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physics.flu-dyn2026
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…
physics.flu-dyn2026
Leveraging unstructured grids for direct numerical simulations of wall turbulence
Amirreza Rouhi, Vishal Kumar, Wen Wu +2
Towards computational cost saving for direct numerical simulations (DNSs) of wall turbulence, we formulate an unstructured grid-generation framework, termed -grid, where the wal…