11 citations · 23 across the 4 of their papers we have counts for
7 papers
Direct numerical simulations of turbulent drag reduction via piezoelectric actuation
Amir Amjadimanesh, Aman Kidanemariam, David Chappell +2
We have conducted Direct Numerical Simulations of turbulent half-channel flow over realistic surface deformations at friction Reynolds number . We generated the surface d…
Results from Particle-Resolved Simulations
Agathe Chouippe, Aman G. Kidanemariam, Jos Derksen +2
We review some of the results obtained to date with the aid of the PR-DNS approach to turbulent particulate flows. It is shown that the method has matured to a point which allows t…
Pressure drag reduction via imposition of spanwise wall oscillations on a rough wall
Rahul Deshpande, Aman G. Kidanemariam, Ivan Marusic
The present study tests the efficacy of the well-known viscous drag reduction strategy of imposing spanwise wall oscillations to reduce pressure drag contributions in a transitiona…
On the role of turbulent large-scale streaks in generating sediment ridges
Markus Scherer, Markus Uhlmann, Aman G. Kidanemariam +1
The role of turbulent large-scale streaks in forming subaqueous sediment ridges on an initially flat sediment bed is investigated with the aid of particle-resolved direct numerical…
On the scaling of the instability of a flat sediment bed with respect to ripple-like patterns
Markus Scherer, Aman G. Kidanemariam, Markus Uhlmann
We investigate the formation of subaqueous transverse bedforms in turbulent open channel flow by means of direct numerical simulations with fully-resolved particles. The main goal…
Direct numerical simulations of ripples in an oscillatory flow
Marco Mazzuoli, Aman G. Kidanemariam, Markus Uhlmann
Sea ripples are small-scale bedforms which originate from the interaction of an oscillatory flow with an erodible sand bed. The phenomenon of sea ripple formation is investigated b…