Hunting down giant cells in deep stellar convective zones
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by
Nicolas Bessolaz,
Allan Sacha Brun
2010 Issue S271, p365-366
Abstract
<jats:title>Abstract</jats:title>3D high resolution simulations for the convective zone of a 4Myr old 0.7 <jats:italic>M</jats:italic><jats:sub>⊙</jats:sub> pre-main sequence star in gravitational contraction are carried out with different radial density contrast using the pseudo spectral ASH code (Brun <jats:italic>et al</jats:italic>. 2004). We extract giant cells signal from the complex surface convective patterns by using a wavelet analysis. We then characterize them by estimating their lifetime and rotation rate according to the density contrast.
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