Applications and advances in machine learning force fields

S Wu, X Yang, X Zhao, Z Li, M Lu, X Xie… - Journal of Chemical …, 2023 - ACS Publications
Force fields (FFs) form the basis of molecular simulations and have significant implications
in diverse fields such as materials science, chemistry, physics, and biology. A suitable FF is …

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 …

Analysis of mechanical properties and ontological relationships of snow crystals: Progress and prospects

X Chen, Z Xiao, X Dong - Cold Regions Science and Technology, 2024 - Elsevier
Snow is a heterogeneous material with intricate properties at both macroscopic and
microscopic levels. Its porous structure and polymorphism contribute to its enigmatic and …

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 …

Crack propagation speeds in weak snowpack layers

B Bergfeld, A van Herwijnen, G Bobillier… - Journal of …, 2022 - cambridge.org
For the release of a slab avalanche, crack propagation within a weak snowpack layer below
a cohesive snow slab is required. As crack speed measurements can give insight into …

Study on the constitutive equation and mechanical properties of natural snow under step loading

H Han, M Yang, X Liu, Y Li, G Gao, E Wang - Water, 2023 - mdpi.com
Snow, as an important component of the cryosphere, holds a crucial role in the construction
of polar infrastructure. However, the current research on the mechanical properties of snow …

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 …

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 …

Numerical investigation of the effect of cohesion and ground friction on snow avalanches flow regimes

C Ligneau, B Sovilla, J Gaume - PloS one, 2022 - journals.plos.org
With ongoing global warming, snow avalanche dynamics may change as snow cohesion
and friction strongly depend on temperature. In the field, a diversity of avalanche flow …