3 papers
physics.flu-dyn2026
Drag penalty during relaminarization and Kelvin-Helmholtz-promoted retransition in an accelerating turbulent boundary layer over initially drag-reducing riblets
Benjamin Savino, Wen Wu
Direct numerical simulations of an accelerating turbulent boundary layer (TBL) over a smooth wall and a wall fully covered with streamwise-aligned riblets are performed to investig…
physics.flu-dyn2026
Improving boundary-layer separation prediction by an IDDES turbulence model using a pressure-gradient sensor
Benjamin S. Savino, Kevin Patrick Griffin, Bumseok Lee +3
This work extends a pressure-gradient sensor for boundary-layer separation originally developed for the shear-stress transport Reynolds-averaged Navier-Stokes (RANS) model (G…
physics.flu-dyn2025
Attached Decelerating Turbulent Boundary Layers over Riblets
Benjamin S. Savino, Amirreza Rouhi, Wen Wu
Turbulent boundary layers over riblets subjected to adverse pressure gradients (APGs) are investigated by direct numerical simulation. Multiple APG strengths and riblet sizes are e…