2 papers
physics.flu-dyn2020
Characterization of velocity-gradient dynamics in incompressible turbulence using local streamline geometry
Rishita Das, Sharath S. Girimaji
This study develops a comprehensive description of local streamline geometry and uses the resulting shape features to characterize velocity gradient () dynamics. The local…
physics.flu-dyn2019
Revisiting turbulence small-scale behavior using velocity gradient triple decomposition
Rishita Das, Sharath S. Girimaji
Turbulence small-scale behavior has been commonly investigated in literature by decomposing the velocity-gradient tensor () into the symmetric strain-rate () and an…