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physics.flu-dyn2021
Toward a flow-structure-based wall-modeled large-eddy simulation paradigm
Ahmed Elnahhas, Adrián Lozano-Durán, Parviz Moin
A promising and cost-effective method for numerical simulation of high Re wall-bounded flows is wall-modeled large-eddy simulation. Most wall models are formulated from the Reynold…
physics.flu-dyn2020★ 1 cited
On the evolution of the velocity gradient tensor in transitional boundary layers
Ahmed Elnahhas, Perry L. Johnson, Adrián Lozano-Durán +1
We study the transition to turbulence from the perspective of the velocity gradient tensor dynamics. Our work is motivated by the observation of nonlinear structures emerging durin…