DEM Calibration and Hopper Geometry

Technical illustration comparing DEM-predicted powder flow in two hopper geometries. One hopper shows smooth discharge, while the other shows restricted flow and arching near the outlet, illustrating why calibration against one bulk test does not guarantee transferability to a different geometry.
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Martijn Daalder is the founder of PowderTechnology.info. He combines editorial experience with a strong industry network to publish practical, technically grounded content for professionals working with powders, granules, and bulk solids.