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Alain Pocheau
Researcher at Aix-Marseille University
Publications - 63
Citations - 1315
Alain Pocheau is an academic researcher from Aix-Marseille University. The author has contributed to research in topics: Directional solidification & Curvature. The author has an hindex of 21, co-authored 63 publications receiving 1229 citations. Previous affiliations of Alain Pocheau include University of Provence & Centre national de la recherche scientifique.
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Growth directions of microstructures in directional solidification of crystalline materials.
TL;DR: This work experimentally document the growth directions of microstructures in a succinonitrile alloy in the whole accessible range of directions, velocities, and spacings and shows evidence of an internal symmetry which traces back to a scale invariance of growth directions with respect to a Péclet number.
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Turbulence in a cylindrical container of argon near threshold of convection.
TL;DR: It is shown that the transition from a stationary to a time-dependent pattern involves spontaneous nucleation of dislocations, and this phenomenon is analyzed in relation to the skewed varicose instability.
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Square versus roll pattern at convective threshold.
TL;DR: La transition d'une structure a l'autre met en jeu une bifurcation de Hopf inattendue.
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Secondary buckling patterns of a thin plate under in-plane compression
TL;DR: In this article, the authors studied the nonlinear deformations of a long rectangular elastic plate clamped along its edges and submitted to in-plane biaxial compression and predicted various secondary buckling modes according to the applied longitudinal and transverse compressions.