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Interface-resolved DNS of vertical particulate channel flow in the turbulent regime
Markus Uhlmann
We have conducted a direct numerical simulation (DNS) study of dilute turbulent particulate flow in a vertical plane channel, considering thousands of finite-size rigid particles w…
Force and torque acting on particles in a transitionally rough open channel flow
Clemens Chan-Braun, Manuel García-Villalba, Markus Uhlmann
Direct numerical simulation of open channel flow over a geometrically rough wall has been performed at a bulk Reynolds number of approximately 2900. The wall consisted of a layer o…
The Significance of Simple Invariant Solutions in Turbulent Flows
Genta Kawahara, Markus Uhlmann, Lennaert van Veen
Recent remarkable progress in computing power and numerical analysis is enabling us to fill a gap in the dynamical systems approach to turbulence. One of the significant advances i…