[HTML][HTML] Investigating the release and flow of snow avalanches at the slope-scale using a unified model based on the material point method
Snow slab avalanches start with a failure in a weak snow layer buried below a cohesive
snow slab. After failure, the very porous character of the weak layer leads to its volumetric …
snow slab. After failure, the very porous character of the weak layer leads to its volumetric …
Numerical investigation of crack propagation regimes in snow fracture experiments
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 …
porous weak snow layer buried below a cohesive slab. While our knowledge of crack …
Micro-mechanical insights into the dynamics of crack propagation in snow fracture experiments
Dry-snow slab avalanches result from crack propagation in a highly porous weak layer
buried within a stratified and metastable snowpack. While our understanding of slab …
buried within a stratified and metastable snowpack. While our understanding of slab …
Influence of slab depth spatial variability on skier-triggering probability and avalanche size
F Meloche, L Guillet, F Gauthier, A Langlois… - Annals of …, 2024 - 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 …
hazard. We propose a combined mechanical–statistical approach to study how spatial …
[HTML][HTML] Assessing snow instability in skier-triggered snow slab avalanches by combining failure initiation and crack propagation
Dry-snow slab avalanches start with a local failure in a weak snowpack layer buried below
cohesive snow slab layers. If the size of the failed zone exceeds a critical size, rapid crack …
cohesive snow slab layers. If the size of the failed zone exceeds a critical size, rapid crack …
[HTML][HTML] A theoretical framework for dynamic anticrack and supershear propagation in snow slab avalanches
Snow slab avalanches release after the failure and collapse of a weak layer buried below a
cohesive snow slab. The initial failure is induced by local overloading of the slab, such that …
cohesive snow slab. The initial failure is induced by local overloading of the slab, such that …
Predicting mixed mode damage propagation in snowpack using the extended cohesive damage element method
A novel extended cohesive damage element method is used to develop a numerical
snowpack model to study the fundamental damage mechanisms of snowpack under …
snowpack model to study the fundamental damage mechanisms of snowpack under …
How hard do avalanche practitioners tap during snow stability tests?
HB Toft, SV Verplanck… - Natural Hazards and Earth …, 2024 - nhess.copernicus.org
This study examines the impact force applied from hand taps during extended column tests
(ECTs), a common method of assessing snow stability. The hand-tap loading method has …
(ECTs), a common method of assessing snow stability. The hand-tap loading method has …
Supershear crack propagation in snow slab avalanche release: new insights from numerical simulations and field measurements
The release process of dry-snow slab avalanches begins with a localized failure within a
porous, weak snow layer that lies beneath a cohesive slab. Subsequently, rapid crack …
porous, weak snow layer that lies beneath a cohesive slab. Subsequently, rapid crack …
Modeling crack arrest in snow slab avalanches--towards estimating avalanche release sizes
F Meloche, G Bobillier, L Guillet, F Gauthier… - arXiv preprint arXiv …, 2024 - arxiv.org
Dry-snow slab avalanches are considered to be the most difficult to predict, yet the deadliest
avalanche types. The release of snow slab avalanches starts with a initial failure in a weak …
avalanche types. The release of snow slab avalanches starts with a initial failure in a weak …