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J.Stat.Mech.(2006)P12002 ournal of Statistical Mechanics

Summary: J.Stat.Mech.(2006)P12002
ournal of Statistical Mechanics:
An IOP and SISSA journalJ Theory and Experiment
Local wave director analysis of domain
chaos in Rayleigh­B´enard convection
Nathan Becker and Guenter Ahlers
Department of Physics and iQCD, University of California, Santa Barbara,
CA 93106, USA
E-mail: nbecker@physics.ucsb.edu and guenter@physics.ucsb.edu
Received 4 August 2006
Accepted 10 November 2006
Published 4 December 2006
Online at stacks.iop.org/JSTAT/2006/P12002
Abstract. We present new results both from numerical simulations using the
Swift­Hohenberg model and from experiment for domain chaos near the onset
of rotating Rayleigh­B´enard convection. Using both global Fourier analysis
and local wave director (LWD) analysis, the domain chaos patterns were
characterized. Several image analysis techniques are discussed and were applied
to the director field obtained from LWD analysis. They yielded statistical


Source: Ahlers, Guenter - Department of Physics, University of California at Santa Barbara


Collections: Physics