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Article overview
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Triangular avalanches and uphill instabilities | Jean-Philippe Bouchaud
; Michael Cates
; | Date: |
14 Dec 1997 | Subject: | Soft Condensed Matter | cond-mat.soft | Affiliation: | Saclay), Michael Cates (Edimburg | Abstract: | Recent experiments show that an avalanche initiated from a point source propagates downwards by invading a triangular shaped region. The opening angle of this triangle appears to reach 180$^o$ for a critical inclination of the pile, beyond which avalanches also propage upwards. We propose a simple interpretation of these observations, based on an extension of a phenomenological model for surface flows. | Source: | arXiv, cond-mat/9801132 | Services: | Forum | Review | PDF | Favorites |
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