Dynamics of phase turbulence

Hiroshi Shibata

Physica A: Statistical Mechanics and its Applications, 2002, vol. 310, issue 1, 78-84

Abstract: The state vector is defined for the phase turbulence described by the Kuramoto–Sivashinsky equation. Then the two-time correlation function (TTCF) for the state vector is calculated numerically. In the case when the damping constant is zero, the TTCF decays like Lorentzian. The TTCF changes its shape as we increase the value of the damping constant from zero. In addition, the local expansion rate is calculated and it is shown that the local expansion rate fluctuates around at zero.

Keywords: Kuramoto–Sivashinsky equation; Local expansion rate; Phase turbulence; Two time correlation function; Finite difference method (search for similar items in EconPapers)
Date: 2002
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:310:y:2002:i:1:p:78-84

DOI: 10.1016/S0378-4371(02)00781-1

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