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Efectos de la angularidad de las partículas en la autoorganización granular
Dominik Krengel1, Haoran Jiang2, Takashi Matsushima3
1Tokyo University of Marine Science and Technology, Department of Marine Resources and Energy, 4-5-7, Konan, Minato 108-8477, Tokyo, Japan.
Physical review. E
|December 23, 2025
Resumen
La angularidad de las partículas no afecta la autoorganización en sistemas 2D, pero el aumento de la angularidad hace que la distribución de tensiones sea sensible a la fricción. Esto impacta la comprensión de los materiales granulares y la mecánica celular.
Sus antecedentes:
- Los sistemas bidimensionales de discos polidispersos exhiben autoorganización coordinada de tensiones y formas celulares.
- Las distribuciones a menudo colapsan en una forma maestra a través de varios parámetros como el tamaño, la fricción y el orden.
- La influencia de la forma de las partículas, específicamente la angularidad, en estos fenómenos de autoorganización requiere una mayor investigación.
Conclusiones:
- La autoorganización fundamental de la tensión y la forma en sistemas granulares 2D, caracterizada por colapsos de distribución maestra, es en gran medida independiente de la angularidad de las partículas y la fricción.
- Sin embargo, la sensibilidad de estos colapsos de distribución a la fricción aumenta con la angularidad de las partículas, lo que sugiere una interacción más compleja en angularidades más altas.
- Los hallazgos contribuyen a la comprensión de la mecánica de los materiales granulares y los sistemas de materia blanda donde la forma de las partículas juega un papel crucial.
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