Publications by Date

“Effects of Rarefaction on Hypersonic Boundary Layer Flow Over Discrete Surface Roughness (Invited)”, K. Stephani, D. Goldstein, P. Varghese, AIAA-2010-456

“Hypersonic flows with discrete surface roughness and their stability properties”, G. Groskopf, M. J. Kloker, K. A. Stephani , O. Marxen and G. Iaccarino, Proceedings of the 2010 CTR Summer Program, Center for Turbulence Research, Stanford University, Stanford, CA.

“Development of a Hybrid DSMC/Navier-Stokes Solver with Application to the STS-119 Boundary Layer Transition Flight Experiments”, K. Stephani, D. Goldstein, P. Varghese, AIAA-2011-534

“Parametric Study of Hypersonic Boundary Layer Flow over Discrete Surface Roughness Using a Hybrid DSMC/Navier-Stokes Solver”, K. Stephani, D. Goldstein, P. Varghese, AIAA-2011-3250

“Temperature / rarefaction effects in hypersonic boundary-layer flow with an oblique roughness element”, G. Groskopf, M. Kloker, K. Stephani, AIAA-2011-3251

“Generation of a Hybrid DSMC/CFD Solution for Gas Mixtures with Internal Degrees of Freedom”, K. Stephani, D. Goldstein, P. Varghese, AIAA-2012-648

A Non-equilibrium Surface Reservoir Approach for Hybrid DSMC/Navier-Stokes Particle Generation”, K. Stephani, D. Goldstein, P. Varghese, Journal of Computational Physics (August 2012)  DOI: 10.1016/

“Consistent treatment of transport properties for five-species air direct simulation Monte Carlo/Navier-Stokes applications” K. Stephani, D. Goldstein, P. Varghese, Phys. Fluids 24, 077101 (July 2012)    DOI: 10.1063/1.4729610

Walker, A.C., Moore, C.H., Goldstein, D.B., Varghese, P.L., Trafton, L.M., 2012. A parametric study of Io’s thermophysical surface properties and subsequent numerical atmospheric simulations based on the best fit parameters. 220(1), 225-253