Karola Dierichs; Aggregate Architectures; Institute for Computational; Design (ICD); University of Stuttgart; Sand; Non-Newtonian liquids; Jie Ren and Joshua Dijksman; Granular Force Network; Center for Nonlinear and Complex Systems; Duke University; Durham; North Carolina; Friction; Interacting; Snow Crystals; Electron and Confocal Microscopy Laboratory; Agricultural Research Service; US Department of Agriculture; Beltsville; Maryland; Photoelastic materials; Machine computation; Molecular dynamics (MD); Discrete element method (DEM); Event-driven molecular dynamics (ED); Florian Fleissner; Gerard de Josselin de Jong and Arnold Verruijt; Peter A Cundall and Otto D L Strack; Discrete Element Modelling; Delft; London-Minneapolis; Discrete simulation Monte Carlo (DSMC); Six-axis robot; Pouring processes; Anette Scheider; Institute of Engineering Geodesy (IIGS)