6 What are granular materials? Grains –natural –biological –man-made
7 Applications of granular materials geotechnical engineering geophysical flows bulk solids engineering chemical process engineering mining gas and oil production food-processing industry agriculture pharmaceutical industry
42 Tessellation in 3D Contact-based: polyhedral cells QUESTION 3: algorithm?
43 Summary Granular materials –Micromechanics Tessellations description of deformation Bagi’s expression reproduces macroscopic strain Isotropy in edge orientations Anisotropy in contact orientations Uniform strain for edges Non-uniform strain for contacts
44 Co-workers 2D tessellations –L. Rothenburg Department of Civil Engineering University of Waterloo Canada 3D tessellations –O. Durán & S. Luding Department of Mechanical Engineering University of Twente Netherlands
45 Questions To audience –Q1: fast contact-based tessellation in 2D? –Q2: why uniform strain for edges? –Q3: contact-based tessellation in 3D? To presenter