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Your search for Keyword "discrete element"resulted in 8 records.

Title: NEW INSIGHTS INTO SNOW AVALANCHE DYNAMICS AND ENTRAINMENT MECHANISMS FROM DEPTH-RESOLVED PARTICLE-BASED SIMULATIONS: Date: 2024-09-23; Authors: Johan Gaume, Camille Ligneau, Camille Huitorel, Xingyue Li, Michael Kyburz, Betty Sovilla, Lars Blatny, Hervé Vicari; Description: In mountainous regions, snow avalanches pose significant threats to both populations and infrastructure. As the flow progresses, it can accumulate ad...; Object ID: ISSW2024_O2.5.pdf; Keywords: avalanche dynamics, erosion, entrainment, modeling, material point method, discrete element method; View additional details about NEW INSIGHTS INTO SNOW AVALANCHE DYNAMICS AND ENTRAINMENT MECHANISMS FROM DEPTH-RESOLVED PARTICLE-BASED SIMULATIONS

Title: Avalanche pressures at the VallÃ©e de la test site: Interaction of avalanches and narrow structures studied with DEM: Date: 2018-10-07; Authors: Michael Kyburz, Betty Sovilla, Johan Gaume, Christophe Ancey; Description: Recent advances in full-scale avalanche measurements have led to a better understanding of the avalanche flow dynamics. However, the processes involve...; Object ID: ISSW2018_P01.5.pdf; Keywords: avalanche, pressure, obstacle, avalanche dynamics, discrete element method.; View additional details about Avalanche pressures at the VallÃ©e de la test site: Interaction of avalanches and narrow structures studied with DEM

Title: Modelling snow avalanches with MWDiEM: Date: 2018-10-07; Authors: Katalin Gillemot, David Visontai; Description: MWDiEM is a new open-source, discrete element model based numerical tool, that is able to effectively model the dynamics of polyhedral and spherical g...; Object ID: ISSW2018_P08.20.pdf; Keywords: snow avalanche dynamics, discrete element method, granular particles, runout zone, segregation, numerical simulation; View additional details about Modelling snow avalanches with MWDiEM

Title: Modelling the propagation saw test with discrete elements: Date: 2018-10-07; Authors: GrÃ©goire Bobillier, Johan Gaume, Alec van Herwijnen, JÃ¼rg Dual, JÃ¼rg Schweizer; Description: Dry-snow slab avalanche release is a multi-scale fracture process. It starts with the formation of a localized failure in a highly porous weak snow la...; Object ID: ISSW2018_P10.23.pdf; Keywords: dry-snow slab avalanche, discrete element method, crack propagation; View additional details about Modelling the propagation saw test with discrete elements

Title: Discrete Element Modeling of Crack Propagation in Weak Snowpack Layers: Date: 2014-09-29; Authors: Johan Gaume, Alec van Herwijnen, JÃ¼rg Schweizer, Guillaume Chambon, Karl W. Birkeland; Description: Dry-snow slab avalanches are generally caused by a sequence of fracture processes including (1) failure initiation in a weak snow layer underlying a c...; Object ID: ISSW14_paper_O6.02.pdf; Keywords: snow avalanche, crack propagation, pst, discrete element modeling, slab, weak layer; View additional details about Discrete Element Modeling of Crack Propagation in Weak Snowpack Layers

Title: On the Failure Criterion of Weak Snowpack Layers Using the Discrete Element Method: Date: 2014-09-29; Authors: Johan Gaume, Guillaume Chambon, Ingrid Reiweger, Alec van Herwijnen, JÃ¼rg Schweizer; Description: The release of dry-snow slab avalanches start with a local failure in a weak snow layer underlying a cohesive slab followed by crack propagation withi...; Object ID: ISSW14_paper_P2.11.pdf; Keywords: snow avalanche, failure criterion, mohr-coulomb, crack propagation, discrete element modeling, snow slab, weak layer.; View additional details about On the Failure Criterion of Weak Snowpack Layers Using the Discrete Element Method

Title: Granulation of Snow: Experiments and Discrete Element Modeling: Date: 2014-09-29; Authors: Walter Steinkogler, Johan Gaume, Henning LÂ¨owe, Betty Sovilla, Michael Lehning; Description: The flow dynamics of snow avalanches can strongly differ for individual avalanches even if the release conditions are similar. The development of diff...; Object ID: ISSW14_paper_P2.24.pdf; Keywords: granulation of snow, temperature, tumbler experiment, discrete element simulation.; View additional details about Granulation of Snow: Experiments and Discrete Element Modeling

Title: Discrete Element Modelling to Compute Drag Coefficients of Obstacles Impacted by Granular Flows: Date: 2009; Authors: Lionel Favier, Dominique Daudon, Frederic Donze, Jacky Mazars; Description: Passive protection structures against natural granular flows (snow avalanches, debris flow) are designed with a rough approximation of their drag coef...; Object ID: issw-2009-0500-0504.pdf; Keywords: granular flow, discrete element, obstacle, drag coefficient; View additional details about Discrete Element Modelling to Compute Drag Coefficients of Obstacles Impacted by Granular Flows