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Slow-growth approximation for near-wall patch representation of wall-bounded turbulence
Sean P. Carney, Robert D. Moser
Wall-bounded turbulent shear flows are known to exhibit universal small-scale dynamics that are modulated by large-scale flow structures. Strong pressure gradients complicate this…
A pseudospectral method for direct numerical simulation of low-Mach, variable-density, turbulent flows
Bryan W. Reuter, Todd A. Oliver, Robert D. Moser
A novel algorithm for the direct numerical simulation of the variable-density, low-Mach Navier-Stokes equations extending the method of Kim, Moin, and Moser (1987) for incompressib…
Numerical dispersion effects on the energy cascade in large-eddy simulation
Gopal R. Yalla, Todd A. Oliver, Robert D. Moser
Implicitly filtered large-eddy simulation (LES) is by nature numerically under-resolved. With the sole exception of Fourier-spectral methods, discrete numerical derivative operator…
Active model split hybrid RANS/LES
Sigfried W. Haering, Todd A. Oliver, Robert D. Moser
Reliably predictive simulation of complex flows requires a level of model sophistication and robustness exceeding the capabilities of current Reynolds-averaged Navier-Stokes (RANS)…
Effects of resolution inhomogeneity in large-eddy simulation
Gopal R. Yalla, Todd A. Oliver, Sigfried W. Haering +2
Large Eddy Simulation (LES) of turbulence in complex geometries is often conducted using strongly inhomogeneous resolution. The issues associated with resolution inhomogeneity are…
Near wall patch representation of wall bounded turbulence
Sean P. Carney, Björn Engquist, Robert D. Moser
Recent experimental and computational studies indicate that near wall turbulent flows can be characterized by universal small scale autonomous dynamics that are modulated by large…