Direct simulation Monte Carlo on petaflop supercomputers and beyond

SJ Plimpton, SG Moore, A Borner, AK Stagg… - Physics of …, 2019 - pubs.aip.org
The gold-standard definition of the Direct Simulation Monte Carlo (DSMC) method is given
in the 1994 book by Bird [Molecular Gas Dynamics and the Direct Simulation of Gas Flows …

AIP conference proceedings

NN Fedorova, MA Goldfeld, SA Valger - AIP Conference Proceedings, 2020 - elibrary.ru
In the paper, the results of numerical modeling are presented of the 3D turbulent flows in a
channel with backward-facing step, and argon jets injected into the supersonic crossflow …

Comparing physical drag coefficients computed using different gas–surface interaction models

PM Mehta, A Walker, CA McLaughlin… - Journal of Spacecraft and …, 2014 - arc.aiaa.org
Drag coefficient is a major source of uncertainty in calculating the aerodynamic forces on
satellites in low Earth orbit. Closed-form solutions are available for simple geometries under …

Collisional radiative modeling of electronically excited states in a hypersonic flow

IT Karpuzcu, MP Jouffray, DA Levin - Journal of Thermophysics and …, 2022 - arc.aiaa.org
The hypersonic, nonequilibrium thermochemistry flow over a cylinder was modeled to study
nitric oxide (NO) ultraviolet (UV) emissions. The main focus of this work is to model the …

HCN production via impact ejecta reentry during the late heavy bombardment

D Parkos, A Pikus, A Alexeenko… - Journal of Geophysical …, 2018 - Wiley Online Library
Major impact events have shaped the Earth as we know it. The Late Heavy Bombardment is
of particular interest because it immediately precedes the first evidence of life. The reentry of …

[HTML][HTML] Comparison of the Shakhov kinetic equation and DSMC method as applied to space vehicle aerothermodynamics

VA Titarev, AA Frolova, VA Rykov… - … of Computational and …, 2020 - Elsevier
The paper is devoted to the comparative study of Shakhov model kinetic equation and Direct
Simulation Monte Carlo (DSMC) solutions as applied to high-speed flow of a monatomic gas …

Detailed analysis of recent drag models using multiple cases of mono-disperse fluidized beds with Geldart-B and Geldart-D particles

R Stanly, G Shoev - Chemical Engineering Science, 2018 - Elsevier
In gas-solid flows, the drag force experienced by solid particles plays a significant role in
determining the fluid dynamics of the system. Although several drag models have been …

Computational analysis of fluid dynamics in pharmaceutical freeze‐drying

AA Alexeenko, A Ganguly… - Journal of pharmaceutical …, 2009 - Wiley Online Library
Abstract Analysis of water vapor flows encountered in pharmaceutical freeze‐drying
systems, laboratory‐scale and industrial, is presented based on the computational fluid …

3-D simulation of ion thruster plumes using octree adaptive mesh refinement

B Korkut, Z Li, DA Levin - IEEE Transactions on Plasma …, 2015 - ieeexplore.ieee.org
The physics of neutral and ion species in plume expansions to vacuum is challenging due to
the wide variation in length and time scales. To address the multiscale nature of these flows …

Robust cut-cell algorithms for DSMC implementations employing multi-level Cartesian grids

C Zhang, TE Schwartzentruber - Computers & fluids, 2012 - Elsevier
Robust cut-cell algorithms are detailed for general multi-level Cartesian grid direct
simulation Monte Carlo (DSMC) implementations. Different approaches for each component …