Abstract:
The statistics of the solution to the inviscid Burgers equation are investigated when the initial velocity potential is fractional Brownian motion. Using the theory of large deviations for Gaussian processes, we characterize the tails of the probability distribution functions (PDFs) of the velocity, the distance between shocks, and the shock strength. These PDFs are shown to decay like “stretched” exponentials of the form . Our method of proof can also be used to extend these results to a much larger class of Gaussian potentials. This work generalizes the results of Avellaneda and E [2, 3] on the inviscid Burgers equation with white-noise initial data.
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Received: 27 January 1997 / Accepted: 30 April 1997
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Ryan, R. The Statistics of Burgers Turbulence Initialized with Fractional Brownian Noise Data . Comm Math Phys 191, 71–86 (1998). https://doi.org/10.1007/s002200050262
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DOI: https://doi.org/10.1007/s002200050262