Search Results - "Hagenmuller, P."

Microstructure-based modeling of snow mechanics: a discrete element approach by Hagenmuller, P, Chambon, G, Naaim, M

“…Rapid and large deformations of snow are mainly controlled by grain rearrangements, which occur through the failure of cohesive bonds and the creation of new…”
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Influence of Porosity on Ice Dynamic Tensile Behavior as Assessed by Spalling Tests by Georges, D., Saletti, D., Montagnat, M., Forquin, P., Hagenmuller, P.

“…The impact of ice on structures is a strong concern, in particular for aeronautical or space crafts that are strongly damaged by the impact of atmospheric ice,…”
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Graphite intercalation compounds of platinum-metal and gold fluorides by Tressaud, A., Hagenmuller, P.

“…Intercalation of platinum-metal fluorides into graphite has been carried out using either the gas–solid reaction with gaseous RuF 5 or OsF 5, or the…”
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Impedance-Spectroscopy Analysis of a LiTaO3-Type Single Crystal by Ming, Dong, Reau, J.M., Ravez, J., Gitae, Joo, Hagenmuller, P.

“…Low-frequency dielectric dispersion phenomena in a LiTaO3-type single crystal have been analyzed by impedance spectroscopy in directions parallel and…”
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Impact of water vapor diffusion and latent heat on the effective thermal conductivity of snow by Fourteau, Kévin, Domine, Florent, Hagenmuller, Pascal

“…Heat transport in snowpacks is understood to occur through the two processes of heat conduction and latent heat transport carried by water vapor, which are…”
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Macroscopic water vapor diffusion is not enhanced in snow by Fourteau, Kévin, Domine, Florent, Hagenmuller, Pascal

“…Water vapor transport in dry snowpacks plays a significant role for snow metamorphism and the mass and energy balance of snowpacks. The molecular diffusion of…”
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Combining modelled snowpack stability with machine learning to predict avalanche activity by Viallon-Galinier, Léo, Hagenmuller, Pascal, Eckert, Nicolas

“…Predicting avalanche activity from meteorological and snow cover simulations is critical in mountainous areas to support operational forecasting. Several…”
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The S2M meteorological and snow cover reanalysis over the French mountainous areas: description and evaluation (1958–2021) by Vernay, Matthieu, Lafaysse, Matthieu, Monteiro, Diego, Hagenmuller, Pascal, Nheili, Rafife, Samacoïts, Raphaëlle, Verfaillie, Deborah, Morin, Samuel

“…This work introduces the S2M (SAFRAN–SURFEX/ISBA–Crocus–MEPRA) meteorological and snow cover reanalysis in the French Alps, Pyrenees and Corsica, spanning the…”
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Microstructure-based modelling of snow mechanics: experimental evaluation of the cone penetration test by Herny, Clémence, Hagenmuller, Pascal, Chambon, Guillaume, Peinke, Isabel, Roulle, Jacques

“…Snow is a complex porous material presenting a variety of microstructural patterns. This microstructure largely controls the mechanical properties of snow,…”
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Can Saharan dust deposition impact snowpack stability in the French Alps? by Dick, Oscar, Viallon-Galinier, Léo, Tuzet, François, Hagenmuller, Pascal, Fructus, Mathieu, Reuter, Benjamin, Lafaysse, Matthieu, Dumont, Marie

“…Saharan dust deposits can turn snow-covered mountains into a spectacular orange landscape. When avalanches release, a formerly buried dust layer can become…”
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A finite-element framework to explore the numerical solution of the coupled problem of heat conduction, water vapor diffusion, and settlement in dry snow (IvoriFEM v0.1.0) by Brondex, Julien, Fourteau, Kévin, Dumont, Marie, Hagenmuller, Pascal, Calonne, Neige, Tuzet, François, Löwe, Henning

“…The poor treatment (or complete omission) of water vapor transport has been identified as a major limitation suffered by currently available snowpack models…”
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Numerical simulation of microstructural damage and tensile strength of snow by Hagenmuller, Pascal, Theile, Thiemo C., Schneebeli, Martin

“…This contribution uses finite‐element analysis to simulate microstructural failure processes and the tensile strength of snow. The 3‐D structure of snow was…”
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Stochastic analysis of micro-cone penetration tests in snow by Lin, Pyei Phyo, Peinke, Isabel, Hagenmuller, Pascal, Wächter, Matthias, Rahimi Tabar, M. Reza, Peinke, Joachim

“…Cone penetration tests have long been used to characterize snowpack stratigraphy. With the development of sophisticated digital penetrometers such as the…”
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Evaluation of an ambulatory device, CID 102, in the diagnosis of obstructive sleep apnoea syndrome by Van Surell, C, Lemaigre, D, Leroy, M, Foucher, A, Hagenmuller, MP, Raffestin, B

“…Diagnosis of obstructive sleep apnoea syndrome (OSAS) is usually performed during overnight polysomnography in the sleep laboratory. In an attempt to simplify…”
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Experimental and model-based investigation of the links between snow bidirectional reflectance and snow microstructure by Dumont, Marie, Flin, Frederic, Malinka, Aleksey, Brissaud, Olivier, Hagenmuller, Pascal, Lapalus, Philippe, Lesaffre, Bernard, Dufour, Anne, Calonne, Neige, Rolland du Roscoat, Sabine, Ando, Edward

“…Snow stands out from materials at the Earth’s surface owing to its unique optical properties. Snow optical properties are sensitive to the snow microstructure,…”
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Correlations between clusterization and electrical properties within fluorite-type anions excess solid solutions: Setting of a model by Reau, J. M., Hagenmuller, P.

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Snow as a granular material: assessment of a new grain segmentation algorithm by Hagenmuller, Pascal, Chambon, Guillaume, Flin, Frédéric, Morin, Samuel, Naaim, Mohamed

“…Rapid deformations in snow are mainly controlled by particle rearrangements and contact interactions. To study this deformation regime, the description of the…”
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Sensitivity of snow density and specific surface area measured by microtomography to different image processing algorithms by Hagenmuller, Pascal, Matzl, Margret, Chambon, Guillaume, Schneebeli, Martin

“…Microtomography can measure the X-ray attenuation coefficient in a 3-D volume of snow with a spatial resolution of a few microns. In order to extract…”
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The M1-xM″xF2+2x (M = Ca, Sr, Ba, Pb ; M″ = Th, U) solid solutions : electrical properties and clustering processes by REAU, J. M, XU YONG JUN, SENEGAS, J, HAGENMULLER, P

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Characterization of the snow microstructural bonding system through the minimum cut density by Hagenmuller, Pascal, Calonne, Neige, Chambon, Guillaume, Flin, Frédéric, Geindreau, Christian, Naaim, Mohamed

“…Snow density is commonly used to phenomenologically parameterize other snow properties such as strength or thermal conductivity. However, density is…”
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