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Pulsating waves in nonlinear magnetoconvection

By P.C. Matthews, M.R.E. Proctor, A.M. Rucklidge and N.O. Weiss

Abstract

Numerical experiments on compressible magnetoconvection reveal a new type of periodic oscillation, associated with alternating streaming motion. Analogous behaviour in a Boussinesq fluid is constrained by extra symmetry. A low-order model confirms that these pulsating waves appear via a pitchfork-Hopf-gluing bifurcation sequence from the steady state

Year: 1993
OAI identifier: oai:eprints.whiterose.ac.uk:978

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