117 citations · 740 across the 29 of their papers we have counts for
29 papers
A hybrid discrete exterior calculus and finite difference method for Boussinesq convection in spherical shells
Bhargav Mantravadi, Pankaj Jagad, Ravi Samtaney
We present a new hybrid discrete exterior calculus (DEC) and finite difference (FD) method to simulate fully three-dimensional Boussinesq convection in spherical shells subject to…
Similarities between characteristics of convective turbulence in confined and extended domains
Ambrish Pandey, Dmitry Krasnov, Jörg Schumacher +2
To understand turbulent convection at very high Rayleigh numbers typical of natural phenomena, computational studies in slender cells are an option if the needed resources have to…
Detection of magnetohydrodynamic waves by using machine learning
Fang Chen, Ravi Samtaney
Nonlinear wave interactions, such as shock refraction at an inclined density interface, in magnetohydrodynamic (MHD) lead to a plethora of wave patterns with myriad wave types. Ide…
Large-eddy simulation of Rayleigh-Bénard convection at extreme Rayleigh numbers
Roshan Samuel, Ravi Samtaney, Mahendra K. Verma
We adopt the stretched spiral vortex sub-grid model for large-eddy simulation (LES) of turbulent convection at extreme Rayleigh numbers. We simulate Rayleigh-Bénard convection (RBC…
Discrete exterior calculus discretization of two-phase incompressible Navier-Stokes equations with a conservative phase field method
Minmiao Wang, Pankaj Jagad, Anil N. Hirani +1
We present a discrete exterior calculus (DEC) based discretization scheme for incompressible two-phase flows. Our physically-compatible exterior calculus discretization of single p…
Magnetohydrodynamic shock refraction at an inclined density interface
Fang Chen, Vincent Wheatley, Ravi Samtaney
Shock wave refraction at a sharp density interface is a classical problem in hydrodynamics. Presently, we investigate the strongly planar refraction of a magnetohydrodynamic (MHD)…