Numerical Modeling of Dense Snow Avalanches Using Upwinded Finite Difference Methods PDF Download
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Author: Perry Bartelt
Publisher:
ISBN:
Category :
Languages : en
Pages : 43
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Author: Perry Bartelt
Publisher:
ISBN:
Category :
Languages : en
Pages : 43
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Author: Martin Stoffel
Publisher: vdf Hochschulverlag AG
ISBN: 9783728130648
Category : Mathematics
Languages : en
Pages : 170
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Author: Guido Sartoris
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Author: Theodore Edmund Lang
Publisher:
ISBN:
Category : Avalanches
Languages : en
Pages : 28
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Author: Jordi Castello Sant
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The application of numerical methods to model snow avalanches is of vital importance since in recent years there has been a notable increase in people exposed to risk areas due to the practice of mountain sports. The creation of tools capable of forecasting and simulating avalanches represents a step forward in minimizing the personal and economic costs caused by these natural disasters. With the collaboration of the Institut Flumen and the hydraulic modelling software Iber, it has been possible to develop a valid application for the simulation of snow avalanches using finite volumes. On account of this, the friction terms of the Saint Venant equations were previously modified to be valid for describing the behaviour of these non-Newtonian fluids. This Thesis analyses the parameters of friction, cohesion and slope to study how they affect the descent of avalanches. In addition, the numerical scheme is extended by incorporating the parameter of entrainment and four equations are developed that depend, independently, on velocity, snow height and bed shear stress. Thenceforth, the model is calibrated, and the equations are compared taking into account the field data of an avalanche registered in the area of Vallter, located in the Pyrenees of Girona. Finally, once the model has been determined to be sufficiently robust, the event of a historical avalanche that occurred in the ancient village of Àrreu -Pyrenees of Lleida- where nineteen inhabitants lost their lives is studied. For the first time, a study is proposed on how this fateful event happened, taking into account the existing historical documentation, and different current methods of protection and containment are proposed to prevent it from happening again.
Author: S.P. Pudasaini
Publisher: Springer Science & Business Media
ISBN: 3540326871
Category : Science
Languages : en
Pages : 614
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Avalanches, mudflows and landslides are common and natural phenomena that occur in mountainous regions. With an emphasis on snow avalanches, this book provides a survey and discussion about the motion of avalanche-like flows from initiation to run out. An important aspect of this book is the formulation and investigation of a simple but appropriate continuum mechanical model for the realistic prediction of geophysical flows of granular material.
Author: Theodore Edmund Lang
Publisher:
ISBN:
Category : Avalanches
Languages : en
Pages : 60
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Author: T. E. Lang
Publisher: Forgotten Books
ISBN: 9781528021494
Category :
Languages : en
Pages : 62
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Excerpt from Numerical Simulation of Snow Avalanche Flow Many homes, lodges, and other structures are now being built in steep, snow-covered areas of the western U. S. Snow avalanches are a threat at many of these sites. Land managers, county commissioners, and other local authorities need information on the location of avalanche paths and the frequency and intensity of avalanches to safeguard the public and still permit orderly growth of mountain communities. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: International Conference on Numerical Modelling of River, Channel and Overland Flow for Water Resources and Environmental Applications
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Author: Richard Michael Oremus
Publisher:
ISBN:
Category : Avalanches
Languages : en
Pages : 128
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