C
Christophe Poulard
Researcher at Université Paris-Saclay
Publications - 60
Citations - 1683
Christophe Poulard is an academic researcher from Université Paris-Saclay. The author has contributed to research in topics: Wetting & Drop (liquid). The author has an hindex of 22, co-authored 57 publications receiving 1469 citations. Previous affiliations of Christophe Poulard include Laajasalon Palloseura & Collège de France.
Papers
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Multiple-length-scale elastic instability mimics parametric resonance of nonlinear oscillators
TL;DR: In this article, the wrinkling of a rigid membrane attached to a soft substrate is described within a framework similar to that used for the parametric resonance of nonlinear oscillators.
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Elasticity and wrinkled morphology of Bacillus subtilis pellicles
Miguel Trejo,Carine Douarche,Virginie Bailleux,Christophe Poulard,Sandrine Mariot,Christophe Regeard,Eric Raspaud +6 more
TL;DR: The formation of macroscopic structures observed during the maturation of Bacillus subtilis pellicles in relation to their mechanical response is studied and it is shown how the mechanical buckling instability can explain their formation.
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Freely Receding Evaporating Droplets
TL;DR: In this article, the evaporation rate of pure, completely wetting liquids is investigated experimentally and theoretically in the situation where no pinning of the contact line is occurring, and it is shown that the observed dynamics is controlled by the volatility of the liquid, as expected, but also by the properties of the wetting film left on the substrate.
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Control of spreading and drying of a polymer solution from Marangoni flows
Christophe Poulard,Pascal Damman +1 more
TL;DR: In this article, the authors studied the drying process of polymer solution drops put on a wettable substrate and showed that the morphology is not determined by the evaporation process, the "coffee stain" effect, but essentially by the capillary instabilities.
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Rescaling the dynamics of evaporating drops
TL;DR: In this paper, the dynamics of evaporation of wetting droplets is investigated experimentally in an extended range of drop sizes to provide trends relevant for a theoretical analysis, which represents a first step toward the solution of a very old, complex problem.