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Transition route to elastic and elasto-inertial turbulence in polymer channel flows

Autor: Beneitez, Miguel, Page, Jacob, Dubief, Yves, Kerswell, Rich R.

Viscoelastic shear flows support additional chaotic states beyond simple Newtonian turbulence. In vanishing Reynolds number flows, the nonlinearity in the polymer evolution equation alone can sustain inertialess 'elastic' turbulence (ET) while 'elast

Externí odkaz: http://arxiv.org/abs/2408.11508

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Multistability of elasto-inertial two-dimensional channel flow

Autor: Beneitez, Miguel, Page, Jacob, Dubief, Yves, Kerswell, Rich R.

Elasto-inertial turbulence (EIT) is a recently discovered two-dimensional chaotic flow state observed in dilute polymer solutions. It has been hypothesised that the dynamical origins of EIT are linked to a center-mode instability, whose nonlinear evo

Externí odkaz: http://arxiv.org/abs/2308.11554

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Computational Reproducibility in Metabolite Quantification Applied to Short Echo Time in Vivo MR Spectroscopy

Autor: Vila, Gaël, Bonnet, Axel, Chauveau, Fabien, Gaillard, Sophie, Durand-Dubief, Françoise, Camarasu-Pop, Sorina, Ratiney, Helene

Publikováno v: IEEE International Symposium on Biomedical Imaging, Apr 2023, Cartagena de Indias, France

In vivo metabolite quantification by short echo time MR spectroscopy is a challenge for which various methods have been proposed. In this study, the reproducibility of quantification outcomes is questioned at three distinct levels: (i) between-softwa

Externí odkaz: http://arxiv.org/abs/2303.05147

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