Results 1 to 10 of about 204 (124)

Beyond direct simulation Monte Carlo (DSMC) modelling of collision environments [PDF]

open access: yesMolecular Physics, 2019
Direct simulation Monte Carlo (DSMC) models have been successfully adopted and adapted to describe gas flows in a wide range of environments since the method was first introduced by Bird in the 196...
Brianna Heazlewood
exaly   +3 more sources

Bernoulli Trial (BT) Collision Operator Scheme Family in the Direct Simulation Monte-Carlo (DSMC): Derivation and Evaluation

open access: yesCybernetics and Information Technologies
The Direct Simulation Monte-Carlo (DSMC) method is based on splitting the rarefied gas process evolution into two ballistic and collision steps within a time step.
Padilla Francis   +2 more
doaj   +2 more sources

Simulation of Aerodynamic Properties of Rarefied Gas Flow on Satellite Panel by DSMC Method [PDF]

open access: yesفناوری در مهندسی هوافضا, 2022
In this research, the method of simulating the rarefied gas flow on a flat plate and calculating aerodynamic properties have been investigated using direct simulation Monte Carlo or DSMC-Open Foam Software.
SAIED ESKANDARI   +2 more
doaj   +1 more source

On an Efficient Solution of the Boltzmann Equation Using the Modified Time Relaxed Monte Carlo (MTRMC) Scheme [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
The study proposes a new method called MTRMC to simulate flow in rarefied regimes, which are important in various industrial and engineering applications.
M. Eskandari, S. S. Nourazar
doaj   +1 more source

Effect of formation of argon clusters on a supersonic outflow into a rarefied medium [PDF]

open access: yesE3S Web of Conferences, 2023
A model of the argon condensation process has been developed for the direct simulation Monte Carlo (DSMC) method. The model includes the following processes: formation of dimers, merging of clusters, sticking of monomers to clusters, evaporation of ...
Zaitsev Alexander   +2 more
doaj   +1 more source

Investigation of feed flow effect using CFD-DSMC method in a gas centrifuge [PDF]

open access: yesJournal of Nuclear Research and Applications, 2022
In this study, the effect of rarefied region in the rotor of the centrifuge was investigated. In a rotor of the centrifuge, the feed inlet is positioned in the rarefied area.
V. Ghazanfari   +2 more
doaj   +1 more source

A Review of Research on the Vacuum Plume

open access: yesAerospace, 2022
Chemical and electrical thrusters are generally utilized to control the attitude and orbit of spacecraft in aerospace. When they are firing, the exhaust expands into the vacuum environment, known as the vacuum plume.
Guobiao Cai   +5 more
doaj   +1 more source

An efficient algorithm of the unified stochastic particle Bhatnagar-Gross-Krook method for the simulation of multi-scale gas flows

open access: yesAdvances in Aerodynamics, 2021
The unified stochastic particle method based on the Bhatnagar-Gross-Krook model (USP-BGK) has been proposed recently to overcome the low accuracy and efficiency of the traditional stochastic particle methods, such as the direct simulation Monte Carlo ...
Fei Fei, Yang Ma, Jie Wu, Jun Zhang
doaj   +1 more source

Dimensional Direct Simulation Monte Carlo Simulation of Thruster Plumes [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2022
The interaction of thruster plumes with satellite components can have undesirable effects, such as disturbance force/torque, thermal loading, and species deposition in the surfaces.
Hamed Alisadeghi   +2 more
doaj   +1 more source

Numerical simulation of 3-D flow around sounding rocket in the lower thermosphere [PDF]

open access: yesAnnales Geophysicae, 2006
Numerical simulations using the Direct Simulation Monte Carlo (DSMC) method are known to be useful for analyses of aerodynamic effects on in-situ rocket measurements in the lower thermosphere, but the DSMC analysis of a spin modulation caused by an ...
J. Kurihara   +3 more
doaj   +1 more source

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