …

A depth‐averaged material point method for shallow landslides: Applications to snow slab avalanche release

L Guillet, L Blatny, B Trottet, D Steffen… - Journal of Geophysical …, 2023 - Wiley Online Library
Shallow landslides pose a significant threat to people and infrastructure. Despite significant
progress in the understanding of such phenomena, the evaluation of the size of the …

Using video detection of snow surface movements to estimate weak layer crack propagation speeds

R Simenhois, KW Birkeland, J Gaume… - Annals of …, 2025 - cambridge.org
Dry-snow slab avalanches release due to crack propagation in a weak snow layer under a
cohesive snow slab. Crack propagation speeds can provide insights into the potential size of …

Influence of slab depth spatial variability on skier-triggering probability and avalanche size

F Meloche, L Guillet, F Gauthier, A Langlois… - Annals of …, 2025 - cambridge.org
Spatial variability of snowpack properties adds uncertainty in the evaluation of avalanche
hazard. We propose a combined mechanical–statistical approach to study how spatial …

Dynamic imaging of force chains in 3D granular media

W Li, R Juanes - Proceedings of the National Academy of …, 2024 - National Acad Sciences
Granular media constitute the most abundant form of solid matter on Earth and beyond.
When external forces are applied to a granular medium, the forces are transmitted through it …

Temporal evolution of crack propagation characteristics in a weak snowpack layer: conditions of crack arrest and sustained propagation

B Bergfeld, A van Herwijnen… - … Hazards and Earth …, 2022 - nhess.copernicus.org
For a slab avalanche to release, the system, consisting of a weak layer below a cohesive
slab, must facilitate crack propagation over large distances–a process we call dynamic crack …

[HTML][HTML] Towards a predictive multi-phase model for alpine mass movements and process cascades

A Cicoira, L Blatny, X Li, B Trottet, J Gaume - Engineering Geology, 2022 - Elsevier
Alpine mass movements can generate process cascades involving different materials
including rock, ice, snow, and water. Numerical modelling is an essential tool for the …

How do earthquakes stop? Insights from a minimal model of frictional rupture

F Barras, K Thøgersen, E Aharonov… - Journal of Geophysical …, 2023 - Wiley Online Library
The question “what arrests an earthquake rupture?” sits at the heart of any potential
prediction of earthquake magnitude. Here, we use a one‐dimensional, thin‐elastic‐strip …