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- W2783608209 abstract "The present paper reports a novel behavior involving regular polygons with n sides and filled to varying degrees with granular materials. These are comprised of a set of hollow polygons produced on a 3D printer, and a single larger hollow hexagon fabricated with wooden sides and clear Plexiglas faces. Empty or full polygons stop immediately at shallow ramp angles, and roll the full length of the ramp for steep ramp angles, approaching a terminal velocity. This is consistent with results previously reported by other investigators of rolling solid polygons and partially filled cylinders. In contrast, partially filled polygons released at shallow ramp angles accelerate to a terminal velocity, but then come to an abrupt stop. The distance traveled is reproducible and dependent on the ramp angle, number of sides and the volume fill ratio and is minimized when filled to 0.4 of its total internal volume. For larger ramp angles, the partially filled polygons again approach a terminal velocity, but the terminal velocity is minimized, again near the fill ratio of 0.4. a simple model is introduced, but it is successful only in replicating the overall trend in velocity as a function of time for the large angle cases." @default.
- W2783608209 created "2018-01-26" @default.
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- W2783608209 date "2020-05-04" @default.
- W2783608209 modified "2023-09-26" @default.
- W2783608209 title "Rolling Polygons with Granular Material down an Incline" @default.
- W2783608209 doi "https://doi.org/10.48550/arxiv.2005.01545" @default.
- W2783608209 hasPublicationYear "2020" @default.
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