UNSPECIFIED (2000) Inverse cascade avalanche model with limit cycle exhibiting period doubling, intermittency, and self-similarity. PHYSICAL REVIEW E, 62 (2 Part A). pp. 1905-1911. ISSN 1063-651X

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Abstract

A one-dimensional avalanche "sandpile" algorithm is presented for transport in a driven dissipative confinement system. Sand is added at the closed inflow boundary and redistributed when the local gradient exceeds a threshold. The redistribution rule is conservative, nonlocal, and linear and is chosen to mimic fluid Row. Potential energy is dissipated by avalanches that also expel matter at the open outflow boundary. The system then evolves through an inverse cascade. A ''fluidization'' parameter L-f specifies the length scale over which the algorithm operates. The limiting case of L-f=1 cell and L-f=N, the system size, are analytically soluble. For other values of L-f the emergent, large-scale dynamics of the system shows a variety of behavior including a limit cycle that has a period-doubling sequence, intermittency, and a random walk.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW E
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	1063-651X
Date:	August 2000
Volume:	62
Number:	2 Part A
Number of Pages:	7
Page Range:	pp. 1905-1911
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/13063

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