“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

Morris, A., et al., “Modeling the Interaction Between a Rocket Plume, Scoured Regolith, and a Plume Deflection Fence”, in Proc. of 13th Earth and Space ASCE Conf. Pasadena, CA, (2012).

Moore, C.,Walker, A., Goldstein, D., Varghese, P., Trafton, L., Parsons, N., Levin, D., “DSMC simulation of plasma bombardment on Io’s sublimated and sputtered atmosphere”, AIAA paper 2012-0560 presented at the AIAA ASM, Nashville, Jan. 2012.

Chu, J. and Goldstein, D., “Investigation of turbulent wedge spreading mechanism with comparison to turbulent spots”, AIAA paper 2012-0751 presented at the AIAA ASM, Nashville, Jan. 2012.