publication . Other literature type . Doctoral thesis . 2011 . Embargo end date: 25 Jan 2011

Three-dimensional structural image analysis and mechanics of snow

Theile, Thiemo;
Open Access English
  • Published: 25 Jan 2011
  • Publisher: Technische Universität Dortmund
  • Country: Germany
Abstract
Summary This work deals with the problem of predicting the mechanical behaviour of dry snow based on the geometries and properties of its constituents. This approach is known as homogenisation. The main constituents of dry snow are ice and air. Their geometry, i.e. the microstructure, varies widely depending on the type of snow. The shape of individual, sintered snow grains varies and may take the form of stellar crystals, rounded and facetted grains or depth hoar crystals. The porosity (air fraction) ranges from 15% for dense firn to 95% for fresh snow. This wide range of microstructures and porosities is associated with a variety of mechanical properties. For ...
Subjects
free text keywords: snow, image analysis, creep, contact mechanics, microstructure, 620, 670, info:eu-repo/classification/ddc/620, info:eu-repo/classification/ddc/670
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publication . Other literature type . Doctoral thesis . 2011 . Embargo end date: 25 Jan 2011

Three-dimensional structural image analysis and mechanics of snow

Theile, Thiemo;