Abstract Reynolds-Averaged Navier-Stokes (RANS) are such model equations and are used
to simulate numerous fluid flow problem. This article focuses on the most well-known of …

This paper focusses on three main numerical methods, ie, the Reynolds-Averaged Navier-
Stokes (RANS), Large Eddy Simulation (LES), and Direct Numerical Simulation (DNS) …

Recently, a new family of subgrid-scale (SGS) models, termed as gradient-based models,
has been introduced to calculate the SGS stresses in large eddy simulation (LES). In the …

Turbulent boundary layers are populated by a hierarchy of recurrent structures normally
referred to as “coherent structures.” Among others, ejection and sweep events are critical …

Large eddy simulations of high-magnetic Reynolds number (Re m) inhomogeneous
magnetohydrodynamic (MHD) flows are performed. Dynamic Smagorinsky sub-grid scale …

Computational resources have grown exponentially in the past few decades. These
machines make possible research and design in fields as diverse as medicine, astronomy …

In the context of high fidelity simulation of compressible flows (LES and DNS) at extreme
scale (small time steps) on massively parallel supercomputers, explicit time integration …

A direct numerical simulation (DNS) study was performed on turbulent flow in the involute
channel geometry to develop a numerical database and determine the differences …

With the shenfun Python module (github. com/spectralDNS/shenfun) an effort is made
towards automating the implementation of the spectral Galerkin method for simple tensor …

The work reveals an interesting and contra-intuitive observation in numerically simulating
the solid-liquid flow field through a straight rotating channel. A previous study (Gupta and …